PT-2021-26774 · Linux · Linux Kernel
Published
2021-11-29
·
Updated
2021-11-29
None
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Name of the Vulnerable Software and Affected Versions:
Linux Kernel versions prior to v5.15.5
Description:
The issue concerns the
bpf system, specifically forbidding the use of bpf ktime get coarse ns and bpf timer * in tracing programs. This change was introduced to potentially mitigate a security risk, although the actual impact and attack plausibility have not been proven. The issue was introduced in version v5.11 and fixed in version v5.15.5.Recommendations:
For Linux Kernel versions prior to v5.15.5, update to version v5.15.5 or later to resolve the issue.
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Related Identifiers
Affected Products
Linux Kernel