SB2024071401 - Use-after-free in Linux kernel sunrpc
Published: July 14, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024071401
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-2023-52885)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the svc_tcp_listen_data_ready() function in net/sunrpc/svcsock.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/c7b8c2d06e437639694abe76978e915cfb73f428
- https://git.kernel.org/stable/c/dfc896c4a75cb8cd7cb2dfd9b469cf1e3f004254
- https://git.kernel.org/stable/c/42725e5c1b181b757ba11d804443922982334d9b
- https://git.kernel.org/stable/c/cd5ec3ee52ce4b7e283cc11facfa420c297c8065
- https://git.kernel.org/stable/c/fbf4ace39b2e4f3833236afbb2336edbafd75eee
- https://git.kernel.org/stable/c/ef047411887ff0845afd642d6a687819308e1a4e
- https://git.kernel.org/stable/c/7e1f989055622fd086c5dfb291fc72adf5660b6f
- https://git.kernel.org/stable/c/fc80fc2d4e39137869da3150ee169b40bf879287
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.322
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.291
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.188
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.121
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.251
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.39
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5