Vulnerabilità per vendor · aggiornato a ogni pubblicazione
Vulnerabilità Linux kernel: CVE sfruttate e nostre analisi
Linux kernel ha 31 vulnerabilità nel catalogo CISA Known Exploited Vulnerabilities, 8 delle quali aggiunte negli ultimi 12 mesi e 2 note per l'uso in campagne ransomware. Qui sotto: le 5 analisi pubblicate da Zero Hunt Research sui prodotti Linux kernel, poi le voci del catalogo dalla più recente, con la scadenza federale.
Catalogo CISA versione 2026.10.21, pubblicato il 2026-10-21 14:04 UTC.
31
CVE in CISA KEV
8
Aggiunte negli ultimi 12 mesi
2
Uso noto nel ransomware
5
Analisi Zero Hunt
Prodotti con più voci nel KEV: Kernel (31)
Le nostre analisi delle vulnerabilità Linux kernel
2026-09-21
Privilege escalation nel kernel Linux: 3 falle nella KEV, 4 exploit root pubbliciLa privilege escalation nel kernel Linux è in piena esplosione: tre falle nella KEV di CISA con scadenza federale oggi, e quattro exploit root pubblici appena usciti. Come rimediare.
2026-08-07
Zapscape (CVE-2026-64561): escape da guest a host in KVM, patch e detectionZapscape, CVE-2026-64561, è un use-after-free nella shadow MMU di KVM che porta dal kernel della guest al root sull'host: il terzo escape lì da maggio.
2026-07-25
RefluXFS (CVE-2026-64600): un'IA ha trovato il bug root del kernel Linux invisibile da nove anniRefluXFS (CVE-2026-64600) è una race XFS reflink che dà root a un utente locale su ~16,4M sistemi RHEL, sotto SELinux e KASLR — e a trovarla è stata Claude, non un umano.
2026-07-05
Bad Epoll (CVE-2026-46242): una race di 6 istruzioni che dà root a qualsiasi utente LinuxBad Epoll (CVE-2026-46242) è un use-after-free del kernel Linux che dà root a qualsiasi utente non privilegiato — su server e su Android. La patch esisteva da aprile ma è rimasta muta per 70 giorni. Ecco il runbook di remediation.
2026-06-29
pedit COW e DirtyClone: due LPE Linux sulla page cache e perché 'locale' significa root nel 2026Due bug del kernel Linux sulla page cache — pedit COW (CVE-2026-46331) e DirtyClone (CVE-2026-43503) — trasformano un foothold in container in root. Perché la privilege escalation locale è il breakout del 2026.
Tutte le 31 voci KEV
| Aggiunta | CVE | Prodotto e vulnerabilità | Scadenza federale | Segnalazioni | Nostra analisi |
|---|---|---|---|---|---|
| 2026-09-18 | CVE-2026-53266 | Kernel Linux Kernel contains an out-of-bounds write vulnerability in the ebtables SNAT target which allows an ARP sender hardware address rewrite to write directly into a nonlinear socket-buffer fragment backed by a splice-i… | 2026-09-21 | Triage forense | Leggi → |
| 2026-09-18 | CVE-2025-39964 | Kernel Linux Kernel contains a race condition vulnerability which allows concurrent writes to the same AF_ALG socket causing data to be unpredictably interleaved and creating inconsistencies in the socket's internal state. | 2026-09-21 | Triage forense | — |
| 2026-09-18 | CVE-2025-39682 | Kernel Linux Kernel contains an improper check for unusual or exceptional conditions vulnerability in the TLS receive path which allows a zero-length record retrieved from the rx_list to bypass the intended recvmsg() record-… | 2026-09-21 | Triage forense | — |
| 2026-08-27 | CVE-2026-53362 | Kernel Linux Kernel contains an unspecified vulnerability that can allow for privilege escalation via IPv6 networking subsystem. This vulnerability can impact multiple products, including but not limited to Suse, Red Hat, an… | 2026-08-30 | Triage forense | — |
| 2026-08-26 | CVE-2022-0995 | Kernel Linux Kernel contains an out-of-bounds memory write vulnerability which could allow a local user to gain privileged access or cause a denial of service on the system. | 2026-08-29 | Triage forense | — |
| 2026-06-02 | CVE-2022-0492 | Kernel Linux Kernel contains an improper authentication vulnerability which could allow for privilege escalation via the cgroups v1 release_agent feature. | 2026-06-05 | — | |
| 2026-05-01 | CVE-2026-31431 | Kernel Linux Kernel contains an incorrect resource transfer between spheres vulnerability that could allow for privilege escalation. | 2026-05-15 | — | |
| 2026-01-26 | CVE-2018-14634 | Kernel Linux Kernel contains an integer overflow vulnerability in the create_elf_tables() function which could allow an unprivileged local user with access to SUID (or otherwise privileged) binary to escalate their privilege… | 2026-02-16 | — | |
| 2025-10-06 | CVE-2021-22555 | Kernel Linux Kernel contains a heap out-of-bounds write vulnerability that could allow an attacker to gain privileges or cause a DoS (via heap memory corruption) through user name space. | 2025-10-27 | — | |
| 2025-09-04 | CVE-2025-38352 | Kernel Linux kernel contains a time-of-check time-of-use (TOCTOU) race condition vulnerability that has a high impact on confidentiality, integrity, and availability. | 2025-09-25 | — | |
| 2025-06-17 | CVE-2023-0386 | Kernel Linux Kernel contains an improper ownership management vulnerability, where unauthorized access to the execution of the setuid file with capabilities was found in the Linux kernel’s OverlayFS subsystem in how a user c… | 2025-07-08 | — | |
| 2025-04-09 | CVE-2024-53197 | Kernel Linux Kernel contains an out-of-bounds access vulnerability in the USB-audio driver that allows an attacker with physical access to the system to use a malicious USB device to potentially manipulate system memory, esc… | 2025-04-30 | — | |
| 2025-04-09 | CVE-2024-53150 | Kernel Linux Kernel contains an out-of-bounds read vulnerability in the USB-audio driver that allows a local, privileged attacker to obtain potentially sensitive information. | 2025-04-30 | — | |
| 2025-03-04 | CVE-2024-50302 | Kernel The Linux kernel contains a use of uninitialized resource vulnerability that allows an attacker to leak kernel memory via a specially crafted HID report. | 2025-03-25 | — | |
| 2025-02-05 | CVE-2024-53104 | Kernel Linux kernel contains an out-of-bounds write vulnerability in the uvc_parse_streaming component of the USB Video Class (UVC) driver that could allow for physical escalation of privilege. | 2025-02-26 | — | |
| 2024-09-09 | CVE-2017-1000253 | Kernel Linux kernel contains a position-independent executable (PIE) stack buffer corruption vulnerability in load_elf_ binary() that allows a local attacker to escalate privileges. | 2024-09-30 | Ransomware | — |
| 2024-08-21 | CVE-2022-0185 | Kernel Linux kernel contains a heap-based buffer overflow vulnerability in the legacy_parse_param function in the Filesystem Context functionality. This allows an attacker to open a filesystem that does not support the Files… | 2024-09-11 | — | |
| 2024-06-26 | CVE-2022-2586 | Kernel Linux Kernel contains a use-after-free vulnerability in the nft_object, allowing local attackers to escalate privileges. | 2024-07-17 | — | |
| 2024-05-30 | CVE-2024-1086 | Kernel Linux kernel contains a use-after-free vulnerability in the netfilter: nf_tables component that allows an attacker to achieve local privilege escalation. | 2024-06-20 | Ransomware | — |
| 2023-05-12 | CVE-2014-0196 | Kernel Linux Kernel contains a race condition vulnerability within the n_tty_write function that allows local users to cause a denial-of-service (DoS) or gain privileges via read and write operations with long strings. | 2023-06-02 | — | |
| 2023-05-12 | CVE-2010-3904 | Kernel Linux Kernel contains an improper input validation vulnerability in the Reliable Datagram Sockets (RDS) protocol implementation that allows local users to gain privileges via crafted use of the sendmsg and recvmsg sys… | 2023-06-02 | — | |
| 2023-03-30 | CVE-2023-0266 | Kernel Linux kernel contains a use-after-free vulnerability that allows for privilege escalation to gain ring0 access from the system user. | 2023-04-20 | — | |
| 2022-10-20 | CVE-2021-3493 | Kernel The overlayfs stacking file system in Linux kernel does not properly validate the application of file capabilities against user namespaces, which could lead to privilege escalation. | 2022-11-10 | — | |
| 2022-09-15 | CVE-2013-6282 | Kernel The get_user and put_user API functions of the Linux kernel fail to validate the target address when being used on ARM v6k/v7 platforms. This allows an application to read and write kernel memory which could lead to p… | 2022-10-06 | — | |
| 2022-09-15 | CVE-2013-2596 | Kernel Linux kernel fb_mmap function in drivers/video/fbmem.c contains an integer overflow vulnerability that allows for privilege escalation. | 2022-10-06 | — | |
| 2022-09-15 | CVE-2013-2094 | Kernel Linux kernel fails to check all 64 bits of attr.config passed by user space, resulting to out-of-bounds access of the perf_swevent_enabled array in sw_perf_event_destroy(). Explotation allows for privilege escalation. | 2022-10-06 | — | |
| 2022-05-25 | CVE-2014-3153 | Kernel The futex_requeue function in kernel/futex.c in Linux kernel does not ensure that calls have two different futex addresses, which allows local users to gain privileges. | 2022-06-15 | — | |
| 2022-04-25 | CVE-2022-0847 | Kernel Linux kernel contains an improper initialization vulnerability where an unprivileged local user could escalate their privileges on the system. This vulnerability has the moniker of "Dirty Pipe." | 2022-05-16 | — | |
| 2022-04-11 | CVE-2021-22600 | Kernel Linux Kernel contains a flaw in the packet socket (AF_PACKET) implementation which could lead to incorrectly freeing memory. A local user could exploit this for denial-of-service (DoS) or possibly for privilege escala… | 2022-05-02 | — | |
| 2022-03-03 | CVE-2016-5195 | Kernel Race condition in mm/gup.c in the Linux kernel allows local users to escalate privileges. | 2022-03-24 | — | |
| 2021-12-10 | CVE-2019-13272 | Kernel Kernel/ptrace.c in Linux kernel mishandles contains an improper privilege management vulnerability that allows local users to obtain root access. | 2022-06-10 | — |
Fonte: catalogo CISA Known Exploited Vulnerabilities (dati pubblici). Le descrizioni sono di CISA, abbreviate. Verifica sempre l'advisory del vendor prima di intervenire. cisa.gov
Prima della patch: tre verifiche
- 01Confronta la versione e la configurazione esatte che usi con l'advisory del vendor. Avere il prodotto non significa essere esposti.
- 02Verifica la raggiungibilità: una falla sfruttata su un'interfaccia raggiungibile da internet, o da una postazione compromessa, passa in testa alla coda.
- 03Dove CISA indica il triage forense, oltre alla patch cerca tracce di compromissione: la correzione non elimina un attaccante entrato prima.
Domande
Quante vulnerabilità Linux kernel ci sono nel catalogo CISA KEV?
31 nella versione 2026.10.21 del catalogo, la prima aggiunta il 2021-12-10 e la più recente il 2026-09-18. 8 sono state aggiunte negli ultimi 12 mesi.
Quali prodotti Linux kernel hanno più vulnerabilità sfruttate?
Per numero di voci KEV: Kernel (31).
Le vulnerabilità Linux kernel sono usate negli attacchi ransomware?
CISA indica 2 delle 31 voci Linux kernel come note per l'uso in campagne ransomware. Nella tabella sono segnalate.
La prossima CVE Linux kernel è sfruttabile nella tua rete?
Una voce KEV dice che una vulnerabilità è sfruttata da qualche parte. Zero Hunt risponde se è sfruttabile nel tuo ambiente: un red team AI autonomo su un'appliance on-premise, con AI privata, in black box o gray box e con una persona che approva ogni passo che conta.
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