PT-2021-26774

Published

2021-11-29

·

Updated

2021-11-29

Description by

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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.
Vendors
Affected products
Related identifiers
GSD-2021-1002304
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