GHSA-4rfc-hjfx-gw3f

GHSA-4rfc-hjfx-gw3f PUBLISHED

Record from GitHub Advisory Database · Published May 14, 2022

The mod_l2_entry function in arch/x86/mm.c in Xen 3.4 through 4.6.x does not properly validate level 2 page table entries, which allows local PV guest administrators to gain privileges via a crafted superpage mapping.

Timeline

May 14, 2022 CVE Published
Apr 9, 2026 Security Advisory
Apr 30, 2026 Distribution Patch

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln GHSA-4rfc-hjfx-gw3f
vulnetix vdb fixes GHSA-4rfc-hjfx-gw3f

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/GHSA-4rfc-hjfx-gw3f/fixes/registry"

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References

http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.html url
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.html url
http://lists.opensuse.org/opensuse-updates/2015-11/msg00063.html url
http://support.citrix.com/article/CTX202404 url
http://www.debian.org/security/2015/dsa-3390 url
https://nvd.nist.gov/vuln/detail/CVE-2015-7835 advisory
https://security.gentoo.org/glsa/201604-03 url
http://www.securitytracker.com/id/1034032 url
https://github.com/QubesOS/qubes-secpack/blob/master/QSBs/qsb-022-2015.txt url
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.html url
http://lists.opensuse.org/opensuse-updates/2015-12/msg00053.html url
http://www.securityfocus.com/bid/77366 url
http://xenbits.xen.org/xsa/advisory-148.html url

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