{"id":"CVE-2026-89799","published":"2026-09-16T11:16:44.767","lastModified":"2026-09-21T14:17:27.000","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Disable preemption in bpf_get_stackid\n\nThe get_perf_callchain call needs disabled preemption plus we need\nit disabled as long as we access its returned trace entries buffer.\n\nNote the bpf_get_stackid_pe function is executed already with\npreemption disabled.","cvssScore":7.8,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/15f1bd8574662f1b7b26aaa2e23ebf4066f0117d","tags":[]},{"url":"https://git.kernel.org/stable/c/18c71e4b65ee60b8611fc071bdd7159f10185117","tags":[]},{"url":"https://git.kernel.org/stable/c/c4efdc1d4cb3e9183e41a1b2a5e0901dbbb31cdf","tags":[]},{"url":"https://git.kernel.org/stable/c/ccf481d73bce6e851cec364fe831c86fe66877cf","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}