CVE-2021-3635

A flaw was found in the Linux kernel netfilter implementation in versions prior to 5.5-rc7. A user with root (CAP_SYS_ADMIN) access is able to panic the system when issuing netfilter netflow commands.

CVSS v3 4.4 MEDIUM
CVSS v2.0 4.9 MEDIUM

4.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.9^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.9 / Impact : 6.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1976946	Issue Tracking Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1976946	Issue Tracking Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:5.5:rc1::::::
	cpe:2.3:o:linux:linux_kernel:5.5:rc2::::::
	cpe:2.3:o:linux:linux_kernel:5.5:rc3::::::
	cpe:2.3:o:linux:linux_kernel:5.5:rc4::::::
	cpe:2.3:o:linux:linux_kernel:5.5:rc5::::::
	cpe:2.3:o:linux:linux_kernel:5.5:rc6::::::

Configuration 2 (hide)

OR	cpe:2.3:o:redhat:enterprise_linux:6.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*

Configuration 3 (hide)

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

History

21 Nov 2024, 06:22

Type	Values Removed	Values Added
References	~~() https://bugzilla.redhat.com/show_bug.cgi?id=1976946 - Issue Tracking, Third Party Advisory~~	() https://bugzilla.redhat.com/show_bug.cgi?id=1976946 - Issue Tracking, Third Party Advisory

Information

Published : 2021-08-13 14:15

Updated : 2024-11-21 06:22

NVD link : CVE-2021-3635

Mitre link : CVE-2021-3635

CVE.ORG link : CVE-2021-3635

JSON object : View

Products Affected

fedoraproject

fedora

linux

linux_kernel

redhat

enterprise_linux

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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