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CVE-2026-80863 json

RDMA/rxe: Fix OOB in free_rd_atomic_resources()

published 2026-09-04 2 mo ago modified 2026-10-19 21 d ago also EUVD-2026-71313

cvss
—
not scored
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 7%
public exploits
0
none known

Summary

In the Linux kernel, the following vulnerability has been resolved:

RDMA/rxe: Fix OOB in free_rd_atomic_resources()

free_rd_atomic_resources() iterates using qp->attr.max_dest_rd_atomic. Updating max_dest_rd_atomic before freeing the old array can make the free path walk past the old allocation and trigger a slab out-of-bounds write catched by KASAN: ================================================================== BUG: KASAN: slab-out-of-bounds in free_rd_atomic_resource drivers/infiniband/sw/rxe/rxe_qp.c:180 [inline] BUG: KASAN: slab-out-of-bounds in free_rd_atomic_resources drivers/infiniband/sw/rxe/rxe_qp.c:171 [inline] BUG: KASAN: slab-out-of-bounds in free_rd_atomic_resources drivers/infiniband/sw/rxe/rxe_qp.c:163 [inline] BUG: KASAN: slab-out-of-bounds in rxe_qp_from_attr+0x1e88/0x2150 drivers/infiniband/sw/rxe/rxe_qp.c:712 Write of size 4 at addr ffff88802b8dddb8 by task syz.3.451/11063

CPU: 0 UID: 0 PID: 11063 Comm: syz.3.451 Not tainted 7.1.0 #2 PREEMPT(full) Hardware name: QEMU Ubuntu 24.04 PC v2 (i440FX + PIIX, arch_caps fix, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x10e/0x1f0 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0xf7/0x600 mm/kasan/report.c:482 kasan_report+0xe4/0x120 mm/kasan/report.c:595 free_rd_atomic_resource drivers/infiniband/sw/rxe/rxe_qp.c:180 [inline] free_rd_atomic_resources drivers/infiniband/sw/rxe/rxe_qp.c:171 [inline] free_rd_atomic_resources drivers/infiniband/sw/rxe/rxe_qp.c:163 [inline] rxe_qp_from_attr+0x1e88/0x2150 drivers/infiniband/sw/rxe/rxe_qp.c:712 rxe_modify_qp+0x1e2/0x530 drivers/infiniband/sw/rxe/rxe_verbs.c:623 ib_security_modify_qp+0x223/0xfa0 drivers/infiniband/core/security.c:625 _ib_modify_qp+0x333/0xec0 drivers/infiniband/core/verbs.c:1915 modify_qp+0x13ca/0x1940 drivers/infiniband/core/uverbs_cmd.c:1932 ib_uverbs_modify_qp+0xcb/0x120 drivers/infiniband/core/uverbs_cmd.c:1958 ib_uverbs_write+0xb86/0x1030 drivers/infiniband/core/uverbs_main.c:680 vfs_write+0x2aa/0x1070 fs/read_write.c:686 ksys_write+0x1f8/0x250 fs/read_write.c:740 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x116/0x800 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fefc75a70cd Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fefc8495018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fefc7835fa0 RCX: 00007fefc75a70cd RDX: 0000000000000078 RSI: 0000200000000240 RDI: 0000000000000007 RBP: 00007fefc764f10f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fefc7836038 R14: 00007fefc7835fa0 R15: 00007ffcf0586aa0 </TASK>

Allocated by task 11063: kasan_save_stack+0x33/0x60 mm/kasan/common.c:57 kasan_save_track+0x14/0x30 mm/kasan/common.c:78 poison_kmalloc_redzone mm/kasan/common.c:398 [inline] __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:415 kasan_kmalloc include/linux/kasan.h:263 [inline] __do_kmalloc_node mm/slub.c:5296 [inline] __kmalloc_noprof+0x32a/0x850 mm/slub.c:5308 kmalloc_noprof include/linux/slab.h:954 [inline] kzalloc_noprof include/linux/slab.h:1188 [inline] alloc_rd_atomic_resources drivers/infiniband/sw/rxe/rxe_qp.c:155 [inline] rxe_qp_from_attr+0x3f8/0x2150 drivers/infiniband/sw/rxe/rxe_qp.c:714 rxe_modify_qp+0x1e2/0x530 drivers/infiniband/sw/rxe/rxe_verbs.c:623 ib_security_modify_qp+0x223/0xfa0 drivers/infiniband/core/security.c:625 _ib_modify_qp+0x333/0xec0 drivers/infiniband/core/verbs.c:1915 modify_qp+0x13ca/0x1940 drivers/infiniband/core/uverbs_cmd.c:1932 ib_uverbs_modify_qp+0xcb/0x120 drivers/infiniband/core/uverbs_cmd.c:1958 ib_uverbs_write+0xb86/0x1030 drivers/infiniband/core/uverbs_ma ---truncated---

Patch / fix

  • Linux Linux 5.10.269, 5.15.220, 6.1.187, 6.6.156, 6.12.108, 6.18.49, 7.1.13, 7.2.3, 7.3
  • linux Debian 12 6.1.187-1
  • linux Debian 13 6.12.111-1
  • linux Debian 14 7.1.13-1
  • linux-6.12 Debian 12 6.12.111-1~deb12u1

debian advisories DEBIAN-CVE-2026-80863

  • linux Ubuntu 22.04 LTS 5.15.0-202.212
  • linux Ubuntu 26.04 LTS 7.0.0-42.42
  • linux-aws Ubuntu 22.04 LTS 5.15.0-1119.126
  • linux-aws Ubuntu 26.04 LTS 7.0.0-1016.17
  • linux-gcp Ubuntu 22.04 LTS 5.15.0-1120.130
  • linux-gcp Ubuntu 26.04 LTS 7.0.0-1016.18
  • linux-gke Ubuntu 22.04 LTS 5.15.0-1115.121
  • linux-ibm Ubuntu 22.04 LTS 5.15.0-1113.117

ubuntu advisories UBUNTU-CVE-2026-80863

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kernel RHEL 9.6 EUS 5.14.0-570.147.1.el9_6
  • rv RHEL 9.6 EUS 5.14.0-570.147.1.el9_6
  • perf RHEL 9.6 EUS 5.14.0-570.147.1.el9_6
  • rtla RHEL 9.6 EUS 5.14.0-570.147.1.el9_6
  • libperf RHEL 9.6 EUS 5.14.0-570.147.1.el9_6
  • kernel-rt RHEL 9.6 EUS 5.14.0-570.147.1.el9_6
  • kernel-64k RHEL 9.6 EUS 5.14.0-570.147.1.el9_6
  • kernel-core RHEL 9.6 EUS 5.14.0-570.147.1.el9_6

red hat advisories RHSA-2026:77219RHSA-2026:77301RHSA-2026:77218RHSA-2026:77217RHSA-2026:77216

  • kernel-64kb SLE Module for Basesystem 15 SP7 6.4.0-150700.53.84.1
  • kernel-syms SLE Module for Development Tools 15 SP7 6.4.0-150700.53.84.1
  • kernel-azure SLE Module for Public Cloud 15 SP7 6.4.0-150700.53.84.1
  • kernel-source SLE Module for Development Tools 15 SP7, SLE Module for Basesystem 15 SP7 6.4.0-150700.53.84.1
  • kernel-default SLE Workstation Extension 15 SP7, SLE Module for Legacy 15 SP7, SLE Module for Basesystem 15 SP7 +2 more 6.4.0-150700.53.84.1
  • kernel-zfcpdump SLE Module for Basesystem 15 SP7 6.4.0-150700.53.84.1
  • kernel-obs-build SLE Module for Development Tools 15 SP7 6.4.0-150700.53.84.1
  • kernel-default-base SLE Module for Basesystem 15 SP7 6.4.0-150700.53.84.1.150700.17.47.1

suse advisories SUSE-SU-2026:4706-1SUSE-SU-2026:4687-1SUSE-SU-2026:4640-1SUSE-SU-2026:24316-1SUSE-SU-2026:24315-1SUSE-SU-2026:24181-1

  • kernel-rt openSUSE Leap 16.0 6.12.0-160000.39.1
  • dtb-aarch64 openSUSE Leap 16.0 6.12.0-160000.39.1
  • kernel-64kb openSUSE Leap 16.0 6.12.0-160000.39.1
  • kernel-syms openSUSE Leap 16.0 6.12.0-160000.39.1
  • kernel-azure openSUSE Leap 16.0 6.12.0-160000.39.1
  • kernel-obs-qa openSUSE Leap 16.0 6.12.0-160000.39.1
  • kernel-source openSUSE Leap 16.0 6.12.0-160000.39.1
  • kernel-default openSUSE Leap 16.0 6.12.0-160000.39.1

opensuse advisories openSUSE-SU-2026:22091-1openSUSE-SU-2026:11773-1

  • kernel-rt AlmaLinux 8 4.18.0-553.184.1.rt7.525.el8_10
  • kernel-rt-core AlmaLinux 8 4.18.0-553.184.1.rt7.525.el8_10
  • kernel-rt-modules AlmaLinux 8 4.18.0-553.184.1.rt7.525.el8_10
  • kernel-rt-debug-core AlmaLinux 8 4.18.0-553.184.1.rt7.525.el8_10
  • kernel-rt-debug-modules AlmaLinux 8 4.18.0-553.184.1.rt7.525.el8_10
  • kernel-rt-modules-extra AlmaLinux 8 4.18.0-553.184.1.rt7.525.el8_10
  • kernel-rt-debug-modules-extra AlmaLinux 8 4.18.0-553.184.1.rt7.525.el8_10
  • kernel AlmaLinux 8 4.18.0-553.184.1.el8_10

almalinux advisories ALSA-2026:95100ALSA-2026:95212

  • kernel-rt Rocky Linux 8 4.18.0-553.184.1.rt7.525.el8_10
  • kernel Rocky Linux 8 4.18.0-553.184.1.el8_10

rocky linux advisories RLSA-2026:95100RLSA-2026:95212

  • kernel Azure Linux 3.0 6.6.157.1-1

azure linux advisories AZL-99618

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-80863 updated cvss 7.3

kernel: RDMA/rxe: Fix OOB in free_rd_atomic_resources()

  • Red Hat Enterprise Linux 7 kernel-rt, kernel-rt-kvm, kernel-rt-trace, kernel-rt-debug-kvm, kernel-rt-trace-kvm Red Hat Enterprise Linux 9 rv, perf, rtla, kernel, bpftool, libperf, +83 more Red Hat OpenShift Container Platform 5 openshift/ose-rhel-coreos-9
    affected: workaround, no fix available “To mitigate this issue, prevent module rdma_rxe from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.”
  • Red Hat CodeReady Linux Builder EUS (v.9.6) libperf 5.14.0-570.147.1.el9_6, kernel-debuginfo-common-s390x 5.14.0-570.147.1.el9_6, kernel-debuginfo-common-x86_64 5.14.0-570.147.1.el9_6, kernel-debuginfo-common-aarch64 5.14.0-570.147.1.el9_6, kernel-debuginfo-common-ppc64le 5.14.0-570.147.1.el9_6
    fixed: vendor fix “To mitigate this issue, prevent module rdma_rxe from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2026:77219
  • Red Hat Enterprise Linux AppStream E4S (v.9.4) rv 5.14.0-427.154.1.el9_4, perf 5.14.0-427.154.1.el9_4, rtla 5.14.0-427.154.1.el9_4, kernel-devel-matched 5.14.0-427.154.1.el9_4, kernel-64k-devel-matched 5.14.0-427.154.1.el9_4, kernel-debug-devel-matched 5.14.0-427.154.1.el9_4, +6 more
    fixed: vendor fix “To mitigate this issue, prevent module rdma_rxe from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2026:77218
  • Red Hat Enterprise Linux AppStream EUS (v.9.6) rv 5.14.0-570.147.1.el9_6, perf 5.14.0-570.147.1.el9_6, rtla 5.14.0-570.147.1.el9_6, python3-perf 5.14.0-570.147.1.el9_6, kernel-devel-matched 5.14.0-570.147.1.el9_6, kernel-64k-devel-matched 5.14.0-570.147.1.el9_6, +7 more
    fixed: vendor fix “To mitigate this issue, prevent module rdma_rxe from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2026:77219
  • Red Hat Enterprise Linux BaseOS (v. 8) perf 4.18.0-553.184.1.el8_10, kernel 4.18.0-553.184.1.el8_10, bpftool 4.18.0-553.184.1.el8_10, kernel-core 4.18.0-553.184.1.el8_10, kernel-tools 4.18.0-553.184.1.el8_10, python3-perf 4.18.0-553.184.1.el8_10, +15 more
    fixed: vendor fix “To mitigate this issue, prevent module rdma_rxe from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2026:95212
  • Red Hat Enterprise Linux BaseOS AUS (v.8.4) perf 4.18.0-305.211.1.el8_4, kernel 4.18.0-305.211.1.el8_4, bpftool 4.18.0-305.211.1.el8_4, kernel-core 4.18.0-305.211.1.el8_4, kernel-tools 4.18.0-305.211.1.el8_4, python3-perf 4.18.0-305.211.1.el8_4, +8 more
    fixed: vendor fix “To mitigate this issue, prevent module rdma_rxe from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2026:77217
  • Red Hat Enterprise Linux BaseOS AUS (v.8.6) perf 4.18.0-372.220.1.el8_6, kernel 4.18.0-372.220.1.el8_6, bpftool 4.18.0-372.220.1.el8_6, kernel-core 4.18.0-372.220.1.el8_6, kernel-tools 4.18.0-372.220.1.el8_6, python3-perf 4.18.0-372.220.1.el8_6, +8 more
    fixed: vendor fix “To mitigate this issue, prevent module rdma_rxe from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2026:77216
  • Red Hat Enterprise Linux BaseOS E4S (v.8.8) perf 4.18.0-477.172.1.el8_8, kernel 4.18.0-477.172.1.el8_8, bpftool 4.18.0-477.172.1.el8_8, kernel-core 4.18.0-477.172.1.el8_8, kernel-tools 4.18.0-477.172.1.el8_8, python3-perf 4.18.0-477.172.1.el8_8, +9 more
    fixed: vendor fix “To mitigate this issue, prevent module rdma_rxe from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2026:77301
show 19 more
  • Red Hat Enterprise Linux BaseOS E4S (v.9.4) bpftool 7.3.0-427.154.1.el9_4, kernel 5.14.0-427.154.1.el9_4, kernel-64k 5.14.0-427.154.1.el9_4, kernel-core 5.14.0-427.154.1.el9_4, kernel-tools 5.14.0-427.154.1.el9_4, python3-perf 5.14.0-427.154.1.el9_4, +28 more
    fixed: vendor fix “To mitigate this issue, prevent module rdma_rxe from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2026:77218
  • Red Hat Enterprise Linux BaseOS EUS (v.9.6) kernel 5.14.0-570.147.1.el9_6, kernel-64k 5.14.0-570.147.1.el9_6, kernel-core 5.14.0-570.147.1.el9_6, kernel-tools 5.14.0-570.147.1.el9_6, kernel-modules 5.14.0-570.147.1.el9_6, kernel-64k-core 5.14.0-570.147.1.el9_6, +27 more
    fixed: vendor fix “To mitigate this issue, prevent module rdma_rxe from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2026:77219
  • Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) perf 4.18.0-305.211.1.el8_4, kernel 4.18.0-305.211.1.el8_4, bpftool 4.18.0-305.211.1.el8_4, kernel-core 4.18.0-305.211.1.el8_4, kernel-tools 4.18.0-305.211.1.el8_4, python3-perf 4.18.0-305.211.1.el8_4, +15 more
    fixed: vendor fix “To mitigate this issue, prevent module rdma_rxe from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2026:77217
  • Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6) perf 4.18.0-372.220.1.el8_6, kernel 4.18.0-372.220.1.el8_6, bpftool 4.18.0-372.220.1.el8_6, kernel-core 4.18.0-372.220.1.el8_6, kernel-tools 4.18.0-372.220.1.el8_6, python3-perf 4.18.0-372.220.1.el8_6, +15 more
    fixed: vendor fix “To mitigate this issue, prevent module rdma_rxe from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2026:77216
  • Red Hat Enterprise Linux BaseOS TUS (v.8.8) perf 4.18.0-477.172.1.el8_8, kernel 4.18.0-477.172.1.el8_8, bpftool 4.18.0-477.172.1.el8_8, kernel-core 4.18.0-477.172.1.el8_8, kernel-tools 4.18.0-477.172.1.el8_8, python3-perf 4.18.0-477.172.1.el8_8, +8 more
    fixed: vendor fix “To mitigate this issue, prevent module rdma_rxe from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2026:77301
  • Red Hat Enterprise Linux CRB (v. 8) kernel-debuginfo-common-x86_64 4.18.0-553.184.1.el8_10, kernel-debuginfo-common-aarch64 4.18.0-553.184.1.el8_10, kernel-debuginfo-common-ppc64le 4.18.0-553.184.1.el8_10
    fixed: vendor fix “To mitigate this issue, prevent module rdma_rxe from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2026:95212
  • Red Hat Enterprise Linux NFV (v. 8) kernel-rt 4.18.0-553.184.1.rt7.525.el8_10, kernel-rt-kvm 4.18.0-553.184.1.rt7.525.el8_10, kernel-rt-core 4.18.0-553.184.1.rt7.525.el8_10, kernel-rt-modules 4.18.0-553.184.1.rt7.525.el8_10, kernel-rt-debug-kvm 4.18.0-553.184.1.rt7.525.el8_10, kernel-rt-debug-core 4.18.0-553.184.1.rt7.525.el8_10, +4 more
    fixed: vendor fix “To mitigate this issue, prevent module rdma_rxe from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2026:95100
  • Red Hat Enterprise Linux Real Time E4S (v.9.4) kernel-rt 5.14.0-427.154.1.el9_4, kernel-rt-core 5.14.0-427.154.1.el9_4, kernel-rt-modules 5.14.0-427.154.1.el9_4, kernel-rt-debug-core 5.14.0-427.154.1.el9_4, kernel-rt-modules-core 5.14.0-427.154.1.el9_4, kernel-rt-debug-modules 5.14.0-427.154.1.el9_4, +4 more
    fixed: vendor fix “To mitigate this issue, prevent module rdma_rxe from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2026:77218
  • Red Hat Enterprise Linux Real Time EUS (v.9.6) kernel-rt 5.14.0-570.147.1.el9_6, kernel-rt-64k 5.14.0-570.147.1.el9_6, kernel-rt-core 5.14.0-570.147.1.el9_6, kernel-rt-modules 5.14.0-570.147.1.el9_6, kernel-rt-64k-core 5.14.0-570.147.1.el9_6, kernel-rt-debug-core 5.14.0-570.147.1.el9_6, +14 more
    fixed: vendor fix “To mitigate this issue, prevent module rdma_rxe from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2026:77219
  • Red Hat Enterprise Linux Real Time for NFV E4S (v.9.4) kernel-rt 5.14.0-427.154.1.el9_4, kernel-rt-kvm 5.14.0-427.154.1.el9_4, kernel-rt-core 5.14.0-427.154.1.el9_4, kernel-rt-modules 5.14.0-427.154.1.el9_4, kernel-rt-debug-kvm 5.14.0-427.154.1.el9_4, kernel-rt-debug-core 5.14.0-427.154.1.el9_4, +6 more
    fixed: vendor fix “To mitigate this issue, prevent module rdma_rxe from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2026:77218
  • Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6) kernel-rt 5.14.0-570.147.1.el9_6, kernel-rt-kvm 5.14.0-570.147.1.el9_6, kernel-rt-core 5.14.0-570.147.1.el9_6, kernel-rt-modules 5.14.0-570.147.1.el9_6, kernel-rt-debug-kvm 5.14.0-570.147.1.el9_6, kernel-rt-debug-core 5.14.0-570.147.1.el9_6, +6 more
    fixed: vendor fix “To mitigate this issue, prevent module rdma_rxe from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2026:77219
  • Red Hat Enterprise Linux RT (v. 8) kernel-rt 4.18.0-553.184.1.rt7.525.el8_10, kernel-rt-core 4.18.0-553.184.1.rt7.525.el8_10, kernel-rt-modules 4.18.0-553.184.1.rt7.525.el8_10, kernel-rt-debug-core 4.18.0-553.184.1.rt7.525.el8_10, kernel-rt-debug-modules 4.18.0-553.184.1.rt7.525.el8_10, kernel-rt-modules-extra 4.18.0-553.184.1.rt7.525.el8_10, +2 more
    fixed: vendor fix “To mitigate this issue, prevent module rdma_rxe from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2026:95100
  • Red Hat OpenShift Container Platform 4.12 rhcos 412.86.202610250235
    fixed: vendor fix “To mitigate this issue, prevent module rdma_rxe from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2026:90272
  • Red Hat OpenShift Container Platform 4.16 rhcos 416.94.202610242150
    fixed: vendor fix “To mitigate this issue, prevent module rdma_rxe from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2026:89714
  • Red Hat OpenShift Container Platform 4.18 rhcos 418.94.202610242013
    fixed: vendor fix “To mitigate this issue, prevent module rdma_rxe from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2026:89725
  • Red Hat OpenShift Container Platform 4.19 rhcos 4.19.9.6.202610241701
    fixed: vendor fix “To mitigate this issue, prevent module rdma_rxe from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2026:89651
  • Red Hat OpenShift Container Platform 4.20 rhcos 4.20.9.6.202610242033
    fixed: vendor fix “To mitigate this issue, prevent module rdma_rxe from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2026:89333
  • Red Hat OpenShift Container Platform 4.21 rhcos 4.21.9.6.202610241345
    fixed: vendor fix “To mitigate this issue, prevent module rdma_rxe from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2026:89232
  • Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, python-perf, kernel-kdump, kernel-tools, +3 more Red Hat Enterprise Linux 10 kernel
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.18% chance of exploitation in the next 30 days, higher than 7% of all scored CVEs (FIRST EPSS, 2026-11-08).

Affected products

  • Linux Linux

Classification

Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.