CVE-2026-31430

Katalog CVE

CVSS 7.1 · High EPSS 0,11%

Kerentanan Out-of-bounds Read pada linux kernel. Skor CVSS 3.1 7.1 (High) menurut NVD.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: X.509: Fix out-of-bounds access when parsing extensions Leo reports an out-of-bounds access when parsing a certificate with empty Basic Constraints or Key Usage extension because the first byte of the extension is read before checking its length. Fix it. The bug can be triggered by an unprivileged user by submitting a specially crafted certificate to the kernel through the keyrings(7) API. Leo has demonstrated this with a proof-of-concept program responsibly disclosed off-list.

Rincian

Terbit di NVD

20 April 2026

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-125: Out-of-bounds Read

EPSS (30 hari)

0,11% peluang dieksploitasi; lebih tinggi dari 1,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/stable/c/206121294b9cf27f0589857f80d64f87e496ffb2 patch
• https://git.kernel.org/stable/c/30ab358fad0c7daa1d282ec48089901b21b36a20 patch
• https://git.kernel.org/stable/c/672b526def1f94c1be8eb11b885b803da0d8c2f1 patch
• https://git.kernel.org/stable/c/7fb4dadc2734f4020d7543d688b8d49c8e569c61 patch
• https://git.kernel.org/stable/c/d702c3408213bb12bd570bb97204d8340d141c51 patch