Vulnerability DatabaseCVE-2021-23134
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CVE-2021-23134
May 12, 2021
Use After Free vulnerability in nfc sockets in the Linux Kernel before 5.12.4 allows local attackers to elevate their privileges. In typical configurations, the issue can only be triggered by a privileged local user with the CAP_NET_RAW capability.
Related Resources (7)
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=c61760e6940d
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QALNQT4LJFVSSA3MWCIECVY4AFPP4X77/
https://www.openwall.com/lists/oss-security/2021/05/11/4
https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html
https://security.netapp.com/advisory/ntap-20210625-0007/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LZYORWNQIHNWRFYRDXBWYWBYM46PDZEN/
https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html
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CVSS v4
Base Score:
8.5
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.8
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
CVSS v2
Base Score:
4.6
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Weakness Type (CWE)
Use After Free
CWE-416
EPSS
Base Score:
0.02