OCTOBER 13, 2026
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Case File

CVE-2026-89799

HIGH · CVSS 7.8 EPSS 0.16%

Source: NVD + CISA KEV + EPSS · Published 2026-09-16 · Last synced 2026-10-13

CyberRota Analysis

AI-Generated

A vulnerability in the Linux kernel affects the bpf_get_stackid function, which requires preemption to be disabled during the access of its returned trace entries buffer. This could potentially lead to instability or unexpected behavior in systems relying on this functionality. Organizations using affected Linux distributions should prioritize this issue to ensure system reliability and performance.

CVE
CVE-2026-89799
Severity
HIGH
CVSS
7.8
EPSS
0.16%
Linux

Original NVD 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.