Improper Validation of Specified Quantity in Input in Linux kernel - CVE-2026-92516

Vulnerability identifier: #VU151001

CSH Severity: Low

CVSS v4: 0 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-92516

CWE-ID: CWE-1284

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to trigger an incorrect offset warning.

The vulnerability exists due to incorrect offset validation in the BPF type format field parser when parsing BTF fields containing BPF_RES_SPIN_LOCK. A local user can provide a BTF record containing a BPF_RES_SPIN_LOCK field to trigger an incorrect offset warning.

Linux kernel
Ubuntu
linux (Ubuntu package)
linux-aws (Ubuntu package)
linux-gcp (Ubuntu package)
linux-oracle (Ubuntu package)
linux-ibm (Ubuntu package)
linux-hwe-7.0 (Ubuntu package)
linux-oem-7.0 (Ubuntu package)

Install security update from vendor's repository.

linux (Ubuntu package) - update to 7.0.0-42.42
linux-aws (Ubuntu package) - update to 7.0.0-1016.17
linux-gcp (Ubuntu package) - update to 7.0.0-1016.18
linux-oracle (Ubuntu package) - update to 7.0.0-1015.16
linux-ibm (Ubuntu package) - update to 7.0.0-1017.17
linux-hwe-7.0 (Ubuntu package) - update to 7.0.0-42.42~24.04.1
linux-oem-7.0 (Ubuntu package) - update to 7.0.0-1017.17

• https://git.kernel.org/stable/c/04e19012efaec2bfd8c3b37fd8a6c3f1fe731ffc
• https://git.kernel.org/stable/c/92356df4aa2b044b62bc7e45e0d99231af147f29
• https://git.kernel.org/stable/c/dfdce1f20a7e5e826165c556fd3367c65387e966

• Improper Validation of Specified Quantity in Input in Linux kernel bpf
• Ubuntu update for linux-oem-7.0
• Ubuntu update for linux, linux-aws, linux-gcp and more