CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се по мрежата, 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: SUNRPC: svcauth_gss: avoid NULL deref on zero length gss_token in gss_read_proxy_verf A zero length gss_token results in pages == 0 and in_token->pages[0] is NULL. The code unconditionally evaluates page_address(in_token->pages[0]) for the initial memcpy, which can dereference NULL even when the copy length is 0. Guard the first memcpy so it only runs when length > 0.
Засегнати продукти
- Linux Linux: 5866efa8cbfbadf3905072798e96652faf02dbe8 преди a8f1e445ce3545c90d69c9e8ff8f7821825fe810; 5866efa8cbfbadf3905072798e96652faf02dbe8 преди 4dedb6a11243a5c9eb9dbb97bca3c98bd725e83d; 5866efa8cbfbadf3905072798e96652faf02dbe8 преди f9e53f69ac3bc4ef568b08d3542edac02e83fefd; 5866efa8cbfbadf3905072798e96652faf02dbe8 преди 7452d53f293379e2c38cfa8ad0694aa46fc4788b; 5866efa8cbfbadf3905072798e96652faf02dbe8 преди a2c6f25ab98b423f99ccd94874d655b8bcb01a19; 5866efa8cbfbadf3905072798e96652faf02dbe8 преди 1c8bb965e9b0559ff0f5690615a527c30f651dd8; 5866efa8cbfbadf3905072798e96652faf02dbe8 преди d4b69a6186b215d2dc1ebcab965ed88e8d41768d; 66ed7b413d31c6ff23901ac4443b1cc1af2f6113; 7be8c165dc81564705e8e0b72d398ef708f67eaa; 4.19.99 преди 4.20; 5.4.15 преди 5.5
- Linux Linux: 5.5; преди 5.5; 5.10.248 до 5.10.*; 5.15.198 до 5.15.*; 6.1.160 до 6.1.*; 6.6.120 до 6.6.*; 6.12.64 до 6.12.*; 6.18.3 до 6.18.*; от 6.19 нататък
Siemens: още 3 продукта, добавени от Siemens
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP, SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP, SIPLUS S7-1500 CPU 1518-4 PN/DP MFP
Вид слабост
История
- 14 януари 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2025-71120
- https://nvd.nist.gov/vuln/detail/CVE-2025-71120
- https://git.kernel.org/stable/c/a8f1e445ce3545c90d69c9e8ff8f7821825fe810
- https://git.kernel.org/stable/c/4dedb6a11243a5c9eb9dbb97bca3c98bd725e83d
- https://git.kernel.org/stable/c/f9e53f69ac3bc4ef568b08d3542edac02e83fefd
- https://git.kernel.org/stable/c/7452d53f293379e2c38cfa8ad0694aa46fc4788b
- https://git.kernel.org/stable/c/a2c6f25ab98b423f99ccd94874d655b8bcb01a19
- https://git.kernel.org/stable/c/1c8bb965e9b0559ff0f5690615a527c30f651dd8
- https://git.kernel.org/stable/c/d4b69a6186b215d2dc1ebcab965ed88e8d41768d
- https://cert-portal.siemens.com/productcert/html/ssa-019113.html
- https://cert-portal.siemens.com/productcert/html/ssa-457936.html