PT-2026-82991

CVE-2026-80691

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Published

2026-08-28

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Updated

2026-09-03

Description by

CVSS 4.0
8.2
High
MetricsAV: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.
Exploitability
Exploit
Vendors
Affected products
Related identifiers
CVE-2026-80691
AZL-98072
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