CVE-2026-46235

low Red Hat
CVSS v3 Base Score
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.0%
Exploitation probability in 30 days
Top 95% most likely to be exploited
Attack Characteristics
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Confidentiality
None
Integrity
None
Availability
High
Published: May 28, 2026 (43 days ago)
Last Modified: May 28, 2026
Vendor: Red Hat
Source: REDHAT

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.

CWE

CWE-252

Affected Products

Red Hat Enterprise Linux 10Red Hat Enterprise Linux 6Red Hat Enterprise Linux 7Red Hat Enterprise Linux 8Red Hat Enterprise Linux 9

References

🔗 bugzilla.redhat.com 🔗 www.cve.org 🔗 nvd.nist.gov 🔗 lore.kernel.org