CVE-2026-43074

Katalog CVE

CVSS 7.8 · High EPSS 0,18%

Kerentanan Missing Release of Memory after Effective Lifetime pada linux kernel. Skor CVSS 3.1 7.8 (High) menurut CNA.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: eventpoll: defer struct eventpoll free to RCU grace period In certain situations, ep_free() in eventpoll.c will kfree the epi->ep eventpoll struct while it still being used by another concurrent thread. Defer the kfree() to an RCU callback to prevent UAF.

Rincian

Terbit di NVD

6 Mei 2026

Terakhir diubah

17 Juni 2026

Status NVD

Modified

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

Jenis kelemahan (CWE)

CWE-401: Missing Release of Memory after Effective Lifetime

EPSS (30 hari)

0,18% peluang dieksploitasi; lebih tinggi dari 6,6% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/stable/c/07712db80857d5d09ae08f3df85a708ecfc3b61f patch
• https://git.kernel.org/stable/c/5b1173b165421561db29f30afc7e97d940a398a9 patch
• https://git.kernel.org/stable/c/7e8083f5eeedab0f460063b9c2c14c9a4e71a427 patch
• https://git.kernel.org/stable/c/a6566cd33f6f967a7651ebf2ce0dd31572e319cf patch
• https://git.kernel.org/stable/c/ae0bb9c1fb7c2594519aeeb096cf2c3b7837b322 patch
• https://git.kernel.org/stable/c/902120be4f44947df6311002addc7faf69bdbff1
• https://git.kernel.org/stable/c/a6d57084372161f86660bc4607784420e00efe2c