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Fencer Vulns
medium 5.5

CVE-2022-2318 json

There are use-after-free vulnerabilities caused by timer handler in net/rose/rose_timer.c of linux that allow attackers to crash linux kern…

published 2022-07-06 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-34588

cvss
5.5
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 36%
public exploits
0
none known

Summary

There are use-after-free vulnerabilities caused by timer handler in net/rose/rose_timer.c of linux that allow attackers to crash linux kernel without any privileges.

Patch / fix

  • linux linux_kernel 5.19
  • linux Debian 14, Debian 13, Debian 12 5.18.14-1

debian advisories DEBIAN-CVE-2022-2318

  • linux Ubuntu 18.04 LTS 4.15.0-194.205
  • linux Ubuntu 20.04 LTS 5.4.0-128.144
  • linux Ubuntu 22.04 LTS 5.15.0-48.54
  • linux-aws Ubuntu 18.04 LTS 4.15.0-1142.154
  • linux-aws Ubuntu 20.04 LTS 5.4.0-1086.93
  • linux-aws Ubuntu 22.04 LTS 5.15.0-1020.24
  • linux-gcp Ubuntu 20.04 LTS 5.4.0-1090.98
  • linux-gcp Ubuntu 22.04 LTS 5.15.0-1018.24

ubuntu advisories UBUNTU-CVE-2022-2318

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 SLE Micro 5.2, SLE Micro 5.1, Real Time Module 15 SP3 +1 more 5.3.18-150300.99.1
  • kernel-syms-rt Real Time Module 15 SP3 5.3.18-150300.99.1
  • kernel-rt_debug Real Time Module 15 SP3 5.3.18-150300.99.1
  • kernel-source-rt Real Time Module 15 SP3 5.3.18-150300.99.1
  • kernel-default SLE Workstation Extension 15 SP3, SLE Module for Legacy 15 SP3, SLE Module for Basesystem 15 SP3 +6 more 5.3.18-150300.59.90.1
  • kernel-default-base SLE Module for Basesystem 15 SP3, SLE Micro 5.2, SLE Micro 5.1 +2 more 5.3.18-150300.59.90.1.150300.18.52.1
  • dtb-aarch64 openSUSE Leap 15.4, openSUSE Leap 15.3 5.3.18-150300.59.90.1
  • kernel-64kb SLE Module for Basesystem 15 SP3, openSUSE Leap 15.3 5.3.18-150300.59.90.1

suse advisories SUSE-SU-2023:0416-1SUSE-SU-2022:2892-2SUSE-SU-2022:2892-1SUSE-SU-2022:2875-2SUSE-SU-2022:2875-1SUSE-SU-2022:2840-1

  • kernel CBL-Mariner 2.0 5.15.55.1-1

azure linux advisories AZL-10106

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

  • linux-lts Arch Linux 5.15.45-1
  • linux-hardened Arch Linux 5.18.11.hardened1-1
  • linux-zen Arch Linux 5.18.11.zen1-1
  • linux Arch Linux 5.18.11.arch1-1

arch linux advisories AVG-2754AVG-2773AVG-2774AVG-2775

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-2022-2318 updated cvss 5.5

Kernel: A use-after-free vulnerabilities caused by timer handler in net/rose/rose_timer.c

  • 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

0.42% chance of exploitation in the next 30 days, higher than 36% 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
NVD 2.0 4.9 AV:L/AC:L/Au:N/C:N/I:N/A:C

Affected products

  • n/a Kernel

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.