CVE-2026-31551
MediumSummary
W jądrze Linuxa naprawiono podatność związaną z funkcją static_branch_dec() w kontekście aql_disable. Zgłoszenie syzbot ujawniło problem z niedoborem w aql_enable_write(), który nie synchronizuje równoczesnych zapisów do debug.
Risk Assessment
Brak synchronizacji równoczesnych zapisów może prowadzić do nieprzewidywalnych zachowań systemu, co stwarza ryzyko destabilizacji i potencjalnych awarii.
Recommendation
Zaleca się aktualizację jądra Linuxa do najnowszej wersji, aby usunąć tę podatność i zapewnić stabilność systemu.
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Original NVD description (English source)
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Fix static_branch_dec() underflow for aql_disable. syzbot reported static_branch_dec() underflow in aql_enable_write(). [0] The problem is that aql_enable_write() does not serialise concurrent write()s to the debu
Vulnerability data from NVD (NIST) · CISA KEV · EPSS