A NULL pointer dereference flaw was found in the btrfs_rm_device function in fs/btrfs/volumes.c in the Linux Kernel, where triggering the bug requires ‘CAP_SYS_ADMIN’. This flaw allows a local attacker to crash the system or leak kernel internal information. The highest threat from this vulnerability is to system availability.

Project Subscriptions

Vendors Products
Fedoraproject Subscribe
Linux Kernel Subscribe
H300e Firmware Subscribe
H300s Firmware Subscribe
H410c Firmware Subscribe
H410s Firmware Subscribe
H500e Firmware Subscribe
H500s Firmware Subscribe
H700e Firmware Subscribe
H700s Firmware Subscribe
Advisories
Source ID Title
Debian DSA Debian DSA DSA-4978-1 linux security update
EUVD EUVD EUVD-2021-27015 A NULL pointer dereference flaw was found in the btrfs_rm_device function in fs/btrfs/volumes.c in the Linux Kernel, where triggering the bug requires ‘CAP_SYS_ADMIN’. This flaw allows a local attacker to crash the system or leak kernel internal information. The highest threat from this vulnerability is to system availability.
Ubuntu USN Ubuntu USN USN-5113-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5115-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-5117-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-5137-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5137-2 Linux kernel vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-03T17:01:07.948Z

Reserved: 2021-08-26T00:00:00

Link: CVE-2021-3739

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-03-10T17:43:01.463

Modified: 2024-11-21T06:22:18.080

Link: CVE-2021-3739

cve-icon Redhat

Severity : Low

Publid Date: 2021-08-06T00:00:00Z

Links: CVE-2021-3739 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses