CVE-2021-3348

HighCVSS 7.0/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 7.0/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-362 CWE-416

Affected software

No affected versions have been published.

Timeline

Published: Feb 1, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

CVE-2021-334805.5An use-after-free vulnerability was discovered in gocr through 0.53-20200802 in context_correction() in pgm2asc.c.CVE-2021-334817.8A stack-based buffer overflow vulnerability was discovered in gocr through 0.53-20200802 in try_to_divide_boxes() in pgm2asc.c.CVE-2021-334835.4An issue was discovered in CommentsService.ashx in OnyakTech Comments Pro 3.8. The comment posting functionality allows an attacker to add a CVE-2021-334847.5An issue was discovered in CommentsService.ashx in OnyakTech Comments Pro 3.8. An attacker can download a copy of the installer, decompile i CVE-2021-334859.8CODESYS Control Runtime system before 3.5.17.10 has a Heap-based Buffer Overflow.CVE-2021-334867.5All versions of the CODESYS V3 Runtime Toolkit for VxWorks from version V3.5.8.0 and before version V3.5.17.10 have Improper Handling of Exc CVE-2021-334886.1chat in OX App Suite 7.10.5 has Improper Input Validation. A user can be redirected to a rogue OX Chat server via a development-related hook CVE-2021-334896.1OX App Suite through 7.10.5 allows XSS via JavaScript code in a shared XCF file.CVE-2021-33493.3GNOME Evolution through 3.38.3 produces a "Valid signature" message for an unknown identifier on a previously trusted key because Evolution CVE-2021-334906.1OX App Suite through 7.10.5 allows XSS via a crafted snippet in a shared mail signature.CVE-2021-334916.5OX App Suite through 7.10.5 allows Directory Traversal via ../ in an OOXML or ODF ZIP archive, because of the mishandling of relative paths CVE-2021-334926.1OX App Suite 7.10.5 allows XSS via an OX Chat room name.