Vulnerabilidades en Linux

17.280 resultados
Análisis Vexday

Com 12.630 CVEs catalogadas e 1.872 novas entradas nos últimos 90 dias, o Linux apresenta um volume de vulnerabilidades consistente com sua ampla base de código e adoção global. A taxa de exploração ativa — apenas 9 entradas no CISA KEV, representando 0,07% do total — está abaixo da média geral do catálogo (0,45%), o que sugere que, apesar da superfície de ataque extensa, a conversão de vulnerabilidades em ameaças ativas e confirmadas permanece relativamente contida. Ainda assim, a CVE-2026-31431 merece atenção prioritária: com EPSS de 0,9678, a probabilidade de exploração ativa é elevada, e seu status no KEV indica que esse risco já se concretizou. A falha mais comum — CWE-476 (desreferência de ponteiro nulo) — é representativa da complexidade inerente ao desenvolvimento em nível de kernel e reforça a necessidade de triagem contínua, especialmente diante das 23 vulnerabilidades com PoC pública disponível.

CVE-2026-74745HIGHeth: bnxt: avoid deadlock when canceling IRQ affinity notifierEPSS 0.5%CVE-2026-72202HIGHntfs: avoid heap allocation for free-cluster readahead stateEPSS 0.5%CVE-2026-89664HIGHnfsd: release OPEN-decoded posix ACLs via op_releaseEPSS 0.5%CVE-2026-89695HIGHnfsd: cap decoded POSIX ACL count to bound sort costEPSS 0.5%CVE-2026-63955HIGHmm/vmalloc: do not trigger BUG() on BH disabled contextEPSS 0.5%CVE-2026-74750HIGHovpn: defer key slot crypto freeing to workqueueEPSS 0.5%CVE-2026-90234HIGHNFS: Return a delegation the client fails to recordEPSS 0.5%CVE-2019-14815HIGHA vulnerability was found in Linux Kernel, where a Heap Overflow was found in mwifiex_set_wmm_params() function of Marvell Wifi Driver.EPSS 0.5%CVE-2026-43385HIGHnet: Fix rcu_tasks stall in threaded busypollEPSS 0.5%CVE-2025-22074HIGHksmbd: fix r_count dec/increment mismatchEPSS 0.5%CVE-2023-53629CRITICALfs: dlm: fix use after free in midcomms commitEPSS 0.5%CVE-2025-21954CRITICALnetmem: prevent TX of unreadable skbsEPSS 0.5%CVE-2025-21955HIGHksmbd: prevent connection release during oplock break notificationEPSS 0.5%CVE-2025-21927CRITICALnvme-tcp: fix potential memory corruption in nvme_tcp_recv_pdu()EPSS 0.5%CVE-2026-43253HIGHiommu/amd: move wait_on_sem() out of spinlockEPSS 0.5%CVE-2023-52480CRITICALksmbd: fix race condition between session lookup and expireEPSS 0.5%CVE-2022-3643—Guests can trigger NIC interface reset/abort/crash via netback It is possible for a guest to trigger a NIC interface reset/abort/crash in a EPSS 0.5%CVE-2025-71120HIGHSUNRPC: svcauth_gss: avoid NULL deref on zero length gss_token in gss_read_proxy_verfEPSS 0.5%CVE-2025-21707CRITICALmptcp: consolidate suboption statusEPSS 0.5%CVE-2022-49149CRITICALrxrpc: Fix call timer start racing with call destructionEPSS 0.5%