Improper Check or Handling of Exceptional Conditions in Linux kernel - CVE-2026-46010

Vulnerability identifier: #VU132486

CSH Severity: Low

CVSS v4: 6.8 [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]

CVE-ID: CVE-2026-46010

CWE-ID: CWE-703

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to improper error handling in rxgk_extract_token() when processing token data. A local user can trigger an -ENOMEM condition to cause a denial of service.

Linux kernel
Ubuntu
linux (Ubuntu package)
linux-azure (Ubuntu package)
linux-nvidia (Ubuntu package)
linux-raspi (Ubuntu package)

Install security update from vendor's repository.

Linux kernel - update to 7.0 rc3
linux (Ubuntu package) - update to 7.0.0-27.27
linux-azure (Ubuntu package) - addressed in versions 7.0.0-1009.9, 7.0.0-1010.10
linux-nvidia (Ubuntu package) - update to 7.0.0-1013.13
linux-raspi (Ubuntu package) - update to 7.0.0-1014.14

• https://git.kernel.org/stable/c/293095ef618818852bac5488c1bc223935e2ca17
• https://git.kernel.org/stable/c/3476c8bb960f48e49355d6f93fb7673211e0163f
• https://git.kernel.org/stable/c/c52803e925604e2a17962ab0c99dce2d3f7238db

• Improper Check or Handling of Exceptional Conditions in Linux kernel rxrpc
• Ubuntu update for linux
• Ubuntu update for linux-raspi
• Ubuntu update for linux-nvidia
• Ubuntu update for linux-azure