SB20250226586 - Improper error handling in Linux kernel extcon driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226586
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) Improper error handling (CVE-ID: CVE-2022-49308)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the extcon_dev_register() and extcon_dev_unregister() functions in drivers/extcon/extcon.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/033ec4e7e59ae5e1ef1e8c10bc6552926044ed1c
- https://git.kernel.org/stable/c/35ff1ac55d301efb3f467cf5426faaeb3452994b
- https://git.kernel.org/stable/c/368e68ad6da4317fc4170e8d92b51c13d1bfe7a7
- https://git.kernel.org/stable/c/5dcc2afe716d69f5112ce035cb14f007461ff189
- https://git.kernel.org/stable/c/6e721f3ad0535b24f19a62420f4da95212cf069c
- https://git.kernel.org/stable/c/abf3b222614f49f98e606fccdd269161c0d70204
- https://git.kernel.org/stable/c/cb81ea998c461868d1168411a867d8ffee12f23f
- https://git.kernel.org/stable/c/d472c78cc82999d07bd09193a6718016ce9cd386
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.198