CVE-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
7.2 High
AI Score
Confidence
High
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.
| Vendor | Product | Version | CPE |
|---|---|---|---|
| linux | linux_kernel | * | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
References
bugzilla.redhat.com/show_bug.cgi?id=1999544
lists.debian.org/debian-lts-announce/2022/03/msg00011.html
lists.debian.org/debian-lts-announce/2022/03/msg00012.html
lore.kernel.org/lkml/20211115165435.133245729%40linuxfoundation.org/
security.netapp.com/advisory/ntap-20220318-0009/
www.debian.org/security/2022/dsa-5096
www.openwall.com/lists/oss-security/2021/09/15/4
www.oracle.com/security-alerts/cpujul2022.html
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
7.2 High
AI Score
Confidence
High
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%