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Fencer Vulns
medium 5.3

CVE-2022-2585 json

It was discovered that when exec'ing from a non-leader thread, armed POSIX CPU timers would be left on a list but freed, leading to a use-a…

published 2024-01-08 2 y ago modified 2026-06-17 4 mo ago also EUVD-2022-34834

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 70%
public exploits
0
none known

Summary

It was discovered that when exec'ing from a non-leader thread, armed POSIX CPU timers would be left on a list but freed, leading to a use-after-free.

Patch / fix

  • The Linux Kernel Organization linux 6.0~rc1
  • linux Debian 14, Debian 13, Debian 12 5.18.16-1

debian advisories DEBIAN-CVE-2022-2585

  • linux Ubuntu 22.04 LTS 5.15.0-46.49
  • linux-aws Ubuntu 22.04 LTS 5.15.0-1017.21
  • linux-gcp Ubuntu 22.04 LTS 5.15.0-1016.21
  • linux-gke Ubuntu 22.04 LTS 5.15.0-1014.17
  • linux-ibm Ubuntu 22.04 LTS 5.15.0-1012.14
  • linux-kvm Ubuntu 22.04 LTS 5.15.0-1016.19
  • linux-azure Ubuntu 22.04 LTS 5.15.0-1017.20
  • linux-gkeop Ubuntu 22.04 LTS 5.15.0-1002.4

ubuntu advisories UBUNTU-CVE-2022-2585

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-5_14_0-70_13_1 RHEL 9 1-4.el9_0
  • kpatch-patch-5_14_0-70_17_1 RHEL 9 1-3.el9_0
  • kpatch-patch-5_14_0-70_22_1 RHEL 9 1-3.el9_0
  • kpatch-patch-5_14_0-70_26_1 RHEL 9 1-2.el9_0
  • kernel RHEL 9 5.14.0-70.30.1.el9_0
  • perf RHEL 9 5.14.0-70.30.1.el9_0
  • bpftool RHEL 9 5.14.0-70.30.1.el9_0
  • kernel-core RHEL 9 5.14.0-70.30.1.el9_0

red hat advisories RHSA-2022:7330RHSA-2022:7318RHSA-2022:7319

  • kernel-64kb SLES 15 SP4-LTSS, SLE High Performance Computing 15 SP4-LTSS, SLE High Performance Computing 15 SP4-ESPOS 5.14.21-150400.24.170.2
  • kernel-syms SLES for SAP 15 SP4, SLES 15 SP4-LTSS, SLE High Performance Computing 15 SP4-LTSS +3 more 5.14.21-150400.24.170.1
  • kernel-source SLES for SAP 15 SP4, SLES 15 SP4-LTSS, SLE High Performance Computing 15 SP4-LTSS +3 more 5.14.21-150400.24.170.1
  • kernel-default SLES for SAP 15 SP4, SLES 15 SP4-LTSS, SLE Micro 5.4 +6 more 5.14.21-150400.24.170.2
  • kernel-zfcpdump SLES 15 SP4-LTSS, Manager Server 4.3 5.14.21-150400.24.170.2
  • kernel-obs-build SLES for SAP 15 SP4, SLES 15 SP4-LTSS, SLE High Performance Computing 15 SP4-LTSS +1 more 5.14.21-150400.24.170.2
  • kernel-default-base SLES for SAP 15 SP4, SLES 15 SP4-LTSS, SLE Micro 5.4 +5 more 5.14.21-150400.24.170.2.150400.24.86.2
  • kernel-rt SLE Micro 5.4, SLE Micro 5.3 5.14.21-150400.15.124.1

suse advisories SUSE-SU-2025:02537-1SUSE-SU-2025:02322-1SUSE-SU-2025:02321-1SUSE-SU-2025:02264-1SUSE-SU-2022:3288-1SUSE-SU-2022:3108-1

  • kernel AlmaLinux 9 5.14.0-70.30.1.el9_0
  • perf AlmaLinux 9 5.14.0-70.30.1.el9_0
  • bpftool AlmaLinux 9 5.14.0-70.30.1.el9_0
  • kernel-core AlmaLinux 9 5.14.0-70.30.1.el9_0
  • kernel-tools AlmaLinux 9 5.14.0-70.30.1.el9_0
  • python3-perf AlmaLinux 9 5.14.0-70.30.1.el9_0
  • kernel-modules AlmaLinux 9 5.14.0-70.30.1.el9_0
  • kernel-zfcpdump AlmaLinux 9 5.14.0-70.30.1.el9_0

almalinux advisories ALSA-2022:7318ALSA-2022:7319

  • kernel-rt Rocky Linux 9 5.14.0-70.30.1.rt21.102.el9
  • kernel Rocky Linux 9 5.14.0-70.30.1.el9

rocky linux advisories RLSA-2022:7319RLSA-2022:7318

  • kernel CBL-Mariner 2.0 5.15.153.1-1

azure linux advisories AZL-33498

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-2022-2585 updated cvss 7.8

kernel: posix cpu timer use-after-free may lead to local privilege escalation

  • Red Hat CodeReady Linux Builder (v. 9) kernel-debuginfo-common-s390x 5.14.0-70.30.1.el9_0, kernel-debuginfo-common-x86_64 5.14.0-70.30.1.el9_0, kernel-debuginfo-common-aarch64 5.14.0-70.30.1.el9_0, kernel-debuginfo-common-ppc64le 5.14.0-70.30.1.el9_0 Red Hat Enterprise Linux AppStream (v. 9) perf 5.14.0-70.30.1.el9_0, kernel-devel-matched 5.14.0-70.30.1.el9_0, kernel-debug-devel-matched 5.14.0-70.30.1.el9_0, kernel-debuginfo-common-s390x 5.14.0-70.30.1.el9_0, kernel-zfcpdump-devel-matched 5.14.0-70.30.1.el9_0, kernel-debuginfo-common-x86_64 5.14.0-70.30.1.el9_0, +2 more Red Hat Enterprise Linux BaseOS (v. 9) kernel 5.14.0-70.30.1.el9_0, bpftool 5.14.0-70.30.1.el9_0, kernel-core 5.14.0-70.30.1.el9_0, kernel-tools 5.14.0-70.30.1.el9_0, python3-perf 5.14.0-70.30.1.el9_0, kernel-modules 5.14.0-70.30.1.el9_0, +18 more
    fixed: vendor fix RHSA-2022:7318
  • Red Hat Enterprise Linux Real Time (v. 9) kernel-rt 5.14.0-70.30.1.rt21.102.el9_0, kernel-rt-core 5.14.0-70.30.1.rt21.102.el9_0, kernel-rt-modules 5.14.0-70.30.1.rt21.102.el9_0, kernel-rt-debug-core 5.14.0-70.30.1.rt21.102.el9_0, kernel-rt-debug-modules 5.14.0-70.30.1.rt21.102.el9_0, kernel-rt-modules-extra 5.14.0-70.30.1.rt21.102.el9_0, +2 more Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt 5.14.0-70.30.1.rt21.102.el9_0, kernel-rt-kvm 5.14.0-70.30.1.rt21.102.el9_0, kernel-rt-core 5.14.0-70.30.1.rt21.102.el9_0, kernel-rt-modules 5.14.0-70.30.1.rt21.102.el9_0, kernel-rt-debug-kvm 5.14.0-70.30.1.rt21.102.el9_0, kernel-rt-debug-core 5.14.0-70.30.1.rt21.102.el9_0, +4 more
    fixed: vendor fix RHSA-2022:7319
  • 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
    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 ICSA-23-166-10 updated cvss 7.8

Siemens SIMATIC S7-1500 TM MFP BIOS

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

1.28% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • The Linux Kernel Organization 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.