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Fencer Vulns
high 7.5

CVE-2024-53122 json

mptcp: cope racing subflow creation in mptcp_rcv_space_adjust

published 2024-12-02 23 mo ago modified 2026-10-15 24 d ago also EUVD-2024-51794

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 44%
public exploits
0
none known

Summary

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

mptcp: cope racing subflow creation in mptcp_rcv_space_adjust

Additional active subflows - i.e. created by the in kernel path manager - are included into the subflow list before starting the 3whs.

A racing recvmsg() spooling data received on an already established subflow would unconditionally call tcp_cleanup_rbuf() on all the current subflows, potentially hitting a divide by zero error on the newly created ones.

Explicitly check that the subflow is in a suitable state before invoking tcp_cleanup_rbuf().

Patch / fix

  • Linux Linux 5.15.174, 6.1.119, 6.6.63, 6.11.10, 6.12
  • linux Debian 12 6.1.119-1
  • linux Debian 14, Debian 13 6.11.10-1

debian advisories DEBIAN-CVE-2024-53122

  • linux Ubuntu 22.04 LTS 5.15.0-135.146
  • linux Ubuntu 24.04 LTS 6.8.0-58.60
  • linux-aws Ubuntu 22.04 LTS 5.15.0-1080.87
  • linux-aws Ubuntu 24.04 LTS 6.8.0-1027.29
  • linux-gcp Ubuntu 22.04 LTS 5.15.0-1079.88
  • linux-gcp Ubuntu 24.04 LTS 6.8.0-1028.30
  • linux-gke Ubuntu 22.04 LTS 5.15.0-1077.83
  • linux-gke Ubuntu 24.04 LTS 6.8.0-1023.27

ubuntu advisories UBUNTU-CVE-2024-53122

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

  • kpatch-patch-4_18_0-553_30_1 RHEL 8 1-1.el8_10
  • kpatch-patch-4_18_0-553 RHEL 8 1-3.el8_10
  • kpatch-patch-4_18_0-553_16_1 RHEL 8 1-2.el8_10
  • kernel-rt RHEL 8 4.18.0-553.34.1.rt7.375.el8_10
  • kernel-rt-kvm RHEL 8 4.18.0-553.34.1.rt7.375.el8_10
  • kernel-rt-core RHEL 8 4.18.0-553.34.1.rt7.375.el8_10
  • kernel-rt-modules RHEL 8 4.18.0-553.34.1.rt7.375.el8_10
  • kernel-rt-debug-kvm RHEL 8 4.18.0-553.34.1.rt7.375.el8_10

red hat advisories RHSA-2025:0109RHSA-2025:0066RHSA-2025:0067RHSA-2025:0065RHSA-2025:0063RHSA-2025:0064

  • kernel-rt Linux Micro 6.1, Linux Micro 6.0 6.4.0-25.1
  • kernel-source-rt Linux Micro 6.1, Linux Micro 6.0 6.4.0-25.1
  • kernel-livepatch-MICRO-6-0-RT_Update_5 Linux Micro 6.1, Linux Micro 6.0 1-1.1
  • kernel-source Linux Micro 6.1, Linux Micro 6.0 6.4.0-25.1
  • kernel-default Linux Micro 6.1, Linux Micro 6.0 6.4.0-25.1
  • kernel-kvmsmall Linux Micro 6.1, Linux Micro 6.0 6.4.0-25.1
  • kernel-default-base Linux Micro 6.1, Linux Micro 6.0 6.4.0-24.1.21.4
  • kernel-livepatch-MICRO-6-0_Update_5 Linux Micro 6.1, Linux Micro 6.0 1-1.2

suse advisories SUSE-SU-2025:20166-1SUSE-SU-2025:20249-1SUSE-SU-2025:20165-1SUSE-SU-2025:20248-1SUSE-SU-2025:0201-1SUSE-SU-2025:0201-2

  • kernel AlmaLinux 9 5.14.0-503.21.1.el9_5
  • rv AlmaLinux 9 5.14.0-503.21.1.el9_5
  • perf AlmaLinux 9 5.14.0-503.21.1.el9_5
  • rtla AlmaLinux 9 5.14.0-503.21.1.el9_5
  • bpftool AlmaLinux 9 7.4.0-503.21.1.el9_5
  • libperf AlmaLinux 9 5.14.0-503.21.1.el9_5
  • kernel-rt AlmaLinux 9 5.14.0-503.21.1.el9_5
  • kernel-64k AlmaLinux 9 5.14.0-503.21.1.el9_5

almalinux advisories ALSA-2025:0059ALSA-2025:0065ALSA-2025:0066

  • kernel-rt Rocky Linux 8 4.18.0-553.34.1.rt7.375.el8_10
  • kernel Rocky Linux 8 4.18.0-553.34.1.el8_10

rocky linux advisories RLSA-2025:0066RLSA-2025:0065

  • kernel Azure Linux 3.0 6.6.64.2-1
  • kernel CBL-Mariner 2.0 5.15.176.3-1

azure linux advisories AZL-54209AZL-54255

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-2024-53122 updated cvss 5.9

kernel: mptcp: cope racing subflow creation in mptcp_rcv_space_adjust

  • Red Hat Enterprise Linux 9 kernel-rt, kernel-rt-kvm, kernel-rt-core, kernel-rt-modules, kernel-rt-debug-kvm, kernel-rt-debug-core, +12 more
    affected: workaround, no fix available
  • Red Hat CodeReady Linux Builder (v. 9) libperf 5.14.0-503.21.1.el9_5, kernel-debuginfo-common-s390x 5.14.0-503.21.1.el9_5, kernel-debuginfo-common-x86_64 5.14.0-503.21.1.el9_5, kernel-debuginfo-common-aarch64 5.14.0-503.21.1.el9_5, kernel-debuginfo-common-ppc64le 5.14.0-503.21.1.el9_5
    fixed: vendor fix RHSA-2025:0059
  • Red Hat CodeReady Linux Builder EUS (v.8.8) kernel-debuginfo-common-x86_64 4.18.0-477.86.1.el8_8, kernel-debuginfo-common-aarch64 4.18.0-477.86.1.el8_8, kernel-debuginfo-common-ppc64le 4.18.0-477.86.1.el8_8
    fixed: vendor fix RHSA-2025:0062
  • Red Hat CodeReady Linux Builder EUS (v.9.2) kernel-debuginfo-common-s390x 5.14.0-284.99.1.el9_2, kernel-debuginfo-common-x86_64 5.14.0-284.99.1.el9_2, kernel-debuginfo-common-aarch64 5.14.0-284.99.1.el9_2, kernel-debuginfo-common-ppc64le 5.14.0-284.99.1.el9_2
    fixed: vendor fix RHSA-2025:0063
  • Red Hat CodeReady Linux Builder EUS (v.9.4) libperf 5.14.0-427.50.1.el9_4, kernel-debuginfo-common-s390x 5.14.0-427.50.1.el9_4, kernel-debuginfo-common-x86_64 5.14.0-427.50.1.el9_4, kernel-debuginfo-common-aarch64 5.14.0-427.50.1.el9_4, kernel-debuginfo-common-ppc64le 5.14.0-427.50.1.el9_4
    fixed: vendor fix RHSA-2025:0057
  • Red Hat Enterprise Linux AppStream (v. 9) rv 5.14.0-503.21.1.el9_5, perf 5.14.0-503.21.1.el9_5, rtla 5.14.0-503.21.1.el9_5, kernel-devel-matched 5.14.0-503.21.1.el9_5, kernel-64k-devel-matched 5.14.0-503.21.1.el9_5, kernel-debug-devel-matched 5.14.0-503.21.1.el9_5, +6 more
    fixed: vendor fix RHSA-2025:0059
  • Red Hat Enterprise Linux AppStream E4S (v.9.0) perf 5.14.0-70.122.1.el9_0, kernel-devel-matched 5.14.0-70.122.1.el9_0, kernel-debug-devel-matched 5.14.0-70.122.1.el9_0, kernel-debuginfo-common-s390x 5.14.0-70.122.1.el9_0, kernel-zfcpdump-devel-matched 5.14.0-70.122.1.el9_0, kernel-debuginfo-common-x86_64 5.14.0-70.122.1.el9_0, +2 more
    fixed: vendor fix RHSA-2025:0058
  • Red Hat Enterprise Linux AppStream EUS (v.9.2) perf 5.14.0-284.99.1.el9_2, rtla 5.14.0-284.99.1.el9_2, kernel-devel-matched 5.14.0-284.99.1.el9_2, kernel-64k-devel-matched 5.14.0-284.99.1.el9_2, kernel-debug-devel-matched 5.14.0-284.99.1.el9_2, kernel-debuginfo-common-s390x 5.14.0-284.99.1.el9_2, +5 more
    fixed: vendor fix RHSA-2025:0063
show 27 more
  • Red Hat Enterprise Linux AppStream EUS (v.9.4) rv 5.14.0-427.50.1.el9_4, perf 5.14.0-427.50.1.el9_4, rtla 5.14.0-427.50.1.el9_4, kernel-devel-matched 5.14.0-427.50.1.el9_4, kernel-64k-devel-matched 5.14.0-427.50.1.el9_4, kernel-debug-devel-matched 5.14.0-427.50.1.el9_4, +6 more
    fixed: vendor fix RHSA-2025:0057
  • Red Hat Enterprise Linux BaseOS (v. 8) perf 4.18.0-553.34.1.el8_10, kernel 4.18.0-553.34.1.el8_10, bpftool 4.18.0-553.34.1.el8_10, kernel-core 4.18.0-553.34.1.el8_10, kpatch-patch-4_18_0-553 1-3.el8_10, kernel-tools 4.18.0-553.34.1.el8_10, +18 more
    fixed: vendor fix RHSA-2025:0065
  • Red Hat Enterprise Linux BaseOS (v. 9) bpftool 7.4.0-503.21.1.el9_5, kernel 5.14.0-503.21.1.el9_5, kernel-64k 5.14.0-503.21.1.el9_5, kernel-core 5.14.0-503.21.1.el9_5, kernel-tools 5.14.0-503.21.1.el9_5, python3-perf 5.14.0-503.21.1.el9_5, +30 more
    fixed: vendor fix RHSA-2025:0059
  • Red Hat Enterprise Linux BaseOS AUS (v.8.4) perf 4.18.0-305.148.1.el8_4, kernel 4.18.0-305.148.1.el8_4, bpftool 4.18.0-305.148.1.el8_4, kernel-core 4.18.0-305.148.1.el8_4, kernel-tools 4.18.0-305.148.1.el8_4, python3-perf 4.18.0-305.148.1.el8_4, +8 more
    fixed: vendor fix RHSA-2025:0061
  • Red Hat Enterprise Linux BaseOS AUS (v.8.6) perf 4.18.0-372.134.1.el8_6, kernel 4.18.0-372.134.1.el8_6, bpftool 4.18.0-372.134.1.el8_6, kernel-core 4.18.0-372.134.1.el8_6, kernel-tools 4.18.0-372.134.1.el8_6, python3-perf 4.18.0-372.134.1.el8_6, +8 more
    fixed: vendor fix RHSA-2025:0055
  • Red Hat Enterprise Linux BaseOS E4S (v.8.4) perf 4.18.0-305.148.1.el8_4, kernel 4.18.0-305.148.1.el8_4, bpftool 4.18.0-305.148.1.el8_4, kernel-core 4.18.0-305.148.1.el8_4, kernel-tools 4.18.0-305.148.1.el8_4, python3-perf 4.18.0-305.148.1.el8_4, +12 more
    fixed: vendor fix RHSA-2025:0061
  • Red Hat Enterprise Linux BaseOS E4S (v.8.6) perf 4.18.0-372.134.1.el8_6, kernel 4.18.0-372.134.1.el8_6, bpftool 4.18.0-372.134.1.el8_6, kernel-core 4.18.0-372.134.1.el8_6, kernel-tools 4.18.0-372.134.1.el8_6, python3-perf 4.18.0-372.134.1.el8_6, +18 more
    fixed: vendor fix RHSA-2025:0055
  • Red Hat Enterprise Linux BaseOS E4S (v.9.0) kernel 5.14.0-70.122.1.el9_0, bpftool 5.14.0-70.122.1.el9_0, kernel-core 5.14.0-70.122.1.el9_0, kernel-tools 5.14.0-70.122.1.el9_0, python3-perf 5.14.0-70.122.1.el9_0, kernel-modules 5.14.0-70.122.1.el9_0, +17 more
    fixed: vendor fix RHSA-2025:0058
  • Red Hat Enterprise Linux BaseOS EUS (v.8.8) perf 4.18.0-477.86.1.el8_8, kernel 4.18.0-477.86.1.el8_8, bpftool 4.18.0-477.86.1.el8_8, kernel-core 4.18.0-477.86.1.el8_8, kernel-tools 4.18.0-477.86.1.el8_8, python3-perf 4.18.0-477.86.1.el8_8, +18 more
    fixed: vendor fix RHSA-2025:0062
  • Red Hat Enterprise Linux BaseOS EUS (v.9.2) bpftool 7.0.0-284.99.1.el9_2, kernel 5.14.0-284.99.1.el9_2, kernel-64k 5.14.0-284.99.1.el9_2, kernel-core 5.14.0-284.99.1.el9_2, kernel-tools 5.14.0-284.99.1.el9_2, python3-perf 5.14.0-284.99.1.el9_2, +31 more
    fixed: vendor fix RHSA-2025:0063
  • Red Hat Enterprise Linux BaseOS EUS (v.9.4) bpftool 7.3.0-427.50.1.el9_4, kernel 5.14.0-427.50.1.el9_4, kernel-64k 5.14.0-427.50.1.el9_4, kernel-core 5.14.0-427.50.1.el9_4, kernel-tools 5.14.0-427.50.1.el9_4, python3-perf 5.14.0-427.50.1.el9_4, +31 more
    fixed: vendor fix RHSA-2025:0057
  • Red Hat Enterprise Linux BaseOS TUS (v.8.4) perf 4.18.0-305.148.1.el8_4, kernel 4.18.0-305.148.1.el8_4, bpftool 4.18.0-305.148.1.el8_4, kernel-core 4.18.0-305.148.1.el8_4, kernel-tools 4.18.0-305.148.1.el8_4, python3-perf 4.18.0-305.148.1.el8_4, +8 more
    fixed: vendor fix RHSA-2025:0061
  • Red Hat Enterprise Linux BaseOS TUS (v.8.6) perf 4.18.0-372.134.1.el8_6, kernel 4.18.0-372.134.1.el8_6, bpftool 4.18.0-372.134.1.el8_6, kernel-core 4.18.0-372.134.1.el8_6, kernel-tools 4.18.0-372.134.1.el8_6, python3-perf 4.18.0-372.134.1.el8_6, +8 more
    fixed: vendor fix RHSA-2025:0055
  • Red Hat Enterprise Linux CRB (v. 8) kernel-debuginfo-common-x86_64 4.18.0-553.34.1.el8_10, kernel-debuginfo-common-aarch64 4.18.0-553.34.1.el8_10, kernel-debuginfo-common-ppc64le 4.18.0-553.34.1.el8_10
    fixed: vendor fix RHSA-2025:0065
  • Red Hat Enterprise Linux NFV (v. 8) kernel-rt 4.18.0-553.34.1.rt7.375.el8_10, kernel-rt-kvm 4.18.0-553.34.1.rt7.375.el8_10, kernel-rt-core 4.18.0-553.34.1.rt7.375.el8_10, kernel-rt-modules 4.18.0-553.34.1.rt7.375.el8_10, kernel-rt-debug-kvm 4.18.0-553.34.1.rt7.375.el8_10, kernel-rt-debug-core 4.18.0-553.34.1.rt7.375.el8_10, +4 more
    fixed: vendor fix RHSA-2025:0066
  • Red Hat Enterprise Linux NFV E4S (v.9.0) kernel-rt 5.14.0-70.122.1.rt21.194.el9_0, kernel-rt-kvm 5.14.0-70.122.1.rt21.194.el9_0, kernel-rt-core 5.14.0-70.122.1.rt21.194.el9_0, kernel-rt-modules 5.14.0-70.122.1.rt21.194.el9_0, kernel-rt-debug-kvm 5.14.0-70.122.1.rt21.194.el9_0, kernel-rt-debug-core 5.14.0-70.122.1.rt21.194.el9_0, +4 more
    fixed: vendor fix RHSA-2025:0056
  • Red Hat Enterprise Linux NFV TUS (v.8.4) kernel-rt 4.18.0-305.148.1.rt7.225.el8_4, kernel-rt-kvm 4.18.0-305.148.1.rt7.225.el8_4, kernel-rt-core 4.18.0-305.148.1.rt7.225.el8_4, kernel-rt-modules 4.18.0-305.148.1.rt7.225.el8_4, kernel-rt-debug-kvm 4.18.0-305.148.1.rt7.225.el8_4, kernel-rt-debug-core 4.18.0-305.148.1.rt7.225.el8_4, +4 more
    fixed: vendor fix RHSA-2025:0060
  • Red Hat Enterprise Linux Real Time (v. 9) kernel-rt 5.14.0-503.21.1.el9_5, kernel-rt-core 5.14.0-503.21.1.el9_5, kernel-rt-modules 5.14.0-503.21.1.el9_5, kernel-rt-debug-core 5.14.0-503.21.1.el9_5, kernel-rt-modules-core 5.14.0-503.21.1.el9_5, kernel-rt-debug-modules 5.14.0-503.21.1.el9_5, +4 more
    fixed: vendor fix RHSA-2025:0059
  • Red Hat Enterprise Linux Real Time E4S (v.9.0) kernel-rt 5.14.0-70.122.1.rt21.194.el9_0, kernel-rt-core 5.14.0-70.122.1.rt21.194.el9_0, kernel-rt-modules 5.14.0-70.122.1.rt21.194.el9_0, kernel-rt-debug-core 5.14.0-70.122.1.rt21.194.el9_0, kernel-rt-debug-modules 5.14.0-70.122.1.rt21.194.el9_0, kernel-rt-modules-extra 5.14.0-70.122.1.rt21.194.el9_0, +2 more
    fixed: vendor fix RHSA-2025:0056
  • Red Hat Enterprise Linux Real Time EUS (v.9.2) kernel-rt 5.14.0-284.99.1.rt14.384.el9_2, kernel-rt-core 5.14.0-284.99.1.rt14.384.el9_2, kernel-rt-modules 5.14.0-284.99.1.rt14.384.el9_2, kernel-rt-debug-core 5.14.0-284.99.1.rt14.384.el9_2, kernel-rt-modules-core 5.14.0-284.99.1.rt14.384.el9_2, kernel-rt-debug-modules 5.14.0-284.99.1.rt14.384.el9_2, +4 more
    fixed: vendor fix RHSA-2025:0064
  • Red Hat Enterprise Linux Real Time EUS (v.9.4) kernel-rt 5.14.0-427.50.1.el9_4, kernel-rt-core 5.14.0-427.50.1.el9_4, kernel-rt-modules 5.14.0-427.50.1.el9_4, kernel-rt-debug-core 5.14.0-427.50.1.el9_4, kernel-rt-modules-core 5.14.0-427.50.1.el9_4, kernel-rt-debug-modules 5.14.0-427.50.1.el9_4, +4 more
    fixed: vendor fix RHSA-2025:0057
  • Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt 5.14.0-503.21.1.el9_5, kernel-rt-kvm 5.14.0-503.21.1.el9_5, kernel-rt-core 5.14.0-503.21.1.el9_5, kernel-rt-modules 5.14.0-503.21.1.el9_5, kernel-rt-debug-kvm 5.14.0-503.21.1.el9_5, kernel-rt-debug-core 5.14.0-503.21.1.el9_5, +6 more
    fixed: vendor fix RHSA-2025:0059
  • Red Hat Enterprise Linux Real Time for NFV EUS (v.9.2) kernel-rt 5.14.0-284.99.1.rt14.384.el9_2, kernel-rt-kvm 5.14.0-284.99.1.rt14.384.el9_2, kernel-rt-core 5.14.0-284.99.1.rt14.384.el9_2, kernel-rt-modules 5.14.0-284.99.1.rt14.384.el9_2, kernel-rt-debug-kvm 5.14.0-284.99.1.rt14.384.el9_2, kernel-rt-debug-core 5.14.0-284.99.1.rt14.384.el9_2, +6 more
    fixed: vendor fix RHSA-2025:0064
  • Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4) kernel-rt 5.14.0-427.50.1.el9_4, kernel-rt-kvm 5.14.0-427.50.1.el9_4, kernel-rt-core 5.14.0-427.50.1.el9_4, kernel-rt-modules 5.14.0-427.50.1.el9_4, kernel-rt-debug-kvm 5.14.0-427.50.1.el9_4, kernel-rt-debug-core 5.14.0-427.50.1.el9_4, +6 more
    fixed: vendor fix RHSA-2025:0057
  • Red Hat Enterprise Linux RT (v. 8) kernel-rt 4.18.0-553.34.1.rt7.375.el8_10, kernel-rt-core 4.18.0-553.34.1.rt7.375.el8_10, kernel-rt-modules 4.18.0-553.34.1.rt7.375.el8_10, kernel-rt-debug-core 4.18.0-553.34.1.rt7.375.el8_10, kernel-rt-debug-modules 4.18.0-553.34.1.rt7.375.el8_10, kernel-rt-modules-extra 4.18.0-553.34.1.rt7.375.el8_10, +2 more
    fixed: vendor fix RHSA-2025:0066
  • Red Hat Enterprise Linux RT TUS (v.8.4) kernel-rt 4.18.0-305.148.1.rt7.225.el8_4, kernel-rt-core 4.18.0-305.148.1.rt7.225.el8_4, kernel-rt-modules 4.18.0-305.148.1.rt7.225.el8_4, kernel-rt-debug-core 4.18.0-305.148.1.rt7.225.el8_4, kernel-rt-debug-modules 4.18.0-305.148.1.rt7.225.el8_4, kernel-rt-modules-extra 4.18.0-305.148.1.rt7.225.el8_4, +2 more
    fixed: vendor fix RHSA-2025:0060
  • 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, kernel-rt, python-perf, kernel-kdump, +8 more Red Hat Enterprise Linux AppStream EUS (v.9.2) kernel-doc 5.14.0-284.99.1.el9_2
    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

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
24 d ago

Exploit prediction

0.53% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Linux Linux

Classification

Weakness
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization
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.