Debian Security Bug TrackerDEBIANCVE:CVE-2021-28964CVE-2021-28964
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
1.9 Low
CVSS2
Access Vector
LOCAL
Access 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
0.0004 Low
EPSS
Percentile
13.3%
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.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 12 | all | linux | < 5.10.26-1 | linux_5.10.26-1_all.deb |
| Debian | 11 | all | linux | < 5.10.26-1 | linux_5.10.26-1_all.deb |
| Debian | 10 | all | linux | < 4.19.194-1 | linux_4.19.194-1_all.deb |
| Debian | 999 | all | linux | < 5.10.26-1 | linux_5.10.26-1_all.deb |
| Debian | 13 | all | linux | < 5.10.26-1 | linux_5.10.26-1_all.deb |
Related
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
1.9 Low
CVSS2
Access Vector
LOCAL
Access 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
0.0004 Low
EPSS
Percentile
13.3%