SB20250226376 - NULL pointer dereference in Linux kernel sunrpc xprtrdma
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226376
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-2022-49321)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the rpcrdma_is_bcall() function in net/sunrpc/xprtrdma/rpc_rdma.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/11270e7ca268e8d61b5d9e5c3a54bd1550642c9c
- https://git.kernel.org/stable/c/8dbae5affbdbf524b48000f9d357925bb001e5f4
- https://git.kernel.org/stable/c/8e3943c50764dc7c5f25911970c3ff062ec1f18c
- https://git.kernel.org/stable/c/90c4f73104016748533a5707ecd15930fbeff402
- https://git.kernel.org/stable/c/91784f3d77b73885e1b2e6b59d3cbf0de0a1126a
- https://git.kernel.org/stable/c/998d35a2aff4b81a1c784f3aa45cd3afff6814c1
- https://git.kernel.org/stable/c/a3fc8051ee061e31db13e2fe011e8e0b71a7f815
- https://git.kernel.org/stable/c/da99331fa62131a38a0947a8204c5208de7b0454
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.198