CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се от съседна мрежа, без особени условия, без 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: tap: free page on error paths in tap_get_user_xdp() tap_get_user_xdp() rejects a frame shorter than ETH_HLEN with -EINVAL, and returns -ENOMEM when build_skb() fails. Both paths jump to the err label without freeing the page that vhost_net_build_xdp() allocated for the frame. tap_sendmsg() discards the per-buffer return value and always returns 0, so vhost_tx_batch() takes the success path and never frees the page; each rejected frame in a batch leaks one page-frag chunk. Free the page on both error paths, before the skb is built. This is the tap counterpart of the same leak in tun_xdp_one().
Засегнати продукти
- Linux Linux: 0efac27791ee068075d80f07c55a229b1335ce12 преди 8d03e65eb6cfbffec471a6b65416f93679bf3286; 0efac27791ee068075d80f07c55a229b1335ce12 преди f979971835dddbca86cf99e3b2e2b94a408a1ab2; 0efac27791ee068075d80f07c55a229b1335ce12 преди 3f52a86a482a69294c50a5a2a097bd6f4104990a; 0efac27791ee068075d80f07c55a229b1335ce12 преди d30aac0fa00ca0afc3e08174cf7f974a66bdcf05; 0efac27791ee068075d80f07c55a229b1335ce12 преди d68eab61944a9b0826fa2e954e42db1aa3201b7a; 0efac27791ee068075d80f07c55a229b1335ce12 преди e27c17346628cb56843a83f93ac63c314c00f388; 0efac27791ee068075d80f07c55a229b1335ce12 преди 18a84c35842e19cd3c5534d8cee73d31863f696d; 0efac27791ee068075d80f07c55a229b1335ce12 преди 3bcf7aec6a9d16438f2cec29f5d7c8d5b8edf9b2
- Linux Linux: 4.20; преди 4.20; 5.10.259 до 5.10.*; 5.15.210 до 5.15.*; 6.1.176 до 6.1.*; 6.6.143 до 6.6.*; 6.12.94 до 6.12.*; 6.18.36 до 6.18.*; 7.0.12 до 7.0.*; от 7.1 нататък
- Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem: всички версии
Вид слабост
История
- 9 юни 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-46320
- https://nvd.nist.gov/vuln/detail/CVE-2026-46320
- https://git.kernel.org/stable/c/8d03e65eb6cfbffec471a6b65416f93679bf3286
- https://git.kernel.org/stable/c/f979971835dddbca86cf99e3b2e2b94a408a1ab2
- https://git.kernel.org/stable/c/3f52a86a482a69294c50a5a2a097bd6f4104990a
- https://git.kernel.org/stable/c/d30aac0fa00ca0afc3e08174cf7f974a66bdcf05
- https://git.kernel.org/stable/c/d68eab61944a9b0826fa2e954e42db1aa3201b7a
- https://git.kernel.org/stable/c/e27c17346628cb56843a83f93ac63c314c00f388
- https://git.kernel.org/stable/c/18a84c35842e19cd3c5534d8cee73d31863f696d
- https://git.kernel.org/stable/c/3bcf7aec6a9d16438f2cec29f5d7c8d5b8edf9b2
- https://cert-portal.siemens.com/productcert/html/ssa-784472.html