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VULNERABILITIES

CVE-2026-89799 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: kernel.orgCVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://git.kernel.org/stable/c/15f1bd8574662f1b7b26aaa2e23ebf4066f0117d kernel.org
https://git.kernel.org/stable/c/18c71e4b65ee60b8611fc071bdd7159f10185117 kernel.org
https://git.kernel.org/stable/c/c4efdc1d4cb3e9183e41a1b2a5e0901dbbb31cdf kernel.org
https://git.kernel.org/stable/c/ccf481d73bce6e851cec364fe831c86fe66877cf kernel.org

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-89799
NVD Published Date:
Sep 16, 2026
NVD Last Modified:
Sep 21, 2026
Source:
kernel.org
CVE-2026-89799 Details - Not Deferred