CVE-2026-23389
MediumCVSS 5.5Exploitation Probability (EPSS)
Low risk2th percentile - higher than 2% of all known CVEs
Summary
W jądrze systemu Linux zidentyfikowano podatność związana z wyciekiem pamięci w funkcji ice_set_ringparam. Problem polega na tym, że w przypadku niepowodzenia alokacji rx_rings, tx_rings i xdp_rings pozostają niezwolnione, co prowadzi do wycieku pamięci.
Risk Assessment
Organizacje mogą doświadczyć problemów z wydajnością systemu oraz zwiększonego zużycia pamięci, co może prowadzić do destabilizacji aplikacji działających na tym jądrze.
Recommendation
Zaleca się aktualizację jądra systemu Linux do najnowszej wersji, w której wprowadzono poprawki eliminujące ten problem z wyciekiem pamięci.
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Original NVD description (English source)
In the Linux kernel, the following vulnerability has been resolved: ice: Fix memory leak in ice_set_ringparam() In ice_set_ringparam, tx_rings and xdp_rings are allocated before rx_rings. If the allocation of rx_rings fails, the code jumps to the done label leaking both tx_rings and xdp_rings. Furthermore, if the setup of an individual Rx ring fails during the loop, the code jumps to the free_tx label which releases tx_rings but leaks xdp_rings. Fix this by introducing a free_xdp label and updating the error paths to ensure both xdp_rings and tx_rings are properly freed if rx_rings allocation or setup fails. Compile tested only. Issue found using a prototype static analysis tool and code review.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

