PT-2026-82991 · Linux · Linux Kernel
CVE-2026-80691
·
Published
2026-08-28
·
Updated
2026-08-29
CVSS v4.0
8.2
High
| Vector | AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
An issue exists in the
iblock execute pr out() function where the PRO PREEMPT, PRO PREEMPT AND ABORT, and PRO RELEASE operations perform callback capability checks via ops->pr clear. An incorrect error check allows unimplemented hooks to proceed, leading to the dereferencing of a NULL function pointer.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
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Related Identifiers
Affected Products
Linux Kernel