Debian Security Bug TrackerDEBIANCVE:CVE-2021-3752CVE-2021-3752
7.1 High
CVSS3
Attack Vector
ADJACENT_NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
7.9 High
CVSS2
Access Vector
ADJACENT_NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:A/AC:M/Au:N/C:C/I:C/A:C
0.001 Low
EPSS
Percentile
45.8%
A use-after-free flaw was found in the Linux kernel’s Bluetooth subsystem in the way user calls connect to the socket and disconnect simultaneously due to a race condition. This flaw allows a user to crash the system or escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 12 | all | linux | < 5.15.3-1 | linux_5.15.3-1_all.deb |
| Debian | 11 | all | linux | < 5.10.84-1 | linux_5.10.84-1_all.deb |
| Debian | 10 | all | linux | < 4.19.232-1 | linux_4.19.232-1_all.deb |
| Debian | 999 | all | linux | < 5.15.3-1 | linux_5.15.3-1_all.deb |
| Debian | 13 | all | linux | < 5.15.3-1 | linux_5.15.3-1_all.deb |
Related
7.1 High
CVSS3
Attack Vector
ADJACENT_NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
7.9 High
CVSS2
Access Vector
ADJACENT_NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:A/AC:M/Au:N/C:C/I:C/A:C
0.001 Low
EPSS
Percentile
45.8%