CVE Vulnerability

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.

4.6 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

7.8 /10

CVSS v3.0 : HIGH

V3 Legend

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

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
https://www.debian.org/security/2022/dsa-5191 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Information

Published : 2022-07-05 01:15

Updated : 2022-11-05 03:06

NVD link : CVE-2022-33743

Mitre link : CVE-2022-33743

Products Affected
No products.
CWE
NVD-CWE-noinfo