Fedora 38 : xen (2023-703f133eb3)

The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-703f133eb3 advisory. 3 security issues 2180425 x86 shadow plus log-dirty mode use-after-free XSA-427, CVE-2022-42332 x86/HVM pinned cache attributes mis-handling XSA-428...

SUSE SLES12: xen / xen-doc-html / xen-libs / xen-libs-32bit / xen-tools / etc (SUSE-SU-2023:0846-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:0846-1 advisory. - CVE-2022-42332: Fixed use-after-free in x86 shadow plus log-dirty mode bsc1209017. - CVE-2022-42331: Fixed speculative vulnerability in 32bit...

SUSE SLES15: xen / xen-devel / xen-libs / xen-tools / xen-tools-domU / etc (SUSE-SU-2023:0847-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:0847-1 advisory. - CVE-2022-42332: Fixed use-after-free in x86 shadow plus log-dirty mode bsc1209017. - CVE-2022-42333,CVE-2022-42334: Fixed x86/HVM...

CVE-2022-42332: Use After Free

x86 shadow plus log-dirty mode use-after-free In environments where host assisted address translation is necessary but Hardware Assisted Paging HAP is unavailable, Xen will run guests in so called shadow mode. Shadow mode maintains a pool of memory used for both shadow page tables as well as...