CVE-2021-23134

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.

CVSS v3 7.8 HIGH
CVSS v2.0 4.6 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=c61760e6940d	Mailing List Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LZYORWNQIHNWRFYRDXBWYWBYM46PDZEN/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QALNQT4LJFVSSA3MWCIECVY4AFPP4X77/
https://security.netapp.com/advisory/ntap-20210625-0007/	Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/05/11/4	Mailing List Patch Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:33:::::::*
	cpe:2.3:o:fedoraproject:fedora:34:::::::*

Configuration 3 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-05-12 23:15

Updated : 2023-11-07 03:30

NVD link : CVE-2021-23134

Mitre link : CVE-2021-23134

CVE.ORG link : CVE-2021-23134

JSON object : View

Products Affected

debian

debian_linux

fedoraproject

fedora

linux

linux_kernel

CWE

CWE-416

Use After Free

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