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: fscrypt: use the mount idmap for the owner check in fscrypt_ioctl_set_policy() fscrypt_ioctl_set_policy() calls inode_owner_or_capable() with &nop_mnt_idmap before allowing an encryption policy to be set, instead of the idmap of the mount the ioctl was issued on. fscrypt is used by filesystems that support idmapped mounts (e.g. ext4, f2fs), so on such a mount this compares the caller's fsuid against the unmapped on-disk owner rather than the mapped owner: the actual owner can be wrongly denied with -EACCES and an unrelated caller wrongly allowed. Use file_mnt_idmap(filp) instead.
Засегнати продукти
- Linux Linux: 14f3db5542e62bcf6fe088a09760ac52d55306c5 преди 174633a468817a49bd474bcfc9067c84e54efe68; 14f3db5542e62bcf6fe088a09760ac52d55306c5 преди 0baeb730044981f5ec5fb7d62a3763835ea606f6; 14f3db5542e62bcf6fe088a09760ac52d55306c5 преди 33b7e810ce09955aa02f3b632455cf5e7ac990a9; 14f3db5542e62bcf6fe088a09760ac52d55306c5 преди 6a67c460b12315033268dce597546984fe5739e7; 14f3db5542e62bcf6fe088a09760ac52d55306c5 преди 653e888a24c87b8bbeab44d7e558a1c1a3641088; 14f3db5542e62bcf6fe088a09760ac52d55306c5 преди 98516ba8b817f34e86bdd7a5b7a383cff75c3ddf; 14f3db5542e62bcf6fe088a09760ac52d55306c5 преди cf6c993c0feca7984797e634deba3c80342e199a
- Linux Linux: 5.12; преди 5.12; 5.15.217 до 5.15.*; 6.1.184 до 6.1.*; 6.6.152 до 6.6.*; 6.12.104 до 6.12.*; 6.18.45 до 6.18.*; 7.1.9 до 7.1.*; 7.2 до *
История
- 22 август 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-74595
- https://nvd.nist.gov/vuln/detail/CVE-2026-74595
- https://git.kernel.org/stable/c/174633a468817a49bd474bcfc9067c84e54efe68
- https://git.kernel.org/stable/c/0baeb730044981f5ec5fb7d62a3763835ea606f6
- https://git.kernel.org/stable/c/33b7e810ce09955aa02f3b632455cf5e7ac990a9
- https://git.kernel.org/stable/c/6a67c460b12315033268dce597546984fe5739e7
- https://git.kernel.org/stable/c/653e888a24c87b8bbeab44d7e558a1c1a3641088
- https://git.kernel.org/stable/c/98516ba8b817f34e86bdd7a5b7a383cff75c3ddf
- https://git.kernel.org/stable/c/cf6c993c0feca7984797e634deba3c80342e199a