Critical severity9.8NVD Advisory· Published Aug 15, 2026· Updated Aug 17, 2026
CVE-2026-74433
CVE-2026-74433
Description
In the Linux kernel, the following vulnerability has been resolved:
rxrpc: Fix UAF in rxgk_issue_challenge()
Fix rxgk_issue_challenge() to free the page containing the challenge content after invoking the tracepoint as the whdr passed to the tracepoint points into the page just freed.
Affected products
2Patches
Vulnerability mechanics
References
3News mentions
1- Linux Kernel: 25 Vulnerabilities Across Subsystems Patched in Single Disclosure EventVypr Intelligence · Aug 15, 2026