CVE-2026-46235
kernel: media: saa7164: add ioremap return checks and cleanups
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · May 28, 2026
Updated · June 28, 2026
Description
A flaw was found in the saa7164 media driver in the Linux kernel. This vulnerability occurs due to missing return value checks for ioremap calls within the saa7164_dev_setup() function. If ioremap fails for BAR0 or BAR2, it can lead to null pointer dereferences and improper cleanup of PCI memory regions. This could allow a local attacker to cause a denial of service (DoS) by triggering memory mapping failures, potentially leading to system instability or crashes.
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 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-252 · Unchecked Return Value