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CVE-2022-33742
CVE ID
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CVE-2022-33742
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
Description
Linux disk/nic frontends data leaks T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Linux Block and Network PV device frontends don’t zero memory regions before sharing them with the backend (CVE-2022-26365, CVE-2022-33740). Additionally the granularity of the grant table doesn’t allow sharing less than a 4K page, leading to unrelated data residing in the same 4K page as data shared with a backend being accessible by such backend (CVE-2022-33741, CVE-2022-33742).
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CVSS V3 Severity and Metrics
General Information
Vendors
- debian,
- fedoraproject,
- linux,
- xen
Products
- debian linux 10.0,
- debian linux 11.0,
- fedora 35,
- fedora 36,
- linux kernel,
- linux kernel 2.6.12,
- linux kernel 5.19,
- xen -
References
Advisory
Miscellaneous
Additional Info
Technical Analysis
Report as Exploited in the Wild
CVE ID
AttackerKB requires a CVE ID in order to pull vulnerability data and references from the CVE list and the National Vulnerability Database. If available, please supply below:
