CVE-2022-2585

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

Published Jan 8, 2024 CVSS 3.1 · 5.3 Medium EPSS 1.3% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3102-1 linux-5.10 new package
Debian DSA Debian DSA DSA-5207-1 linux security update
EUVD EUVD EUVD-2022-34834 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.
Ubuntu USN Ubuntu USN USN-5564-1 Linux kernel (Intel IoTG) vulnerabilities
Ubuntu USN Ubuntu USN USN-5565-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5566-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5567-1 Linux kernel (OEM) vulnerabilities
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00296}

epss

{'score': 0.00301}

Weaknesses

Sources

Status
PUBLISHED
Assigner
canonical
Published
Updated
Sep 4, 2024, 7:03 PM
Reserved
Jul 29, 2022, 9:59 PM
Status
Modified
Published
Jan 8, 2024, 6:15 PM
Modified
Jun 17, 2026, 4:42 AM
Severity
Important
Public date
Aug 9, 2022, 5:00 PM