Fedora 36 : xen (2022-5b594b82ac)

The remote Fedora 36 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2022-5b594b82ac advisory. Arm: unbounded memory consumption for 2nd-level page tables XSA-409, CVE-2022-33747 P2M pool freeing may take excessively long XSA-410, CVE-2022-337...

SUSE SLES12: xen / xen-doc-html / xen-libs / xen-libs-32bit / xen-tools / etc (SUSE-SU-2022:4241-1)

The remote SUSE Linux SLES12 / SLESSAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:4241-1 advisory. - CVE-2022-33746: Fixed DoS due to excessively long P2M pool freeing bsc1203806. - CVE-2022-33748: Fixed DoS due to race in locking...

Denial Of Service (DoS)

xen is vulnerable to denial of service DoS attacks. P2M pool freeing may take excessively long te P2M pool backing second level address translation for guests may be of significant size. Therefore its freeing may take more time than is reasonable without intermediate preemption checks resulting i...

SUSE SLES12: xen / xen-doc-html / xen-libs / xen-libs-32bit / xen-tools / etc (SUSE-SU-2022:4051-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:4051-1 advisory. - CVE-2022-33746: Fixed DoS due to excessively long P2M pool freeing bsc1203806. - CVE-2022-33748: Fixed DoS due to race in locking bsc1203807....

SUSE SLES15: xen / xen-devel / xen-libs / xen-tools / xen-tools-domU / etc (SUSE-SU-2022:3971-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:3971-1 advisory. - CVE-2022-33746: Fixed DoS due to excessively long P2M pool freeing bsc1203806. - CVE-2022-33748: Fixed DoS due to race in locking...

SUSE SLES15 Security Update : xen (SUSE-SU-2022:3925-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:3925-1 advisory. - CVE-2022-33746: Fixed DoS due to excessively long P2M pool freeing bsc1203806. - CVE-2022-33748: Fixed DoS due to race in locking...

Debian DSA-5272-1 : xen - security update

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5272 advisory. Multiple vulnerabilities have been discovered in the Xen hypervisor, which could result in privilege escalation, denial of service or information leaks. For the...

SUSE SLES12: xen / xen-devel / xen-doc-html / xen-libs / xen-libs-32bit / etc (SUSE-SU-2022:3728-1)

The remote SUSE Linux SLES12 / SLESSAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:3728-1 advisory. - CVE-2022-26365: Fixed issue where Linux Block and Network PV device frontends don't zero memory regions before sharing them with...

SUSE SLED15: xen / xen-devel / xen-doc-html / xen-libs / xen-libs-32bit / etc (SUSE-SU-2022:3665-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:3665-1 advisory. - CVE-2022-33746: Fixed DoS due to excessively long P2M pool freeing bsc1203806. - CVE-2022-3374...

CVE-2022-33746

P2M pool freeing may take excessively long The P2M pool backing second level address translation for guests may be of significant size. Therefore its freeing may take more time than is reasonable without intermediate preemption checks. Such checking for the need to preempt was so far missing...

ALPINE-CVE-2022-33746

P2M pool freeing may take excessively long The P2M pool backing second level address translation for guests may be of significant size. Therefore its freeing may take more time than is reasonable without intermediate preemption checks. Such checking for the need to preempt was so far missing...

CVE-2022-33746

P2M pool freeing may take excessively long The P2M pool backing second level address translation for guests may be of significant size. Therefore its freeing may take more time than is reasonable without intermediate preemption checks. Such checking for the need to preempt was so far missing...

CVE-2022-33746

P2M pool freeing may take excessively long The P2M pool backing second level address translation for guests may be of significant size. Therefore its freeing may take more time than is reasonable without intermediate preemption checks. Such checking for the need to preempt was so far missing...

CVE-2022-33746

P2M pool freeing may take excessively long The P2M pool backing second level address translation for guests may be of significant size. Therefore its freeing may take more time than is reasonable without intermediate preemption checks. Such checking for the need to preempt was so far missing...

Design/Logic Flaw

P2M pool freeing may take excessively long The P2M pool backing second level address translation for guests may be of significant size. Therefore its freeing may take more time than is reasonable without intermediate preemption checks. Such checking for the need to preempt was so far missing...

UBUNTU-CVE-2022-33746

P2M pool freeing may take excessively long The P2M pool backing second level address translation for guests may be of significant size. Therefore its freeing may take more time than is reasonable without intermediate preemption checks. Such checking for the need to preempt was so far missing...

P2M pool freeing may take excessively long

ISSUE DESCRIPTION The P2M pool backing second level address translation for guests may be of significant size. Therefore its freeing may take more time than is reasonable without intermediate preemption checks. Such checking for the need to preempt was so far missing. IMPACT A group of...

CVE-2022-33746

CVE-2022-33746 is a Xen hypervisor issue where the P2M pool backing second-level address translation for guests can become very large, causing freeing to take longer than expected due to lack of preemption checks. The vulnerability is discussed in multiple connected advisories across distribution...

CVE-2022-33746

P2M pool freeing may take excessively long The P2M pool backing second level address translation for guests may be of significant size. Therefore its freeing may take more time than is reasonable without intermediate preemption checks. Such checking for the need to preempt was so far missing...

CVE-2022-33747

Arm: unbounded memory consumption for 2nd-level page tables Certain actions require e.g. removing pages from a guest's P2M Physical-to-Machine mapping. When large pages are in use to map guest pages in the 2nd-stage page tables, such a removal operation may incur a memory allocation to replace a...