CVE-2026-74595

Katalog CVE

CVSS 7.8 · High EPSS 0,09%

Skor CVSS 3.1 7.8 (High) menurut CNA.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

22 Agustus 2026

Terakhir diubah

25 Agustus 2026

Status NVD

Received

CVSS 3.1

7.8 (High), sumber CNA
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

EPSS (30 hari)

0,09% peluang dieksploitasi; lebih tinggi dari 0,5% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://git.kernel.org/stable/c/0baeb730044981f5ec5fb7d62a3763835ea606f6
• https://git.kernel.org/stable/c/174633a468817a49bd474bcfc9067c84e54efe68
• https://git.kernel.org/stable/c/33b7e810ce09955aa02f3b632455cf5e7ac990a9
• https://git.kernel.org/stable/c/653e888a24c87b8bbeab44d7e558a1c1a3641088
• https://git.kernel.org/stable/c/6a67c460b12315033268dce597546984fe5739e7
• https://git.kernel.org/stable/c/98516ba8b817f34e86bdd7a5b7a383cff75c3ddf
• https://git.kernel.org/stable/c/cf6c993c0feca7984797e634deba3c80342e199a