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CVE-2026-64310

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Do not initialize SNP for SEV ioctls Sashiko notes: > if SEV initialization fails and KVM is actively running normal VMs, could a > userspace process trigger this code path via /dev/sev ioctls (e.g., > SEV_PDH_GEN) and zero out MSR_VM_HSAVE_PA globally? Would the next VMRUN > execution for an active VM trigger a general protection fault and crash the > host? sev_move_to_init_state() is called for ioctls requiri
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:4104404feb10c4c3086bab3e64b2a7adfdbf4f55a005add551d3f3764e3208ec
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":"affected","product":"Linux","programFiles":["drivers/crypto/ccp/sev-dev.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.16"},{"lessThan":"6.16","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.96","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.39","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.4","versionType":"semver"},{"less…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6ed1d8310accfaa8102d30893d40e443e5cf7e5b79e0846ea9aefeb75508d9d1 · sha256:4c69a0ba880c604f… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/crypto/ccp/sev-dev.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"5181e88da99c3d1d41e25db3472a62b8d4b42cdd","status":"affected","version":"1c3506ea8599a3ad1b9aae5cbd573134f8d18db7","versionType":"git"},{"lessThan":"9e983d0a74a6a2348e4ce61647ec8a4dfbe198ac","status":"affected","version":"ceac7fb89e8da465aec3ac3c20477f912f5c3a6c","versionType":"git"},{"lessThan":"d51207735e7c224cf591fa260c557a451a69a5cf","status":"affected","version":"ceac7fb89e8da465a…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6ed1d8310accfaa8102d30893d40e443e5cf7e5b79e0846ea9aefeb75508d9d1 · sha256:4c69a0ba880c604f… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/crypto/ccp/sev-dev.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.16"},{"lessThan":"6.16","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.96","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.39","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.4","versionType":"semver"},{"less…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6ed1d8310accfaa8102d30893d40e443e5cf7e5b79e0846ea9aefeb75508d9d1 · sha256:4c69a0ba880c604f… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/crypto/ccp/sev-dev.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"5181e88da99c3d1d41e25db3472a62b8d4b42cdd","status":"affected","version":"1c3506ea8599a3ad1b9aae5cbd573134f8d18db7","versionType":"git"},{"lessThan":"9e983d0a74a6a2348e4ce61647ec8a4dfbe198ac","status":"affected","version":"ceac7fb89e8da465aec3ac3c20477f912f5c3a6c","versionType":"git"},{"lessThan":"d51207735e7c224cf591fa260c557a451a69a5cf","status":"affected","version":"ceac7fb89e8da465a…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6ed1d8310accfaa8102d30893d40e443e5cf7e5b79e0846ea9aefeb75508d9d1 · sha256:4c69a0ba880c604f… · /containers/cna/affected/0

Source references

4 source assertions
{"url":"https://git.kernel.org/stable/c/5181e88da99c3d1d41e25db3472a62b8d4b42cdd"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6ed1d8310accfaa8102d30893d40e443e5cf7e5b79e0846ea9aefeb75508d9d1 · sha256:4c69a0ba880c604f… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/9e983d0a74a6a2348e4ce61647ec8a4dfbe198ac"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6ed1d8310accfaa8102d30893d40e443e5cf7e5b79e0846ea9aefeb75508d9d1 · sha256:4c69a0ba880c604f… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/d51207735e7c224cf591fa260c557a451a69a5cf"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6ed1d8310accfaa8102d30893d40e443e5cf7e5b79e0846ea9aefeb75508d9d1 · sha256:4c69a0ba880c604f… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/fb1758e74b8061aacfbce7bbb7a7cc650537e167"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6ed1d8310accfaa8102d30893d40e443e5cf7e5b79e0846ea9aefeb75508d9d1 · sha256:4c69a0ba880c604f… · /containers/cna/references/3

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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