CVE-2020-27815

Katalog CVE

CVSS 7.8 · High EPSS 0,79%

Kerentanan Improper Restriction of Operations within the Bounds of a Memory Buffer pada linux kernel, debian linux +10 lainnya. Skor CVSS 3.1 7.8 (High) menurut NVD.

Deskripsi (NVD)

A flaw was found in the JFS filesystem code in the Linux Kernel which allows a local attacker with the ability to set extended attributes to panic the system, causing memory corruption or escalating privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Rincian

Terbit di NVD

26 Mei 2021

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-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-787: Out-of-bounds Write

EPSS (30 hari)

0,79% peluang dieksploitasi; lebih tinggi dari 55,0% 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/commit/?id=c61b3e4839007668360ed8b87d7da96d... patch · advisory vendor
• http://www.openwall.com/lists/oss-security/2020/12/28/1 exploit · mailing list · patch · advisory pihak ketiga
• http://www.openwall.com/lists/oss-security/2020/11/30/5 exploit · mailing list · 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-20210702-0004/ advisory pihak ketiga
• https://www.debian.org/security/2021/dsa-4843 advisory pihak ketiga
• https://bugzilla.redhat.com/show_bug.cgi?id=1897668%2C issue tracking
• https://www.openwall.com/lists/oss-security/2020/11/30/5%2C mailing list
• https://www.openwall.com/lists/oss-security/2020/12/28/1%2C mailing list