7.1

CVE-2022-33742

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).

Data is provided by the National Vulnerability Database (NVD)
Fedoraproject ≫ Fedora Version35
Fedoraproject ≫ Fedora Version36
Debian ≫ Debian Linux Version10.0
Debian ≫ Debian Linux Version11.0
Linux ≫ Linux Kernel Version >= 2.6.13 < 4.9.322
Linux ≫ Linux Kernel Version >= 4.14 < 4.14.287
Linux ≫ Linux Kernel Version >= 4.19 < 4.19.251
Linux ≫ Linux Kernel Version >= 5.4 < 5.4.204
Linux ≫ Linux Kernel Version >= 5.10 < 5.10.129
Linux ≫ Linux Kernel Version >= 5.15 < 5.15.53
Linux ≫ Linux Kernel Version >= 5.18 < 5.18.10
Linux ≫ Linux Kernel Version2.6.12 Updaterc2
Linux ≫ Linux Kernel Version2.6.12 Updaterc3
Linux ≫ Linux Kernel Version2.6.12 Updaterc4
Linux ≫ Linux Kernel Version2.6.12 Updaterc5
Linux ≫ Linux Kernel Version2.6.12 Updaterc6
Linux ≫ Linux Kernel Version5.19 Updaterc1
Linux ≫ Linux Kernel Version5.19 Updaterc2
Linux ≫ Linux Kernel Version5.19 Updaterc3
Linux ≫ Linux Kernel Version5.19 Updaterc4
Linux ≫ Linux Kernel Version5.19 Updaterc5
Xen ≫ Xen Version-
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.03% 0.086
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 7.1 1.8 5.2
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
nvd@nist.gov 3.6 3.9 4.9
AV:L/AC:L/Au:N/C:P/I:N/A:P
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

http://www.openwall.com/lists/oss-security/2022/07/05/6
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