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CVE-2026-31593

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Reject attempts to sync VMSA of an already-launched/encrypted vCPU Reject synchronizing vCPU state to its associated VMSA if the vCPU has already been launched, i.e. if the VMSA has already been encrypted. On a host with SNP enabled, accessing guest-private memory generates an RMP #PF and panics the host. BUG: unable to handle page fault for address: ff1276cbfdf36000 #PF: supervisor write access in kernel mode
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:bd60743d3ed3703c7af5b6dd2015818ba33ebf00ac981909ef6465f26b773f7b
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/x86/kvm/svm/sev.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"c9609847ae65ca36233077c2b6cb2bc0fb37c77a","status":"affected","version":"ad27ce155566f2b4400fa865859834592bd18777","versionType":"git"},{"lessThan":"692fdf05e55fa03960a1278afdc2478c12daea13","status":"affected","version":"ad27ce155566f2b4400fa865859834592bd18777","versionType":"git"},{"lessThan":"6ef109e01e1d35199e1a97ea68bdfd3cf3fbf9ab","status":"affected","version":"ad27ce155566f2b4400fa86…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4d7d032ececbb6f33cd67f269b549365c9d753ab1e989a7666bf1dda8f447154 · sha256:00d091295a57a3a2… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["arch/x86/kvm/svm/sev.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.11"},{"lessThan":"6.11","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.83","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.24","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.14","versionType":"semver"},{"lessTha…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4d7d032ececbb6f33cd67f269b549365c9d753ab1e989a7666bf1dda8f447154 · sha256:00d091295a57a3a2… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/x86/kvm/svm/sev.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"c9609847ae65ca36233077c2b6cb2bc0fb37c77a","status":"affected","version":"ad27ce155566f2b4400fa865859834592bd18777","versionType":"git"},{"lessThan":"692fdf05e55fa03960a1278afdc2478c12daea13","status":"affected","version":"ad27ce155566f2b4400fa865859834592bd18777","versionType":"git"},{"lessThan":"6ef109e01e1d35199e1a97ea68bdfd3cf3fbf9ab","status":"affected","version":"ad27ce155566f2b4400fa86…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4d7d032ececbb6f33cd67f269b549365c9d753ab1e989a7666bf1dda8f447154 · sha256:00d091295a57a3a2… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["arch/x86/kvm/svm/sev.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.11"},{"lessThan":"6.11","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.83","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.24","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.14","versionType":"semver"},{"lessTha…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4d7d032ececbb6f33cd67f269b549365c9d753ab1e989a7666bf1dda8f447154 · sha256:00d091295a57a3a2… · /containers/cna/affected/1

Source references

5 source assertions
{"url":"https://git.kernel.org/stable/c/692fdf05e55fa03960a1278afdc2478c12daea13"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4d7d032ececbb6f33cd67f269b549365c9d753ab1e989a7666bf1dda8f447154 · sha256:00d091295a57a3a2… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/6ef109e01e1d35199e1a97ea68bdfd3cf3fbf9ab"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4d7d032ececbb6f33cd67f269b549365c9d753ab1e989a7666bf1dda8f447154 · sha256:00d091295a57a3a2… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/8f85a4885eee8cb495961ffa371a91828afb9445"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4d7d032ececbb6f33cd67f269b549365c9d753ab1e989a7666bf1dda8f447154 · sha256:00d091295a57a3a2… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/9b9f7962e3e879d12da2bf47e02a24ec51690e3d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4d7d032ececbb6f33cd67f269b549365c9d753ab1e989a7666bf1dda8f447154 · sha256:00d091295a57a3a2… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/c9609847ae65ca36233077c2b6cb2bc0fb37c77a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4d7d032ececbb6f33cd67f269b549365c9d753ab1e989a7666bf1dda8f447154 · sha256:00d091295a57a3a2… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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