9.8
CVSS 3.1
Няма данни
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Няма потвърждение
Атакува се
Няма данни
Време до експлоатация
Атакува се по мрежата, без особени условия, без вход и без действие от потребителя.
- Експлоатация: няма данни за експлоатация
- Атаката може да се автоматизира
Описание
Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: ksmbd: replace hardcoded hdr2_len with offsetof() in smb2_calc_max_out_buf_len() After this commit (e2b76ab8b5c9 "ksmbd: add support for read compound"), response buffer management was changed to use dynamic iov array. In the new design, smb2_calc_max_out_buf_len() expects the second argument (hdr2_len) to be the offset of ->Buffer field in the response structure, not a hardcoded magic number. Fix the remaining call sites to use the correct offsetof() value.
Засегнати продукти
- Linux Linux: f2283680a80571ca82d710bc6ecd8f8beac67d63 преди 70b4c414889492c522b6e4331562360f49be2361; 9f297df20d93411c0b4ddad7f88ba04a7cd36e77 преди 9a7166f0ef8cbb7bb48dd05e2471d995566003f5; e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d преди c3a89e3ec1ccf64fa6a34e391e1581ebbcba8683; e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d преди 6aef1765d6807e0f027cd87f6ac973eb0879a46d; e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d преди 80824c7e527b70cf9039534e60aff592e8f209d1; e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d преди 4cb537ae4f37d7d0f617815ed4bed7173fb50861; e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d преди 0e55f63dd08f09651d39e1b709a91705a8a0ddcb; 5.15.145 преди 5.15.203; 6.1.71 преди 6.1.168
- Linux Linux: 6.6; преди 6.6; 5.15.203 до 5.15.*; 6.1.168 до 6.1.*; 6.6.131 до 6.6.*; 6.12.80 до 6.12.*; 6.18.21 до 6.18.*; 6.19.11 до 6.19.*; от 7.0 нататък
Вид слабост
История
- 22 април 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-31478
- https://nvd.nist.gov/vuln/detail/CVE-2026-31478
- https://git.kernel.org/stable/c/70b4c414889492c522b6e4331562360f49be2361
- https://git.kernel.org/stable/c/9a7166f0ef8cbb7bb48dd05e2471d995566003f5
- https://git.kernel.org/stable/c/c3a89e3ec1ccf64fa6a34e391e1581ebbcba8683
- https://git.kernel.org/stable/c/6aef1765d6807e0f027cd87f6ac973eb0879a46d
- https://git.kernel.org/stable/c/80824c7e527b70cf9039534e60aff592e8f209d1
- https://git.kernel.org/stable/c/4cb537ae4f37d7d0f617815ed4bed7173fb50861
- https://git.kernel.org/stable/c/0e55f63dd08f09651d39e1b709a91705a8a0ddcb