CVE-2022-33743

network backend may cause Linux netfront to use freed SKBs While adding logic to support XDP (eXpress Data Path), a code label was moved in a way allowing for SKBs having references (pointers) retained for further processing to nevertheless be freed.

CVSS v3.0 7.8 HIGH
CVSS v2.0 4.6 MEDIUM

7.8^/10

CVSS v3.0 : 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://xenbits.xenproject.org/xsa/advisory-405.txt	Vendor Advisory
http://xenbits.xen.org/xsa/advisory-405.html	Patch Vendor Advisory
http://www.openwall.com/lists/oss-security/2022/07/05/5	Mailing List Patch Third Party Advisory
https://www.debian.org/security/2022/dsa-5191	Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:xen:xen:-:::::::*
	cpe:2.3:o:linux:linux_kernel::::::::

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

Information

Published : 2022-07-05 06:15

Updated : 2022-11-04 20:06

NVD link : CVE-2022-33743

Mitre link : CVE-2022-33743

JSON object : View

CWE

NVD-CWE-noinfo

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Products Affected

debian

debian_linux

xen

xen

linux

linux_kernel

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