CVE-2026-72286KVM: SEV: Do not allow intra-host migration/mirroring of SNP VMs
Updated under an hour ago ()
Does this affect you?
It affects Linux. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Free account, 1 product
In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Do not allow intra-host migration/mirroring of SNP VMs The intra-host migration/mirroring feature is not fully implemented for SEV-SNP VMs. The proper migration requires additional SNP-specific state such as guest_req_mutex, guest_req_buf, and guest_resp_buf to be transferred or initialized on the destination. The SNP VM mirroring requires vmsa features to be copied as well otherwise ASID would be bound to SNP range while VM is detected as a SEV VM. Reject SNP source VMs in migration/mirroring until proper SNP state transfer is implemented. [sean: let lines poke past 80 chars, tag for stable]
- CVSS
- 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Oct 16, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from 1dfe571c12cf99244b933208fb77f29471ded677 before b70404b89daad5f9f33f7ac640b1065cba639935; from 1dfe571c12cf99244b933208fb77f29471ded677 before ba06690b28be950bd46d938d9b919c4024292627; from 1dfe571c12cf99244b933208fb77f29471ded677 before d2f9df3b615ca0cd45899c090366945528186052; from 1dfe571c12cf99244b933208fb77f29471ded677 before 6ee4140788234a6fabf59e6a50e38cdb936008cd | CNA record |
References
- https://git.kernel.org/stable/c/b70404b89daad5f9f33f7ac640b1065cba639935
- https://git.kernel.org/stable/c/ba06690b28be950bd46d938d9b919c4024292627
- https://git.kernel.org/stable/c/d2f9df3b615ca0cd45899c090366945528186052
- https://git.kernel.org/stable/c/6ee4140788234a6fabf59e6a50e38cdb936008cd
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.