CVE-2026-89799
HIGHCVSS 7.8Description
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.
Timeline
Published:September 16th, 2026 11:16 AM
Last modified:October 30th, 2026 1:20 PM
CVSS Scoring
CVSS v3: 7.8 (HIGH)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References & Reports
Advisories, patches, and third-party reports
- https://git.kernel.org/stable/c/01fc93f670b3e759413a4d574c18ccfc636d2728
- https://git.kernel.org/stable/c/15f1bd8574662f1b7b26aaa2e23ebf4066f0117d
- https://git.kernel.org/stable/c/18c71e4b65ee60b8611fc071bdd7159f10185117
- https://git.kernel.org/stable/c/c4efdc1d4cb3e9183e41a1b2a5e0901dbbb31cdf
- https://git.kernel.org/stable/c/ccf481d73bce6e851cec364fe831c86fe66877cf
- https://git.kernel.org/stable/c/e79a70c2e97ae36bbdd371f0ce88a525f7b49f01
Source: NIST NVD · Data may lag official sources by up to one minute