GHSA-p7rj-gh7c-64vcHighCVSS 7.8
In the Linux kernel, the following vulnerability has been resolved: bpf: Disable preemption in...
🔗 CVE IDs covered (1)
📋 Description
In the Linux kernel, the following vulnerability has been resolved:
bpf: Disable preemption in bpf_get_stackid
The get_perf_callchain call needs disabled preemption plus we need it disabled as long as we access its returned trace entries buffer.
Note the bpf_get_stackid_pe function is executed already with preemption disabled.
🔗 References (6)
- https://nvd.nist.gov/vuln/detail/CVE-2026-89799
- https://git.kernel.org/stable/c/15f1bd8574662f1b7b26aaa2e23ebf4066f0117d
- https://git.kernel.org/stable/c/c4efdc1d4cb3e9183e41a1b2a5e0901dbbb31cdf
- https://git.kernel.org/stable/c/ccf481d73bce6e851cec364fe831c86fe66877cf
- https://git.kernel.org/stable/c/18c71e4b65ee60b8611fc071bdd7159f10185117
- https://github.com/advisories/GHSA-p7rj-gh7c-64vc