SB2024053109 - Use-after-free in Linux kernel linux sunrpc
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024053109
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2023-52803)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the rpc_clnt_remove_pipedir() and rpc_setup_pipedir() functions in net/sunrpc/clnt.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/dedf2a0eb9448ae73b270743e6ea9b108189df46
- https://git.kernel.org/stable/c/194454afa6aa9d6ed74f0c57127bc8beb27c20df
- https://git.kernel.org/stable/c/7749fd2dbef72a52b5c9ffdbf877691950ed4680
- https://git.kernel.org/stable/c/1cdb52ffd6600a37bd355d8dce58ecd03e55e618
- https://git.kernel.org/stable/c/cc2e7ebbeb1d0601f7f3c8d93b78fcc03a95e44a
- https://git.kernel.org/stable/c/bfca5fb4e97c46503ddfc582335917b0cc228264
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.318
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.202
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.140
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.280
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.64
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7