CVE-2026-89799

Published: Set 16, 2026 Last Modified: Set 21, 2026

ExploitDB:

Other exploit source:

Google Dorks:

HIGH 7,8

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Attack Vector: local

Attack Complexity: low

Privileges Required: low

User Interaction: none

Scope: unchanged

Confidentiality: high

Integrity: high

Availability: high

AI Translation Available

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.

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