#VU73766 Double Free in Linux kernel - CVE-2023-26545
Published: March 16, 2023
Vulnerability identifier: #VU73766
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-2023-26545
CWE-ID: CWE-415
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 double free in net/mpls/af_mpls.c during the renaming of a device. A local user can trigger a double free error and execute arbitrary code with elevated privileges.
Remediation
Install updates from vendor's website.
External links
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.13
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fda6c89fe3d9aca073495a664e1d5aea28cd4377
- https://github.com/torvalds/linux/commit/fda6c89fe3d9aca073495a664e1d5aea28cd4377
- https://security.netapp.com/advisory/ntap-20230316-0009/