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Fencer Vulns
medium 5.5

CVE-2022-48773 json

xprtrdma: fix pointer derefs in error cases of rpcrdma_ep_create

published 2024-07-16 2 y ago modified 2026-06-17 4 mo ago also EUVD-2022-53652

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 16%
public exploits
0
none known

Summary

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

xprtrdma: fix pointer derefs in error cases of rpcrdma_ep_create

If there are failures then we must not leave the non-NULL pointers with the error value, otherwise `rpcrdma_ep_destroy` gets confused and tries free them, resulting in an Oops.

Patch / fix

  • Linux Linux 5.10.102, 5.15.25, 5.16.11, 5.17
  • linux Debian 14, Debian 13, Debian 12 5.16.11-1

debian advisories DEBIAN-CVE-2022-48773

  • linux-intel-iotg-5.15 Ubuntu 20.04 LTS 5.15.0-1008.11~20.04.1

ubuntu advisories UBUNTU-CVE-2022-48773

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-rt RHEL 8 4.18.0-553.27.1.rt7.368.el8_10
  • kernel-rt-kvm RHEL 8 4.18.0-553.27.1.rt7.368.el8_10
  • kernel-rt-core RHEL 8 4.18.0-553.27.1.rt7.368.el8_10
  • kernel-rt-modules RHEL 8 4.18.0-553.27.1.rt7.368.el8_10
  • kernel-rt-debug-kvm RHEL 8 4.18.0-553.27.1.rt7.368.el8_10
  • kernel-rt-debug-core RHEL 8 4.18.0-553.27.1.rt7.368.el8_10
  • kernel-rt-debug-modules RHEL 8 4.18.0-553.27.1.rt7.368.el8_10
  • kernel-rt-modules-extra RHEL 8 4.18.0-553.27.1.rt7.368.el8_10

red hat advisories RHSA-2024:10265RHSA-2024:10262RHSA-2024:10275RHSA-2024:8870RHSA-2024:8856RHSA-2024:8616

  • kernel-azure SLE Module for Public Cloud 15 SP5, openSUSE Leap 15.5 5.14.21-150500.33.63.1
  • kernel-syms-azure SLE Module for Public Cloud 15 SP5, openSUSE Leap 15.5 5.14.21-150500.33.63.1
  • kernel-source-azure SLE Module for Public Cloud 15 SP5, openSUSE Leap 15.5 5.14.21-150500.33.63.1
  • dtb-aarch64 openSUSE Leap 15.5 5.14.21-150500.55.73.1
  • kernel-64kb SLE Module for Basesystem 15 SP5, openSUSE Leap 15.5 5.14.21-150500.55.73.1
  • kernel-syms SLE Module for Development Tools 15 SP5, openSUSE Leap 15.5 5.14.21-150500.55.73.1
  • kernel-obs-qa openSUSE Leap 15.5 5.14.21-150500.55.73.1
  • kernel-source SLE Module for Development Tools 15 SP5, SLE Module for Basesystem 15 SP5, openSUSE Leap 15.5 5.14.21-150500.55.73.1

suse advisories SUSE-SU-2024:2947-1SUSE-SU-2024:2939-1SUSE-SU-2024:2929-1SUSE-SU-2024:2902-1SUSE-SU-2024:2894-1

  • kernel AlmaLinux 8 4.18.0-553.27.1.el8_10
  • perf AlmaLinux 8 4.18.0-553.27.1.el8_10
  • bpftool AlmaLinux 8 4.18.0-553.27.1.el8_10
  • kernel-core AlmaLinux 8 4.18.0-553.27.1.el8_10
  • kernel-tools AlmaLinux 8 4.18.0-553.27.1.el8_10
  • python3-perf AlmaLinux 8 4.18.0-553.27.1.el8_10
  • kernel-modules AlmaLinux 8 4.18.0-553.27.1.el8_10
  • kernel-zfcpdump AlmaLinux 8 4.18.0-553.27.1.el8_10

almalinux advisories ALSA-2024:8856ALSA-2024:8870

  • kernel-rt Rocky Linux 8 4.18.0-553.27.1.rt7.368.el8_10
  • kernel Rocky Linux 8 4.18.0-553.27.1.el8_10

rocky linux advisories RLSA-2024:8870RLSA-2024:8856

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-2022-48773 updated cvss 5.5

kernel: xprtrdma: fix pointer derefs in error cases of rpcrdma_ep_create

  • 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
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 9 rv, perf, rtla, kernel, bpftool, libperf, +83 more
    affected: no fix available “Fix deferred”
  • Red Hat CodeReady Linux Builder EUS (v.8.8) kernel-debuginfo-common-x86_64 4.18.0-477.81.1.el8_8, kernel-debuginfo-common-aarch64 4.18.0-477.81.1.el8_8, kernel-debuginfo-common-ppc64le 4.18.0-477.81.1.el8_8
    fixed: vendor fix RHSA-2024:10262
  • Red Hat Enterprise Linux AppStream E4S (v.9.0) perf 5.14.0-70.117.1.el9_0, kernel-devel-matched 5.14.0-70.117.1.el9_0, kernel-debug-devel-matched 5.14.0-70.117.1.el9_0, kernel-debuginfo-common-s390x 5.14.0-70.117.1.el9_0, kernel-zfcpdump-devel-matched 5.14.0-70.117.1.el9_0, kernel-debuginfo-common-x86_64 5.14.0-70.117.1.el9_0, +2 more
    fixed: vendor fix RHSA-2024:6991
  • Red Hat Enterprise Linux BaseOS (v. 8) perf 4.18.0-553.27.1.el8_10, kernel 4.18.0-553.27.1.el8_10, bpftool 4.18.0-553.27.1.el8_10, kernel-core 4.18.0-553.27.1.el8_10, kernel-tools 4.18.0-553.27.1.el8_10, python3-perf 4.18.0-553.27.1.el8_10, +15 more
    fixed: vendor fix RHSA-2024:8856
  • Red Hat Enterprise Linux BaseOS AUS (v.8.4) perf 4.18.0-305.145.1.el8_4, kernel 4.18.0-305.145.1.el8_4, bpftool 4.18.0-305.145.1.el8_4, kernel-core 4.18.0-305.145.1.el8_4, kernel-tools 4.18.0-305.145.1.el8_4, python3-perf 4.18.0-305.145.1.el8_4, +8 more
    fixed: vendor fix RHSA-2024:10265
  • Red Hat Enterprise Linux BaseOS AUS (v.8.6) perf 4.18.0-372.127.1.el8_6, kernel 4.18.0-372.127.1.el8_6, bpftool 4.18.0-372.127.1.el8_6, kernel-core 4.18.0-372.127.1.el8_6, kernel-tools 4.18.0-372.127.1.el8_6, python3-perf 4.18.0-372.127.1.el8_6, +8 more
    fixed: vendor fix RHSA-2024:8616
  • Red Hat Enterprise Linux BaseOS E4S (v.8.4) perf 4.18.0-305.145.1.el8_4, kernel 4.18.0-305.145.1.el8_4, bpftool 4.18.0-305.145.1.el8_4, kernel-core 4.18.0-305.145.1.el8_4, kernel-tools 4.18.0-305.145.1.el8_4, python3-perf 4.18.0-305.145.1.el8_4, +9 more
    fixed: vendor fix RHSA-2024:10265
show 12 more
  • Red Hat Enterprise Linux BaseOS E4S (v.8.6) perf 4.18.0-372.127.1.el8_6, kernel 4.18.0-372.127.1.el8_6, bpftool 4.18.0-372.127.1.el8_6, kernel-core 4.18.0-372.127.1.el8_6, kernel-tools 4.18.0-372.127.1.el8_6, python3-perf 4.18.0-372.127.1.el8_6, +15 more
    fixed: vendor fix RHSA-2024:8616
  • Red Hat Enterprise Linux BaseOS E4S (v.9.0) kernel 5.14.0-70.117.1.el9_0, bpftool 5.14.0-70.117.1.el9_0, kernel-core 5.14.0-70.117.1.el9_0, kernel-tools 5.14.0-70.117.1.el9_0, python3-perf 5.14.0-70.117.1.el9_0, kernel-modules 5.14.0-70.117.1.el9_0, +14 more
    fixed: vendor fix RHSA-2024:6991
  • Red Hat Enterprise Linux BaseOS EUS (v.8.8) perf 4.18.0-477.81.1.el8_8, kernel 4.18.0-477.81.1.el8_8, bpftool 4.18.0-477.81.1.el8_8, kernel-core 4.18.0-477.81.1.el8_8, kernel-tools 4.18.0-477.81.1.el8_8, python3-perf 4.18.0-477.81.1.el8_8, +15 more
    fixed: vendor fix RHSA-2024:10262
  • Red Hat Enterprise Linux BaseOS TUS (v.8.4) perf 4.18.0-305.145.1.el8_4, kernel 4.18.0-305.145.1.el8_4, bpftool 4.18.0-305.145.1.el8_4, kernel-core 4.18.0-305.145.1.el8_4, kernel-tools 4.18.0-305.145.1.el8_4, python3-perf 4.18.0-305.145.1.el8_4, +8 more
    fixed: vendor fix RHSA-2024:10265
  • Red Hat Enterprise Linux BaseOS TUS (v.8.6) perf 4.18.0-372.127.1.el8_6, kernel 4.18.0-372.127.1.el8_6, bpftool 4.18.0-372.127.1.el8_6, kernel-core 4.18.0-372.127.1.el8_6, kernel-tools 4.18.0-372.127.1.el8_6, python3-perf 4.18.0-372.127.1.el8_6, +8 more
    fixed: vendor fix RHSA-2024:8616
  • Red Hat Enterprise Linux CRB (v. 8) kernel-debuginfo-common-x86_64 4.18.0-553.27.1.el8_10, kernel-debuginfo-common-aarch64 4.18.0-553.27.1.el8_10, kernel-debuginfo-common-ppc64le 4.18.0-553.27.1.el8_10
    fixed: vendor fix RHSA-2024:8856
  • Red Hat Enterprise Linux NFV (v. 8) kernel-rt 4.18.0-553.27.1.rt7.368.el8_10, kernel-rt-kvm 4.18.0-553.27.1.rt7.368.el8_10, kernel-rt-core 4.18.0-553.27.1.rt7.368.el8_10, kernel-rt-modules 4.18.0-553.27.1.rt7.368.el8_10, kernel-rt-debug-kvm 4.18.0-553.27.1.rt7.368.el8_10, kernel-rt-debug-core 4.18.0-553.27.1.rt7.368.el8_10, +4 more
    fixed: vendor fix RHSA-2024:8870
  • Red Hat Enterprise Linux NFV E4S (v.9.0) kernel-rt 5.14.0-70.117.1.rt21.189.el9_0, kernel-rt-kvm 5.14.0-70.117.1.rt21.189.el9_0, kernel-rt-core 5.14.0-70.117.1.rt21.189.el9_0, kernel-rt-modules 5.14.0-70.117.1.rt21.189.el9_0, kernel-rt-debug-kvm 5.14.0-70.117.1.rt21.189.el9_0, kernel-rt-debug-core 5.14.0-70.117.1.rt21.189.el9_0, +4 more
    fixed: vendor fix RHSA-2024:6990
  • Red Hat Enterprise Linux NFV TUS (v.8.4) kernel-rt 4.18.0-305.145.1.rt7.221.el8_4, kernel-rt-kvm 4.18.0-305.145.1.rt7.221.el8_4, kernel-rt-core 4.18.0-305.145.1.rt7.221.el8_4, kernel-rt-modules 4.18.0-305.145.1.rt7.221.el8_4, kernel-rt-debug-kvm 4.18.0-305.145.1.rt7.221.el8_4, kernel-rt-debug-core 4.18.0-305.145.1.rt7.221.el8_4, +4 more
    fixed: vendor fix RHSA-2024:10275
  • Red Hat Enterprise Linux Real Time E4S (v.9.0) kernel-rt 5.14.0-70.117.1.rt21.189.el9_0, kernel-rt-core 5.14.0-70.117.1.rt21.189.el9_0, kernel-rt-modules 5.14.0-70.117.1.rt21.189.el9_0, kernel-rt-debug-core 5.14.0-70.117.1.rt21.189.el9_0, kernel-rt-debug-modules 5.14.0-70.117.1.rt21.189.el9_0, kernel-rt-modules-extra 5.14.0-70.117.1.rt21.189.el9_0, +2 more
    fixed: vendor fix RHSA-2024:6990
  • Red Hat Enterprise Linux RT (v. 8) kernel-rt 4.18.0-553.27.1.rt7.368.el8_10, kernel-rt-core 4.18.0-553.27.1.rt7.368.el8_10, kernel-rt-modules 4.18.0-553.27.1.rt7.368.el8_10, kernel-rt-debug-core 4.18.0-553.27.1.rt7.368.el8_10, kernel-rt-debug-modules 4.18.0-553.27.1.rt7.368.el8_10, kernel-rt-modules-extra 4.18.0-553.27.1.rt7.368.el8_10, +2 more
    fixed: vendor fix RHSA-2024:8870
  • Red Hat Enterprise Linux RT TUS (v.8.4) kernel-rt 4.18.0-305.145.1.rt7.221.el8_4, kernel-rt-core 4.18.0-305.145.1.rt7.221.el8_4, kernel-rt-modules 4.18.0-305.145.1.rt7.221.el8_4, kernel-rt-debug-core 4.18.0-305.145.1.rt7.221.el8_4, kernel-rt-debug-modules 4.18.0-305.145.1.rt7.221.el8_4, kernel-rt-modules-extra 4.18.0-305.145.1.rt7.221.el8_4, +2 more
    fixed: vendor fix RHSA-2024:10275

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
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
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
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.