UBUNTU-CVE-2022-23040

Linux PV device frontends vulnerable to attacks by backends This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Several Linux PV device frontends are using the grant table interfaces for removing access rights of the...

UBUNTU-CVE-2022-23042

Linux PV device frontends vulnerable to attacks by backends This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Several Linux PV device frontends are using the grant table interfaces for removing access rights of the...

Race condition

Linux PV device frontends vulnerable to attacks by backends This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Several Linux PV device frontends are using the grant table interfaces for removing access rights of the...

CVE-2022-23042

Linux PV device frontends vulnerable to attacks by backends This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Several Linux PV device frontends are using the grant table interfaces for removing access rights of the...

CVE-2022-23042

Linux PV device frontends vulnerable to attacks by backends This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Several Linux PV device frontends are using the grant table interfaces for removing access rights of the...

CVE-2022-23042

CVE-2022-23042 is part of a set describing race-condition vulnerabilities in Linux PV (paravirtualization) grant-table frontends. The Astra Linux advisories summarize that multiple frontends—blkfront, netfront, scsifront, and the gntalloc driver—test whether a grant reference is still in use, and...

CVE-2022-23041

Linux PV device frontends vulnerable to attacks by backends This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Several Linux PV device frontends are using the grant table interfaces for removing access rights of the...

CVE-2022-23041

Linux PV device frontends vulnerable to attacks by backends This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Several Linux PV device frontends are using the grant table interfaces for removing access rights of the...

CVE-2022-23040

The CVE entry relates to Linux PV device frontends (blkfront, netfront, scsifront, gntalloc, xenbus, etc.) and the grant-table race conditions CVEs 2022-23036 to 2022-23042. The root cause is improper synchronization when removing granted access or freeing grant references, allowing a backend to ...

CVE-2022-23040

Linux PV device frontends vulnerable to attacks by backends This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Several Linux PV device frontends are using the grant table interfaces for removing access rights of the...

CVE-2022-23039

Linux PV device frontends (blkfront, netfront, scsifront, gntalloc, xenbus) are vulnerable to race conditions in grant-reference handling that can allow a backend to retain access to guest memory after grant removal or reuse, potentially causing data leakage, data corruption, or DoS. The issue sp...

CVE-2022-23038

Linux PV device frontends vulnerable to attacks by backends This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Several Linux PV device frontends are using the grant table interfaces for removing access rights of the...

CVE-2022-23038

Linux PV device frontends vulnerable to attacks by backends This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Several Linux PV device frontends are using the grant table interfaces for removing access rights of the...

CVE-2022-23038

CVE-2022-23038 affects Linux PV device frontends that use the grant-table interfaces (blkfront, netfront, scsifront) and the gntalloc/xenbus components. The issue is a race in removing or delaying the revocation of granted access to memory pages, which can allow a malicious backend to keep access...

CVE-2022-23037

Linux PV device frontends vulnerable to attacks by backends This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Several Linux PV device frontends are using the grant table interfaces for removing access rights of the...

CVE-2022-23037

Linux PV device frontends vulnerable to attacks by backends This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Several Linux PV device frontends are using the grant table interfaces for removing access rights of the...

CVE-2022-23037

Summary (CVE-2022-23037 context): Astra Linux security advisories describe Linux PV device frontends (blkfront, netfront, scsifront, gntalloc, xenbus) using grant-table interfaces in a way vulnerable to race conditions in removing access rights. The result is that a backend may retain access to a...

CVE-2022-23036

Linux PV device frontends vulnerable to attacks by backends This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Several Linux PV device frontends are using the grant table interfaces for removing access rights of the...

CVE-2022-23036

Linux PV device frontends vulnerable to attacks by backends This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Several Linux PV device frontends are using the grant table interfaces for removing access rights of the...

CVE-2022-23036

The Connected Astra Linux entries provide concrete details for CVEs 2022-23036 to 2022-23042 and related entries, describing a shared vulnerability class in Linux PV device frontends. Specifically, blkfront, netfront, scsifront, and the gntalloc driver use grant-table interfaces to remove backend...