SB2025050480 - Buffer overflow in Linux kernel nfsd
Published: May 4, 2025 Updated: May 10, 2025
Security Bulletin ID
SB2025050480
CSH 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 vulnerability.
1) Buffer overflow (CVE-ID: CVE-2023-53083)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the nfsd_splice_actor() function in fs/nfsd/vfs.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/0101067f376eb7b9afd00279270f25d5111a091d
- https://git.kernel.org/stable/c/12eca509234acb6b666802edf77408bb70d7bfca
- https://git.kernel.org/stable/c/27c934dd8832dd40fd34776f916dc201e18b319b
- https://git.kernel.org/stable/c/51ddb84baff6f09ad62b5999ece3ec172e4e3568
- https://git.kernel.org/stable/c/8235cd619db6e67f1d7d26c55f1f3e4e575c947d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.220