CVE-2026-53153
HighExploitation Probability (EPSS)
Low risk1th percentile - higher than 1% of all known CVEs
Summary
W jądrze Linux wykryto podatność w mechanizmie list_lru podczas reparentingu (przenoszenia) list między grupami cgroup. Błąd polega na tym, że wpis w tablicy xarray dla umierającej grupy memcg jest usuwany przed opróżnieniem jej list per-węzeł, co umożliwia równoczesnym operacjom list_lru_del() działanie na tych samych elementach pod różnymi blokadami, prowadząc do uszkodzenia struktury listy.
Risk Assessment
Ryzyko polega na możliwym uszkodzeniu pamięci jądra (kernel memory corruption) w wyniku wyścigu (race condition), co może prowadzić do niestabilności systemu, awarii (kernel panic) lub potencjalnie do eskalacji uprawnień.
Recommendation
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