Description
In the Linux kernel, the following vulnerability has been resolved:
bpf: Clear buf on error in __bpf_get_task_stack
Both bpf_get_task_stack and bpf_get_task_stack_sleepable helpers that use __bpf_get_task_stack have buf defined as ARG_PTR_TO_UNINIT_MEM argument and we should initialize the buf on every return path.
Adding missing buf memset for __bpf_get_task_stack fail paths. This provides deterministic buffer contents, which is useful when the buffer is used directly as a map key.
Metrics
No CVSS score has been published yet.
Affected software
Source: the vendor's advisory (CNA). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | >= 06ab134ce8ecfa5a69e850f88f81c8a4c3fa91df, < 5c4c57a277a87ed235183d03b671d346f5101f62; >= 06ab134ce8ecfa5a69e850f88f81c8a4c3fa91df, < 4acc761b4e3feca1eb648d21fc4d665b23c5372d; >= 06ab134ce8ecfa5a69e850f88f81c8a4c3fa91df, < 6f5a7bcc049709af12e403111d5e73e80910dafc; >= 06ab134ce8ecfa5a69e850f88f81c8a4c3fa91df, < 1f0f61573ba4cb899105b5cef65be3ca02205f93; >= 06ab134ce8ecfa5a69e850f88f81c8a4c3fa91df, < f523359c4789bb0396d2d642464a6e2fd4f2299d; >= 06ab134ce8ecfa5a69e850f88f81c8a4c3fa91df, < f5d242825ca417bb6afe35fde6e8880f97ca43fb; d921baabd96445ef9c9c9410ca06164359c8a1a5; 9c020a533eaae1c2d41a7e3835c4c818a9b4b656; ff6bdc205fd0a83bd365405d4e31fb5905826996; >= 5.10.30, < 5.11; >= 5.11.14, < 5.12; >= 5.10.96, < 5.11 |
| Linux | Linux | 5.12 |
References
- https://git.kernel.org/stable/c/1f0f61573ba4cb899105b5cef65be3ca02205f93
- https://git.kernel.org/stable/c/4acc761b4e3feca1eb648d21fc4d665b23c5372d
- https://git.kernel.org/stable/c/5c4c57a277a87ed235183d03b671d346f5101f62
- https://git.kernel.org/stable/c/6f5a7bcc049709af12e403111d5e73e80910dafc
- https://git.kernel.org/stable/c/f523359c4789bb0396d2d642464a6e2fd4f2299d
- https://git.kernel.org/stable/c/f5d242825ca417bb6afe35fde6e8880f97ca43fb
Timeline
- Published
- Sep 17, 2026
- Last modified
- Oct 30, 2026
- NVD status
- Received