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nvd[email protected]NVD:CVE-2021-28964
HistoryMar 22, 2021 - 9:15 a.m.

CVE-2021-28964

2021-03-2209:15:13
CWE-362
web.nvd.nist.gov
1

1.9 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:M/Au:N/C:N/I:N/A:P

4.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

14.3%

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 configurations

NVD
Node
linuxlinux_kernelRange5.11.8
Node
fedoraprojectfedoraMatch32
OR
fedoraprojectfedoraMatch33
OR
fedoraprojectfedoraMatch34
Node
debiandebian_linuxMatch9.0
Node
netappcloud_backupMatch-
OR
netappsolidfire_baseboard_management_controller_firmwareMatch-
Node
netappaff_a250_firmwareMatch-
AND
netappaff_a250Match-
Node
netappfas_500f_firmwareMatch-
AND
netappfas_500fMatch-

1.9 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:M/Au:N/C:N/I:N/A:P

4.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

14.3%