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CVE-2022-2585

HIGHCVSS 7.8/10EPSS 1.28%

Last modified

CVE-2022-2585 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 1.28% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
1.28%

66.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LinuxLinux Kernel>= 5.7, < 5.10.137
LinuxLinux Kernel>= 5.11, < 5.15.61
LinuxLinux Kernel>= 5.16, < 5.18.18
LinuxLinux Kernel>= 5.19, < 5.19.2
CanonicalUbuntu Linux20.04
CanonicalUbuntu Linux22.04

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2022-2585?
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.
How severe is CVE-2022-2585?
CVE-2022-2585 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.28% probability of exploitation in the next 30 days.
How do I fix CVE-2022-2585?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-2585?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST