Improper input validation in Linux kernel - CVE-2026-46085
Published: May 27, 2026
Vulnerability identifier: #VU132413
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-46085
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the rxkad crypto handling in rxrpc when processing a packet with a misaligned crypto length. A remote attacker can send a specially crafted packet to cause a denial of service.
How to mitigate CVE-2026-46085
Install security update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/440d20d95e844b657a93a0b2dcc2aae155efdce6
- https://git.kernel.org/stable/c/af9271eb666d07b6f65612dc160a47f7cb5220ed
- https://git.kernel.org/stable/c/def304aae2edf321d2671fd6ca766a93c21f877e
- https://git.kernel.org/stable/c/f0d3efd03b2a9e0f1ffa6df8fcb264af3d494286
- https://git.kernel.org/stable/c/f1c6bd0cc786a8fa74829ce3c4b3673944a308f4