Missing Release of Resource after Effective Lifetime in Linux kernel - CVE-2026-43264
Published: May 7, 2026
Vulnerability identifier: #VU130441
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-43264
CWE-ID: CWE-772
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to a refcount leak in of_get_display_timings() when handling device tree display timing data. A local user can trigger the vulnerable error path to cause a denial of service.
How to mitigate CVE-2026-43264
Install security update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/20881ad42e651c69d89eb38a2042838187900fd6
- https://git.kernel.org/stable/c/2b22e4fe1273c24f405ed7903349c4bbd82b6368
- https://git.kernel.org/stable/c/3ed019654234edb8625c05d05e15d40f74e64f70
- https://git.kernel.org/stable/c/69290f2d3999c5fa1a7f5d5593cfc5461fa3ee64
- https://git.kernel.org/stable/c/b5bdcc5afbff845834d04d651773cb6b47db5dd3
- https://git.kernel.org/stable/c/c5734f9030a8b1e13868d1641b5163d8e659306e
- https://git.kernel.org/stable/c/d6f34bbff07476c6abb8672c89d217824871c5ed
- https://git.kernel.org/stable/c/eacf9840ae1285a1ef47eb0ce16d786e542bd4d7