SB2025082095 - Incorrect calculation in Linux kernel sunrpc
Published: August 20, 2025
Security Bulletin ID
SB2025082095
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) Incorrect calculation (CVE-ID: CVE-2025-38571)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect calculation within the xs_alloc_sparse_pages(), xs_sock_process_cmsg(), xs_sock_recvmsg() and xs_read_discard() functions in net/sunrpc/xprtsock.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/3ee397eaaca4fa04db21bb98c8f1d0c6cc525368
- https://git.kernel.org/stable/c/3feada5baf4dc96e151ff2ca54630e1d274e5458
- https://git.kernel.org/stable/c/a55b3d15331859d9fdd261cfa6d34ca2aeb0fb95
- https://git.kernel.org/stable/c/c36b2fbd60e8f9c6f975522130998608880c93be
- https://git.kernel.org/stable/c/cc5d59081fa26506d02de2127ab822f40d88bc5a