CVE-2021-31916

Katalog CVE

CVSS 6.7 · Medium EPSS 0,70%

Kerentanan Out-of-bounds Write pada linux kernel, redhat enterprise linux +1 lainnya. Skor CVSS 3.1 6.7 (Medium) menurut NVD.

Deskripsi (NVD)

An out-of-bounds (OOB) memory write flaw was found in list_devices in drivers/md/dm-ioctl.c in the Multi-device driver module in the Linux kernel before 5.12. A bound check failure allows an attacker with special user (CAP_SYS_ADMIN) privilege to gain access to out-of-bounds memory leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to system availability.

Rincian

Terbit di NVD

6 Mei 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-787: Out-of-bounds Write

EPSS (30 hari)

0,70% peluang dieksploitasi; lebih tinggi dari 52,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.redhat.com/show_bug.cgi?id=1946965 issue tracking · patch · advisory pihak ketiga
• https://github.com/torvalds/linux/commit/4edbe1d7bcffcd6269f3b5eb63f710393ff2ec7a patch · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html mailing list · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html mailing list · advisory pihak ketiga
• https://seclists.org/oss-sec/2021/q1/268 mailing list · advisory pihak ketiga