CVE-2026-23412

Katalog CVE

CVSS 7.8 · High EPSS 0,12%

Kerentanan Use After Free pada linux kernel. Skor CVSS 3.1 7.8 (High) menurut NVD.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: netfilter: bpf: defer hook memory release until rcu readers are done Yiming Qian reports UaF when concurrent process is dumping hooks via nfnetlink_hooks: BUG: KASAN: slab-use-after-free in nfnl_hook_dump_one.isra.0+0xe71/0x10f0 Read of size 8 at addr ffff888003edbf88 by task poc/79 Call Trace: <TASK> nfnl_hook_dump_one.isra.0+0xe71/0x10f0 netlink_dump+0x554/0x12b0 nfnl_hook_get+0x176/0x230 [..] Defer release until after concurrent readers have completed.

Rincian

Terbit di NVD

2 April 2026

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

7.8 (High), sumber NVD
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-416: Use After Free

EPSS (30 hari)

0,12% peluang dieksploitasi; lebih tinggi dari 1,5% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/stable/c/24f90fa3994b992d1a09003a3db2599330a5232a patch
• https://git.kernel.org/stable/c/54244d54a971c26a0cd0a9073460ff71f3c51b32 patch
• https://git.kernel.org/stable/c/c25e0dec366ae99b7264324ce3c7cbaea34691f9 patch
• https://git.kernel.org/stable/c/cb2bf5efdb02a2a59faf603604a1066e8266f349 patch
• https://git.kernel.org/stable/c/d016c216bc75c45128160593a77b864a04dbe7c0 patch