SB20250226248 - Use-after-free in Linux kernel base driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226248
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2022-49385)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the bus_add_driver() function in drivers/base/bus.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/310862e574001a97ad02272bac0fd13f75f42a27
- https://git.kernel.org/stable/c/5389101257828d1913d713d9a40acbe14f5961df
- https://git.kernel.org/stable/c/5d709f58c743166fe1c6914b9de0ae8868600d9b
- https://git.kernel.org/stable/c/823f24f2e329babd0330200d0b74882516fe57f4
- https://git.kernel.org/stable/c/c059665c84feab46b7173d3a1bf36c2fb7f9df86
- https://git.kernel.org/stable/c/cdf1a683a01583bca4b618dd16223cbd6e462e21
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.47