Description
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.
Published: 2022-03-07
Score: 7.1 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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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
History

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Subscriptions

Fedoraproject Fedora
Linux Linux Kernel
Netapp H300e H300e Firmware H300s H300s Firmware H410c H410c Firmware H410s H410s Firmware H500e H500e Firmware H500s H500s Firmware H700e H700e Firmware H700s H700s Firmware
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

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

Reserved: 2021-08-26T00:00:00.000Z

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