SB20240531368 - Memory leak in Linux kernel sunrpc auth_gss
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531368
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) Memory leak (CVE-ID: CVE-2023-52653)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the gss_import_v2_context() function in net/sunrpc/auth_gss/gss_krb5_mech.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/99044c01ed5329e73651c054d8a4baacdbb1a27c
- https://git.kernel.org/stable/c/47ac11db93e74ac49cd6c3fc69bcbc5964c4a8b4
- https://git.kernel.org/stable/c/d111e30d9cd846bb368faf3637dc0f71fcbcf822
- https://git.kernel.org/stable/c/e67b652d8e8591d3b1e569dbcdfcee15993e91fa
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.23
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.2