Out-of-bounds read in Linux kernel - CVE-2026-74292

Vulnerability identifier: #VU142906

CSH Severity: Low

CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-74292

CWE-ID: CWE-125

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to disclose sensitive information.

The vulnerability exists due to an out-of-bounds read in tegra_ahub_put_value_enum() in the tegra210 AHUB ASoC driver when processing a written enumerated control value. A local user can supply an out-of-range enum item value to disclose sensitive information.

Linux kernel
Ubuntu
linux-nvidia (Ubuntu package)
linux-nvidia-tegra (Ubuntu package)
linux-gcp-7.0 (Ubuntu package)
linux (Ubuntu package)
linux-oem-7.0 (Ubuntu package)
linux-azure-7.0 (Ubuntu package)
linux-azure (Ubuntu package)

Install security update from vendor's repository.

Linux kernel - update to 7.0 rc3
linux-nvidia (Ubuntu package) - addressed in versions 5.15.0-1112.113, 5.15.0.1112.112
linux-nvidia-tegra (Ubuntu package) - update to 6.8.0-1036.39+1
linux-gcp-7.0 (Ubuntu package) - addressed in versions 7.0.0-38.38~24.04.4, 7.0.0-1013.13~24.04.1, 7.0.0-1014.14~24.04.1
linux (Ubuntu package) - addressed in versions 7.0.0-38.38, 7.0.0-38.38.1, 7.0.0-1008.9, 7.0.0-1013.13~24.04.1, 7.0.0-1014.14, 7.0.0-1015.15
linux-oem-7.0 (Ubuntu package) - update to 7.0.0-1015.15
linux-azure-7.0 (Ubuntu package) - addressed in versions 7.0.0-1016.16~24.04.1, 7.0.0-1017.17~24.04.1
linux-azure (Ubuntu package) - addressed in versions 7.0.0-1016.16, 7.0.0-1017.17

• https://git.kernel.org/stable/c/1d8aabb413b5638670dfd1162169edc0ba276a2e
• https://git.kernel.org/stable/c/226d93b65f4f99b35fb7a03bdb24acb577364ebc
• https://git.kernel.org/stable/c/2ec7d16fe21c68b0879873a2abf9aac854c96134
• https://git.kernel.org/stable/c/4bcb23635d5059ee71f3fb89719ea14aada6fd59
• https://git.kernel.org/stable/c/4e45e4c2015519a39c40eb575c03b77807fb5080
• https://git.kernel.org/stable/c/964f8f9015fb117402d8d2186593397cd93388e9
• https://git.kernel.org/stable/c/e098c9c6477dfa3cb363282100108484ceba5cc5
• https://git.kernel.org/stable/c/f67d63628fe158b3a6e6b33a2b8c83ff118699d1

• Out-of-bounds read in Linux kernel soc tegra
• Ubuntu update for linux-gcp-7.0
• Ubuntu update for linux-nvidia
• Ubuntu update for linux-azure-7.0
• Ubuntu update for linux-nvidia-tegra
• Ubuntu update for linux
• Ubuntu update for linux-azure
• Ubuntu update for linux-oem-7.0