CVE-2024-26731

kernel: bpf, sockmap: Fix NULL pointer dereference in sk_psock_verdict_data_ready()

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · April 3, 2024

Updated · May 12, 2026

Description

A vulnerability was found in the Linux kernel, where a race condition is present between the sk_psock_verdict_data_ready() and sk_psock_stop_verdict() functions. If the functions are called concurrently, the psock (packet socket) object which both access could be NULL, causing a NULL pointer dereference, leading to memory corruption or crashes.

Statement

Red Hat Enterprise Linux 8 and 9 are not affected by this vulnerability.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-476 · NULL Pointer Dereference