SB20251226191 - NULL pointer dereference in Linux kernel usb dvb-usb-v2 driver
Published: December 26, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251226191
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 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2023-54093)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the anysee_master_xfer() function in drivers/media/usb/dvb-usb-v2/anysee.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/14b94154a72388b57221a2a73795c0ea61a95373
- https://git.kernel.org/stable/c/3dd5846a873938ec7b6d404ec27662942cd8f2ef
- https://git.kernel.org/stable/c/4a9763d2bc4a6d6fab42555b9c0b2eefa32585ac
- https://git.kernel.org/stable/c/5975dbbb7ad0767eaabd15d2c37a739ac76acb00
- https://git.kernel.org/stable/c/73c0b224ceeba12dee2a7a8cbc147648da0b2e63
- https://git.kernel.org/stable/c/8dc5b370254abc10f0cb4141d90cecf7ce465472
- https://git.kernel.org/stable/c/c30411266fd67ea3c02a05c157231654d5a3bdc9
- https://git.kernel.org/stable/c/e04affec2506ff5c12a18d78d7e694b3556a8982
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.295