CVE-2022-42313

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Summary

CVECVE-2022-42313
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-11-01 13:15:00 UTC
Updated2023-11-07 03:53:00 UTC
DescriptionXenstore: guests can let run xenstored out of memory T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Malicious guests can cause xenstored to allocate vast amounts of memory, eventually resulting in a Denial of Service (DoS) of xenstored. There are multiple ways how guests can cause large memory allocations in xenstored: - - by issuing new requests to xenstored without reading the responses, causing the responses to be buffered in memory - - by causing large number of watch events to be generated via setting up multiple xenstore watches and then e.g. deleting many xenstore nodes below the watched path - - by creating as many nodes as allowed with the maximum allowed size and path length in as many transactions as possible - - by accessing many nodes inside a transaction

Risk And Classification

Problem Types: CWE-770

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 11.0 All All All
Operating System Fedoraproject Fedora 35 All All All
Operating System Fedoraproject Fedora 36 All All All
Operating System Fedoraproject Fedora 37 All All All
Operating System Xen Xen - All All All

References

ReferenceSourceLinkTags
[SECURITY] Fedora 37 Update: xen-4.16.2-4.fc37 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] Fedora 37 Update: xen-4.16.2-4.fc37 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
Debian -- Security Information -- DSA-5272-1 xen DEBIAN www.debian.org
xenbits.xenproject.org/xsa/advisory-326.txt MISC xenbits.xenproject.org
[SECURITY] Fedora 36 Update: xen-4.16.2-3.fc36 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
XSA-326 - Xen Security Advisories CONFIRM xenbits.xen.org
[SECURITY] Fedora 36 Update: xen-4.16.2-3.fc36 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] Fedora 35 Update: xen-4.15.3-7.fc35 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] Fedora 35 Update: xen-4.15.3-7.fc35 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

LEGACY: Array

Legacy QID Mappings

  • 181193 Debian Security Update for xen (DSA 5272-1)
  • 184080 Debian Security Update for xen (CVE-2022-42313)
  • 283293 Fedora Security Update for xen (FEDORA-2022-07438e12df)
  • 283319 Fedora Security Update for xen (FEDORA-2022-99af00f60e)
  • 283430 Fedora Security Update for xen (FEDORA-2022-9f51d13fa3)
  • 390275 Oracle Managed Virtualization (VM) Server for x86 Security Update for xen (OVMSA-2023-0005)
  • 502600 Alpine Linux Security Update for xen
  • 502619 Alpine Linux Security Update for xen
  • 503143 Alpine Linux Security Update for xen
  • 503695 Alpine Linux Security Update for xen
  • 504549 Alpine Linux Security Update for xen
  • 505964 Alpine Linux Security Update for xen
  • 752778 SUSE Enterprise Linux Security Update for xen (SUSE-SU-2022:3925-1)
  • 752781 SUSE Enterprise Linux Security Update for xen (SUSE-SU-2022:3928-1)
  • 752792 SUSE Enterprise Linux Security Update for xen (SUSE-SU-2022:3947-1)
  • 752796 SUSE Enterprise Linux Security Update for xen (SUSE-SU-2022:3971-1)
  • 752807 SUSE Enterprise Linux Security Update for xen (SUSE-SU-2022:4007-1)
  • 752887 SUSE Enterprise Linux Security Update for xen (SUSE-SU-2022:4241-1)
  • 752979 SUSE Enterprise Linux Security Update for xen (SUSE-SU-2022:4332-1)
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