#VU99804 Use-after-free in Linux kernel - CVE-2024-50121
Published: November 5, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU99804
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-2024-50121
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 nfs4_state_shutdown_net() function in fs/nfsd/nfs4state.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/f965dc0f099a54fca100acf6909abe52d0c85328
- https://git.kernel.org/stable/c/add1df5eba163a3a6ece11cb85890e2e410baaea
- https://git.kernel.org/stable/c/d5ff2fb2e7167e9483846e34148e60c0c016a1f6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.233
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.176
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.123
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.59