Use-after-free in Linux kernel - CVE-2023-52846
Published: June 4, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU91055
CSH Severity: 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-2023-52846
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 prp_create_tagged_frame() function in net/hsr/hsr_forward.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/ddf4e04e946aaa6c458b8b6829617cc44af2bffd
- https://git.kernel.org/stable/c/a1a485e45d24b1cd8fe834fd6f1b06e2903827da
- https://git.kernel.org/stable/c/6086258bd5ea7b5c706ff62da42b8e271b2401db
- https://git.kernel.org/stable/c/1787b9f0729d318d67cf7c5a95f0c3dba9a7cc18
- https://git.kernel.org/stable/c/d103fb6726904e353b4773188ee3d3acb4078363
- https://git.kernel.org/stable/c/876f8ab52363f649bcc74072157dfd7adfbabc0d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.201
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.139
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.63
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7