SB2026050977 - NULL pointer dereference in Linux kernel media i2c driver
Published: May 9, 2026
Security Bulletin ID
SB2026050977
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2026-43312)
CWE-ID: CWE-476 - NULL Pointer Dereference
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to a null pointer dereference in the ov5647 driver control initialization path when handling a device probe error condition. A local user can trigger the vulnerable error path to cause a denial of service.
The issue occurs because subdevice data may be accessed before it is initialized.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/2dedda97a64e7735844609c6c77c0dd953d73833
- https://git.kernel.org/stable/c/59e372aa4cf60e2500eba7f978acdcb18bb49032
- https://git.kernel.org/stable/c/8ecb21c20387cc0c8aa00489a21ccc69f6b0f5d1
- https://git.kernel.org/stable/c/cabd025182cfed4a19b3aab57493e312d681e398
- https://git.kernel.org/stable/c/eee13cbccacb6d0a3120c126b8544030905b069d
- https://git.kernel.org/stable/c/f2a1998bc0053ebfe137f65081ed13afd9f34502
- https://git.kernel.org/stable/c/fb69e4842f5b463ff5f121d2ac7746014e3477ea