AZL-68717
See a problem?- Import Source
- https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-68717.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/AZL-68717
- Upstream
- Published
- 2025-02-26T07:01:36Z
- Modified
- 2026-04-01T05:21:28.875997Z
- Summary
- CVE-2022-49610 affecting package kernel 5.15.200.1-1
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
KVM: VMX: Prevent RSB underflow before vmenter
On VMX, there are some balanced returns between the time the guest's SPEC_CTRL value is written, and the vmenter.
Balanced returns (matched by a preceding call) are usually ok, but it's at least theoretically possible an NMI with a deep call stack could empty the RSB before one of the returns.
For maximum paranoia, don't allow any returns (balanced or otherwise) between the SPEC_CTRL write and the vmenter.
[ bp: Fix 32-bit build. ]
- References