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CVE-2021-28964

nvd nist
Published: Mar 22, 2021Modified: Jun 17, 2026

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4.7
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Exploitability: 1.0 / Impact: 3.6
Source: NVD

Description

A race condition was discovered in get_old_root in fs/btrfs/ctree.c in the Linux kernel through 5.11.8. It allows attackers to cause a denial of service (BUG) because of a lack of locking on an extent buffer before a cloning operation, aka CID-dbcc7d57bffc.

Affected (9)

Show all products
Linux: Linux Kernel · Fedoraproject: Fedora · Debian: Debian Linux · Netapp: Cloud Backup, Solidfire Baseboard Management Controller Firmware, Aff A250 Firmware, Fas 500f Firmware
Linux
1 product
Linux Kernel
Fedoraproject
1 product
Fedora
Debian
1 product
Debian Linux
Netapp
4 products
Cloud Backup
Solidfire Baseboard Management Controller Firmware
Aff A250 Firmware
Fas 500f Firmware
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Linux Kernel
Up to 5.11.8
Configuration B
3 vulnerable
Vulnerable SoftwareAffected Versions
Fedoraproject
Fedora
Version 32
Fedora
Version 33
Fedora
Version 34
Configuration C
1 vulnerable
Vulnerable SoftwareAffected Versions
Debian Linux
Version 9.0
Configuration D
2 vulnerable
Vulnerable SoftwareAffected Versions
Cloud Backup
All versions
Solidfire Baseboard Management Controller Firmware
All versions
Configuration E
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Aff A250 Firmware
All versions
Running on/withPlatform Versions
Netapp
Aff A250
All versions
Configuration F
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Fas 500f Firmware
All versions
Running on/withPlatform Versions
Netapp
Fas 500f
All versions

Related CWEs

CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.

References (14)

Source: cve@mitre.org
Mailing ListVendor Advisory
Source: cve@mitre.org
Mailing ListThird Party Advisory
Source: cve@mitre.org
Mailing ListThird Party Advisory
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.