CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се локално, без особени условия, с обикновен потребителски вход и без действие от потребителя.
- Експлоатация: няма данни за експлоатация
- Атаката не може да се автоматизира
Описание
Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: netfilter: xt_nat: reject unsupported target families xt_nat SNAT and DNAT target handlers assume IP-family conntrack state is present and can dereference a NULL pointer when instantiated from an unsupported family through nft_compat. A bridge-family compat rule can therefore trigger a NULL-dereference in nf_nat_setup_info(). Reject non-IP families in xt_nat_checkentry() so unsupported targets cannot be installed. Keep NFPROTO_INET allowed for valid inet NAT compat users and leave the runtime fast path unchanged. [ The crash was fixed via 9dbba7e694ec ("netfilter: nft_compat: ebtables emulation must reject non-bridge targets"), so this patch is no longer critical. Nevertheless, NAT is only relevant for ipv4/ipv6, so this extra family check is a good idea in any case. ]
Засегнати продукти
- Linux Linux: c7232c9979cba684c50b64c513c4a83c9aa70563 преди 49abe564391411057a26a9a943c8e17867c3b9b4; c7232c9979cba684c50b64c513c4a83c9aa70563 преди 0afc9ad987c0faa80ab5f8d6e7815085ac8dbb82; c7232c9979cba684c50b64c513c4a83c9aa70563 преди 4fbc2bac02edabb665beb2aa87ca6f1e1d4c4777; c7232c9979cba684c50b64c513c4a83c9aa70563 преди a842dab87cab29f2a5798a47b2dc5e6a449950bf; c7232c9979cba684c50b64c513c4a83c9aa70563 преди e35c048d7511e9d4c2a537b8a231c49606e97c16; c7232c9979cba684c50b64c513c4a83c9aa70563 преди 679ced28a9dc2f6dc679eb05027d779693e60902; c7232c9979cba684c50b64c513c4a83c9aa70563 преди ec88fa71c82072e9189983b05b499d3507550271; c7232c9979cba684c50b64c513c4a83c9aa70563 преди 5d1a2240935ea47e2673d0ea17fdb058e4dc91dd
- Linux Linux: 3.7; преди 3.7; 5.10.261 до 5.10.*; 5.15.212 до 5.15.*; 6.1.178 до 6.1.*; 6.6.145 до 6.6.*; 6.12.97 до 6.12.*; 6.18.40 до 6.18.*; 7.1.5 до 7.1.*; от 7.2 нататък
История
- 28 август 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-80664
- https://nvd.nist.gov/vuln/detail/CVE-2026-80664
- https://git.kernel.org/stable/c/49abe564391411057a26a9a943c8e17867c3b9b4
- https://git.kernel.org/stable/c/0afc9ad987c0faa80ab5f8d6e7815085ac8dbb82
- https://git.kernel.org/stable/c/4fbc2bac02edabb665beb2aa87ca6f1e1d4c4777
- https://git.kernel.org/stable/c/a842dab87cab29f2a5798a47b2dc5e6a449950bf
- https://git.kernel.org/stable/c/e35c048d7511e9d4c2a537b8a231c49606e97c16
- https://git.kernel.org/stable/c/679ced28a9dc2f6dc679eb05027d779693e60902
- https://git.kernel.org/stable/c/ec88fa71c82072e9189983b05b499d3507550271
- https://git.kernel.org/stable/c/5d1a2240935ea47e2673d0ea17fdb058e4dc91dd