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TI-2022-02387 Aliases CVE-2022-2585

Use after free in linux

Priority LOW 39CWE-416Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01284 70th percentileScored 2026-11-07
Fix Fixed linux (The Linux Kernel Organization): 6.0~rc1Red Hat: 3 advisories

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Linuxlinuxbefore 6.0~rc16.0~rc1Patch availableCNA
  • linux VendorLinux Affected before 6.0~rc1 Fixed in 6.0~rc1 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*5.7 to before 5.10.137; 5.11 to before 5.15.61; 5.16 to before 5.18.18; 5.19 to before 5.19.2VulnerableLinux
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*20.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:22.04:*:*:*:lts:*:*:*22.04VulnerableCanonical
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 5.7 to before 5.10.137; 5.11 to before 5.15.61; 5.16 to before 5.18.18; 5.19 to before 5.19.2 Vulnerable ·Linux
  • cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* Versions 20.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:22.04:*:*:*:lts:*:*:* Versions 22.04 Vulnerable ·Canonical

Remediation

  • Fix · CNA linux (The Linux Kernel Organization) Fixed in 6.0~rc1

Red Hat 3 advisories

  • RHSA-2022:7318 Released 2022-11-02 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-70.30.1.el9_0
    • Red Hat Enterprise Linux AppStream (v. 9) kernel-debug-devel-5.14.0-70.30.1.el9_0, kernel-debug-devel-matched-5.14.0-70.30.1.el9_0, kernel-devel-5.14.0-70.30.1.el9_0 +5
    • Red Hat Enterprise Linux BaseOS (v. 9) bpftool-5.14.0-70.30.1.el9_0, kernel-5.14.0-70.30.1.el9_0, kernel-abi-stablelists-5.14.0-70.30.1.el9_0 +14
  • RHSA-2022:7330 Released 2022-11-02 · Red Hat rating Important
    kpatch-patch security update
    • Red Hat Enterprise Linux BaseOS (v. 9) kpatch-patch-5_14_0-70_13_1-1-4.el9_0, kpatch-patch-5_14_0-70_17_1-1-3.el9_0, kpatch-patch-5_14_0-70_22_1-1-3.el9_0 +1
  • RHSA-2022:7319 Released 2022-11-02 · Red Hat rating Important
    kernel-rt security and bug fix update
    • 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-debug-5.14.0-70.30.1.rt21.102.el9_0 +7
    • Red Hat Enterprise Linux Real Time for NFV (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-debug-5.14.0-70.30.1.rt21.102.el9_0 +9

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    The Linux Kernel Organization linux 6.0~rc1

    2 records Highest priority Priority HIGH 1 HIGH, 1 LOW

    Other records, highest priority first

    Show all 2 records →

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat CodeReady Linux Builder (v. 9)Fixed RHSA-2022:7318
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2022:7318
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2022:7318, RHSA-2022:7330
Red Hat Enterprise Linux Real Time (v. 9)Fixed RHSA-2022:7319
Red Hat Enterprise Linux Real Time for NFV (v. 9)Fixed RHSA-2022:7319
Not affected: 3 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-2585
  2. 2026-11-05 Affected versions changed · Red Hat

References

Patch 1

Advisory 5

Other 1

  • TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
  • TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
  • TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
  • TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
  • TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
See all 15278 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences