CVE-2020-27825

Katalog CVE

CVSS 5.7 · Medium EPSS 0,28%

Kerentanan Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') pada linux kernel, redhat enterprise linux +5 lainnya. Skor CVSS 3.1 5.7 (Medium) menurut NVD.

Deskripsi (NVD)

A use-after-free flaw was found in kernel/trace/ring_buffer.c in Linux kernel (before 5.10-rc1). There was a race problem in trace_open and resize of cpu buffer running parallely on different cpus, may cause a denial of service problem (DOS). This flaw could even allow a local attacker with special user privilege to a kernel information leak threat.

Rincian

Terbit di NVD

11 Desember 2020

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

EPSS (30 hari)

0,28% peluang dieksploitasi; lebih tinggi dari 18,8% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.redhat.com/show_bug.cgi?id=1905155 issue tracking · patch · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html mailing list · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html mailing list · advisory pihak ketiga
• https://security.netapp.com/advisory/ntap-20210521-0008/ advisory pihak ketiga
• https://www.debian.org/security/2021/dsa-4843 advisory pihak ketiga