DEBIAN-CVE-2022-33741
- Source
- https://security-tracker.debian.org/tracker/CVE-2022-33741
- Import Source
- https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-33741.json
- JSON Data
- https://api.osv.dev/v1/vulns/DEBIAN-CVE-2022-33741
- Upstream
- Downstream
- Published
- 2022-07-05T13:15:08Z
- Modified
- 2026-09-01T20:04:46Z
- Severity
-
- 7.1 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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
Affected packages
Debian:12
linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source&distro=bookworm
xen
Package
- Name
- xen
- Purl
- pkg:deb/debian/xen?arch=source&distro=bookworm
Debian:13
linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source&distro=trixie
xen
Package
- Name
- xen
- Purl
- pkg:deb/debian/xen?arch=source&distro=trixie
Debian:14
linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source&distro=forky
xen
Package
- Name
- xen
- Purl
- pkg:deb/debian/xen?arch=source&distro=forky