CVE-2025-71291
kernel: misc: bcm_vk: Fix possible null-pointer dereferences in bcm_vk_read()
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Severity
UnknownRed Hat Product Security
CVSS
Review impact separately from score.
Published · May 6, 2026
Updated · June 28, 2026
Description
A flaw was found in the Linux kernel's bcm_vk module. A null-pointer dereference can occur within the bcm_vk_read() function if a specific condition is met where a pointer entry is NULL and an error code -EMSGSIZE is returned. This vulnerability could allow a local attacker to cause system instability or a denial of service (DoS).
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CWE-476 · NULL Pointer Dereference