SB20250226438 - NULL pointer dereference in Linux kernel amd amdkfd driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226438
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-2022-49055)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the alloc_event_waiters() function in drivers/gpu/drm/amd/amdkfd/kfd_events.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/0a692c625e373fef692ffbc7fc41f8a025f01cb7
- https://git.kernel.org/stable/c/1d7a5aae884ca727d41c7ed15d4c82fdb67c040c
- https://git.kernel.org/stable/c/32cf90a521dcc0f136db7ee5ba32bfe5f79e460e
- https://git.kernel.org/stable/c/40bf32dbfef866c83a3e74800b81d79e52b6d20b
- https://git.kernel.org/stable/c/94869bb0de69a812f70231b0eb480bb2f7ae73a6
- https://git.kernel.org/stable/c/c7a268b33882d5feaafd29c1734456f41ba41396
- https://git.kernel.org/stable/c/ebbb7bb9e80305820dc2328a371c1b35679f2667
- https://git.kernel.org/stable/c/f2658d5966bcee8c3eb487875f459756d4f7cdfc
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.35