CVE-2021-3348

Katalog CVE

CVSS 7.0 · High EPSS 0,26%

Kerentanan Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') pada linux kernel, debian linux. Skor CVSS 3.1 7.0 (High) menurut NVD.

Deskripsi (NVD)

nbd_add_socket in drivers/block/nbd.c in the Linux kernel through 5.10.12 has an ndb_queue_rq use-after-free that could be triggered by local attackers (with access to the nbd device) via an I/O request at a certain point during device setup, aka CID-b98e762e3d71.

Rincian

Terbit di NVD

1 Februari 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-416: Use After Free

EPSS (30 hari)

0,26% peluang dieksploitasi; lebih tinggi dari 16,5% 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=b98e762e3d71e893b221f871825dc646... mailing list · patch · advisory vendor
• http://www.openwall.com/lists/oss-security/2021/02/01/1 mailing list · patch · advisory pihak ketiga
• https://www.openwall.com/lists/oss-security/2021/01/28/3 mailing list · patch · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2021/03/msg00035.html advisory pihak ketiga