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).
References
Link | Resource |
---|---|
http://www.openwall.com/lists/oss-security/2022/07/05/6 | Mailing List Patch Third Party Advisory |
http://xenbits.xen.org/xsa/advisory-403.html | Patch Vendor Advisory |
https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html | Mailing List Third Party Advisory |
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IGFTRZ66KQYTSYIRT5FRHF5D6O72NWOP/ | |
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RKRXZ4LHGCGMOG24ZCEJNY6R2BTS4S2Q/ | |
https://www.debian.org/security/2022/dsa-5191 | Third Party Advisory |
https://xenbits.xenproject.org/xsa/advisory-403.txt | Vendor Advisory |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: XEN
Published: 2022-07-05T12:50:39
Updated: 2022-10-02T18:06:05
Reserved: 2022-06-15T00:00:00
Link: CVE-2022-33742
JSON object: View
NVD Information
Status : Modified
Published: 2022-07-05T13:15:08.570
Modified: 2023-11-07T03:48:22.037
Link: CVE-2022-33742
JSON object: View
Redhat Information
No data.
CWE