CVE-2022-33743

Description

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.

7.8

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.02%

Vendor Advisory debian.org Vendor Advisory xen.org Vendor Advisory xenproject.org

Affected: Linux Linux

References

Link	Tags
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 third party advisory patch
https://www.debian.org/security/2022/dsa-5191	third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-33743?: CVE-2022-33743 has been scored as a high severity vulnerability.
How to fix CVE-2022-33743?: To fix CVE-2022-33743, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-33743 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-33743 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-33743?: CVE-2022-33743 affects Linux Linux.

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