#VU94326 Use-after-free in Linux kernel - CVE-2023-52885
Published: July 14, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU94326
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-52885
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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.
External links
- 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