CVE-2026-90300
CVE CVE-2026-90300EUVD EUVD-2026-81893Published 2026-09-17T16:08:24.000Z
What the advisory describes
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.
Source: EUVD (ENISA), in the words of the advisory.
Products the advisory names
These come from the advisory itself, not from any check we performed.
- Linux — Linux 06ab134ce8ecfa5a69e850f88f81c8a4c3fa91df <f523359c4789bb0396d2d642464a6e2fd4f2299d; patch: 7.2.6; 5.10.96 <5.11; 5.12; d921baabd96445ef9c9c9410ca06164359c8a1a5; 9c020a533eaae1c2d41a7e3835c4c818a9b4b656; patch: 0; 5.10.30 <5.11; ff6bdc205fd0a83bd365405d4e31fb5905826996; patch: 7.3-rc1; 5.11.14 <5.12; 06ab134ce8ecfa5a69e850f88f81c8a4c3fa91df <f5d242825ca417bb6afe35fde6e8880f97ca43fb
The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.
Carried in the product catalogue
An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.
- Linux — Linux
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