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Fencer Vulns
high 7.8

CVE-2022-29156 json

drivers/infiniband/ulp/rtrs/rtrs-clt.c in the Linux kernel before 5.16.12 has a double free related to rtrs_clt_dev_release.

published 2022-04-13 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-33564

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 32%
public exploits
0
none known

Summary

drivers/infiniband/ulp/rtrs/rtrs-clt.c in the Linux kernel before 5.16.12 has a double free related to rtrs_clt_dev_release.

Patch / fix

  • linux linux_kernel 5.10.103, 5.15.26, 5.16.12
  • linux Debian 14, Debian 13, Debian 12 5.16.12-1

debian advisories DEBIAN-CVE-2022-29156

  • linux-aws-5.13 Ubuntu 20.04 LTS 5.13.0-1023.25~20.04.1
  • linux-gcp-5.13 Ubuntu 20.04 LTS 5.13.0-1025.30~20.04.1
  • linux-hwe-5.13 Ubuntu 20.04 LTS 5.13.0-41.46~20.04.1
  • linux-oem-5.14 Ubuntu 20.04 LTS 5.14.0-1033.36
  • linux-azure-5.13 Ubuntu 20.04 LTS 5.13.0-1023.27~20.04.1
  • linux-oracle-5.13 Ubuntu 20.04 LTS 5.13.0-1028.33~20.04.1
  • linux-intel-iotg-5.15 Ubuntu 20.04 LTS 5.15.0-1008.11~20.04.1

ubuntu advisories UBUNTU-CVE-2022-29156

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

  • dtb-aarch64 openSUSE Leap 15.4, openSUSE Leap 15.3 5.3.18-150300.59.68.1
  • kernel-64kb SLE Module for Basesystem 15 SP3, openSUSE Leap 15.3 5.3.18-150300.59.68.1
  • kernel-syms SLE Module for Development Tools 15 SP3, openSUSE Leap 15.3 5.3.18-150300.59.68.1
  • kernel-obs-qa openSUSE Leap 15.3 5.3.18-150300.59.68.1
  • kernel-source SLE Module for Development Tools 15 SP3, SLE Module for Basesystem 15 SP3, openSUSE Leap 15.3 5.3.18-150300.59.68.1
  • kernel-default SLE Workstation Extension 15 SP3, SLE Module for Legacy 15 SP3, SLE Module for Basesystem 15 SP3 +5 more 5.3.18-150300.59.68.1
  • kernel-preempt SLE Workstation Extension 15 SP3, SLE Module for Development Tools 15 SP3, SLE Module for Basesystem 15 SP3 +2 more 5.3.18-150300.59.68.1
  • kernel-kvmsmall openSUSE Leap 15.3 5.3.18-150300.59.68.1

suse advisories SUSE-SU-2022:1687-1SUSE-SU-2022:1676-1SUSE-SU-2022:1669-1

  • kernel CBL-Mariner 2.0 5.15.37.1-2

azure linux advisories AZL-9355

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-2022-29156 updated cvss 6.7

kernel: rtrs-clt.c rtrs_clt_dev_release double free

  • 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 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more Red Hat Enterprise Linux 9 rv, perf, rtla, kernel, bpftool, libperf, +83 more
    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

0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

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.