CVE-2026-43104
MediumCVSS 5.5Summary
W jądrze Linuxa zidentyfikowano podatność związana z wyciekiem pamięci w ścieżce błędu stanu zawieszenia w funkcji vc4_save_hang_state(). W przypadku napotkania warunku wczesnego zwrotu, funkcja ta nie zwalnia wcześniej przydzielonego 'kernel_state', co prowadzi do wycieku pamięci.
Risk Assessment
Wyciek pamięci może prowadzić do zwiększonego zużycia zasobów systemowych, co w dłuższej perspektywie może wpłynąć na stabilność i wydajność systemu operacyjnego.
Recommendation
Zaleca się aktualizację jądra Linux do najnowszej wersji, aby usunąć tę podatność i zapobiec potencjalnym problemom związanym z wydajnością systemu.
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Original NVD description (English source)
In the Linux kernel, the following vulnerability has been resolved: drm/vc4: Fix a memory leak in hang state error path When vc4_save_hang_state() encounters an early return condition, it returns without freeing the previously allocated `kernel_state`, leaking memory. Add the missing kfree() calls by consolidating the early return paths into a single place.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS