SB20250916393 - Input validation error in Linux kernel intel iwlegacy driver
Published: September 16, 2025 Updated: September 22, 2025
Security Bulletin ID
SB20250916393
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) Input validation error (CVE-ID: CVE-2023-53277)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the DEVICE_ATTR(), il3945_setup_deferred_work() and il3945_pci_probe() functions in drivers/net/wireless/intel/iwlegacy/3945-mac.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/17e07d6587c55015956862ef3b101fd45fa49fbc
- https://git.kernel.org/stable/c/1fdeb8b9f29dfd64805bb49475ac7566a3cb06cb
- https://git.kernel.org/stable/c/2f80b3ff92514ebd227e5c55d3d1e480401b02b7
- https://git.kernel.org/stable/c/34f611204ae589bd5c494b10b41fb13436bd3c3f
- https://git.kernel.org/stable/c/3ae2fc4de12686f3fe695824169c1272c9f798f7
- https://git.kernel.org/stable/c/505c74c4c0b1c5bcaa98a93b3087c268156070f1
- https://git.kernel.org/stable/c/7e594abc0424e4f8c2385f11aefeaadcfc507aa5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.235