CVE-2022-42309

Summary

Xenstore: Guests can crash xenstored Due to a bug in the fix of XSA-115 a malicious guest can cause xenstored to use a wrong pointer during node creation in an error path, resulting in a crash of xenstored or a memory corruption in xenstored causing further damage. Entering the error path can be controlled by the guest e.g. by exceeding the quota value of maximum nodes per domain.

Affected Software

Weaknesses

• unknown

ADP Enrichment

CVE Program Container

Additional References

• https://xenbits.xenproject.org/xsa/advisory-414.txt
• http://xenbits.xen.org/xsa/advisory-414.html
• http://www.openwall.com/lists/oss-security/2022/11/01/4
• https://www.debian.org/security/2022/dsa-5272
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZLI2NPNEH7CNJO3VZGQNOI4M4EWLNKPZ/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZVXG7OOOXCX6VIPEMLFDPIPUTFAYWPE/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YTMITQBGC23MSDHUCAPCVGLMVXIBXQTQ/
• https://security.gentoo.org/glsa/202402-07

References

• https://xenbits.xenproject.org/xsa/advisory-414.txt
• http://xenbits.xen.org/xsa/advisory-414.html
• http://www.openwall.com/lists/oss-security/2022/11/01/4
• https://www.debian.org/security/2022/dsa-5272
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZLI2NPNEH7CNJO3VZGQNOI4M4EWLNKPZ/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZVXG7OOOXCX6VIPEMLFDPIPUTFAYWPE/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YTMITQBGC23MSDHUCAPCVGLMVXIBXQTQ/
• https://security.gentoo.org/glsa/202402-07

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