CVE-2026-43452

Katalog CVE

CVSS 8.2 · High EPSS 0,63%

Kerentanan pada linux kernel. Skor CVSS 3.1 8.2 (High) menurut CNA.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: netfilter: x_tables: guard option walkers against 1-byte tail reads When the last byte of options is a non-single-byte option kind, walkers that advance with i += op[i + 1] ? : 1 can read op[i + 1] past the end of the option area. Add an explicit i == optlen - 1 check before dereferencing op[i + 1] in xt_tcpudp and xt_dccp option walkers.

Rincian

Terbit di NVD

8 Mei 2026

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

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

EPSS (30 hari)

0,63% peluang dieksploitasi; lebih tinggi dari 48,9% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/stable/c/5b18b8b35c7cded2d17b2b2604c9b0694ff48d1c patch
• https://git.kernel.org/stable/c/9b94f0e42ed248eb31929da84ed9f5310d7ff540 patch
• https://git.kernel.org/stable/c/ae1e1267650638136b84c23f2b31250f0ccb6823 patch
• https://git.kernel.org/stable/c/bc18551c6169eac5ed813778d3e3e484002dbbe5 patch
• https://git.kernel.org/stable/c/c2a445367a496a3c25dbc940c10c8bd1cfd4c14a patch
• https://git.kernel.org/stable/c/c39f84e4be1be63fc60ca7141ea7b76edcea5907 patch
• https://git.kernel.org/stable/c/cfe770220ac2dbd3e104c6b45094037455da81d4 patch
• https://git.kernel.org/stable/c/d04800323336eebf441d153f43234eac9b833d36 patch