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-2022-23041

The connected Astra Linux entries link CVE-2022-23041 to Linux PV device frontends (blkfront, netfront, scsifront, gntalloc, xenbus) that use grant-table interfaces to drop backend access. The issue arises from race conditions when removing grant access: if a backend has mapped the granted page b...

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-2022-23040

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-2022-23040

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-2022-23040

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-2022-23039

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 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 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

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

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...