7.8

CVE-2022-2585: canonical ubuntu_linux Use After Free

Modified
AliasesRHSA-2022:7330UBUNTU-CVE-2022-2585DEBIAN-CVE-2022-2585
Published 08-01-2024Last modified 04-09-2024

Vulnerability summary

CVE-2022-2585 is a high (CVSS 7.8) Use After Free vulnerability in canonical ubuntu_linux. EPSS estimates a 1.28% chance of exploitation in the next 30 days, higher than 70.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.3, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
1.28%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 19 · Related 12
DLA-3102-1DSA-5207-1LSN-0089-1MGASA-2022-0305MGASA-2022-0308RHSA-2022:7318

Timeline

  1. 08-01-2024
    PublishedVulnerability first disclosed.
  2. 04-09-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

1.28%

Chance of exploitation in the next 30 days

Percentile

70%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.28% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu61 products
  • linux< 5.15.0-46.49
  • linux-aws< 5.15.0-1017.21
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
  • linux-aws-5.13All versions (No fix recorded)
Redhat12 products
  • kpatch-patch-5_14_0-70_13_1< 0:1-4.el9_0
  • kpatch-patch-5_14_0-70_13_1-debuginfo< 0:1-4.el9_0
  • kpatch-patch-5_14_0-70_13_1-debugsource< 0:1-4.el9_0
  • kpatch-patch-5_14_0-70_17_1< 0:1-3.el9_0
  • kpatch-patch-5_14_0-70_17_1-debuginfo< 0:1-3.el9_0
Canonical1 product
Debian1 product
  • linux< 5.18.16-1
Linux1 product
  • linux_kernel≥ 5.7, < 5.10.137 | ≥ 5.11, < 5.15.61 | ≥ 5.16, < 5.18.18 | ≥ 5.19, < 5.19.2
The linux kernel organization1 product

6 vendors · 77 products

References

16 links
Show all 16 references