CVE-2021-35477

Katalog CVE

CVSS 5.5 · Medium EPSS 0,46%

Kerentanan Observable Discrepancy pada linux kernel, debian linux +1 lainnya. Skor CVSS 3.1 5.5 (Medium) menurut NVD.

Deskripsi (NVD)

In the Linux kernel through 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack because a certain preempting store operation does not necessarily occur before a store operation that has an attacker-controlled value.

Rincian

Terbit di NVD

2 Agustus 2021

Terakhir diubah

8 Oktober 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-203: Observable Discrepancy

EPSS (30 hari)

0,46% peluang dieksploitasi; lebih tinggi dari 38,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/patch/?id=2039f26f3aca5b0e419b98f65dd364813... patch · advisory vendor
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/patch/?id=f5e81d1117501546b7be050c5fbafa6ef... patch · advisory vendor
• https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html mailing list · advisory pihak ketiga
• https://www.openwall.com/lists/oss-security/2021/08/01/3 mailing list · advisory pihak ketiga
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/565ZS55ZFEN62...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6JKK6XNRZX5BT...