VDB
GHSA-c2pw-mmhf-7r7h
GHSA-c2pw-mmhf-7r7h
PUBLISHED
CVSS 5.5 MEDIUM
Record from GitHub Advisory Database · Published May 14, 2022
The x86_decode_insn function in arch/x86/kvm/emulate.c in the Linux kernel before 4.8.7, when KVM is enabled, allows local users to cause a denial of service (host OS crash) via a certain use of a ModR/M byte in an undefined instruction.
Risk scores
CVSS 3.0
5.5
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Timeline
- May 14, 2022 CVE Published
- Apr 29, 2026 Distribution Patch (2 in total, the first dated here)
- Apr 30, 2026 Security Advisory
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln GHSA-c2pw-mmhf-7r7h
vulnetix vdb fixes GHSA-c2pw-mmhf-7r7h
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-c2pw-mmhf-7r7h/fixes/registry"
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References
- https://nvd.nist.gov/vuln/detail/CVE-2016-8630 advisory
- https://access.redhat.com/errata/RHSA-2017:0386 url
- https://access.redhat.com/security/cve/CVE-2016-8630 url
- http://rhn.redhat.com/errata/RHSA-2017-0387.html url
- http://www.openwall.com/lists/oss-security/2016/11/22/3 url
- http://www.securityfocus.com/bid/94459 url
- https://github.com/torvalds/linux/commit/d9092f52d7e61dd1557f2db2400ddb430e85937e url
- https://bugzilla.redhat.com/show_bug.cgi?id=1393350 url
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d9092f52d7e61dd1557f2db2400ddb430e85937e url
- https://access.redhat.com/errata/RHSA-2017:0387 url
- http://rhn.redhat.com/errata/RHSA-2017-0386.html url
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.7 url