CVE-2022-2586
KEV
🔴 Łataj teraz
Błąd użycia po zwolnieniu pamięci w nftables umożliwia potencjalne wykonanie złośliwego kodu.
CVSS
5.3
EPSS
10.5%
Exploit
weaponized
Vendor
linux
Opis źródłowy (NVD)
It was discovered that a nft object or expression could reference a nft set on a different nft table, leading to a use-after-free once that table was deleted.
exploit
Brak patcha
Źródła i daty
| Źródło | Wartość |
|---|---|
| NVD – CVSS | 5.3 |
| CISA KEV (aktywnie wykorzystywane) | Tak |
| FIRST EPSS (prawdopodobieństwo exploita) | 10.5% |
| Opublikowano (NVD) | 2024-01-08 18:15:44 UTC |
| Ostatnia modyfikacja (NVD) | 2026-08-20 14:17:08 UTC |
Referencje
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2586 (security@ubuntu.com) [Third Party Advisory]
- https://lore.kernel.org/netfilter-devel/20220809170148.164591-1-cascardo@canonical.com/T/#t (security@ubuntu.com) [Mailing List, Patch]
- https://ubuntu.com/security/notices/USN-5557-1 (security@ubuntu.com) [Third Party Advisory]
- https://ubuntu.com/security/notices/USN-5560-1 (security@ubuntu.com) [Third Party Advisory]
- https://ubuntu.com/security/notices/USN-5560-2 (security@ubuntu.com) [Third Party Advisory]
- https://ubuntu.com/security/notices/USN-5562-1 (security@ubuntu.com) [Third Party Advisory]
- https://ubuntu.com/security/notices/USN-5564-1 (security@ubuntu.com) [Third Party Advisory]
- https://ubuntu.com/security/notices/USN-5565-1 (security@ubuntu.com) [Third Party Advisory]
- https://ubuntu.com/security/notices/USN-5566-1 (security@ubuntu.com) [Third Party Advisory]
- https://ubuntu.com/security/notices/USN-5567-1 (security@ubuntu.com) [Third Party Advisory]
- https://ubuntu.com/security/notices/USN-5582-1 (security@ubuntu.com) [Third Party Advisory]
- https://www.openwall.com/lists/oss-security/2022/08/09/5 (security@ubuntu.com) [Mailing List]
- https://www.zerodayinitiative.com/advisories/ZDI-22-1118/ (security@ubuntu.com) [Third Party Advisory, VDB Entry]
- https://www.vicarius.io/vsociety/posts/use-after-free-vulnerability-linked-chain-between-nft-tables-cve-2022-2586 (af854a3a-2127-422b-91ae-364da2661108) [Exploit, Third Party Advisory]
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-2586 (134c704f-9b21-4f2e-91b3-4a467353bcc0) [US Government Resource]