NULL pointer dereference in Linux kernel - CVE-2026-46127
Published: May 29, 2026
Vulnerability identifier: #VU133062
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-2026-46127
CWE-ID: CWE-476
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 null pointer dereference in ocrdma_copy_pd_uresp() when handling error conditions. A local user can trigger an error path to cause a denial of service.
How to mitigate CVE-2026-46127
Install security update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/34fbf48cf3b410d2a6e8c586fa952a36331ca5ba
- https://git.kernel.org/stable/c/75fc130664ae324e7b2f9ad3630e0f175e9ca6c8
- https://git.kernel.org/stable/c/8832626a483439e207734e027afff322ccdf726e
- https://git.kernel.org/stable/c/e01a957561f663d3b68d2fd233a4502e3367efcd
- https://git.kernel.org/stable/c/ec44c00a4fe1327efa35083f98b39c01cb535a51