CVE-2026-46082
In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Inject #UD for INVLPGA if EFER.SVME=0 INVLPGA should cause a #UD when EFER.SVME is not set. Add a check to properly inject #UD when EFER.SVME=0. [sean: tag for stable@]
Affected versions
Linux kernel versions
2.6.32
and later are affected. Fixed in
5.15.209,
6.1.175,
6.6.140,
6.12.86,
6.18.27,
7.0.4,
7.1-rc1
and their respective stable series.
References
The following references provide additional information about CVE-2026-46082 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
-
PatchKernel patch commithttps://git.kernel.org/stable/c/3ac9d4241d205f5d0df06358349ca718ebb0fa12
-
PatchKernel patch commithttps://git.kernel.org/stable/c/491139c17f8ad5773303068411f6ac5eed438b51
-
PatchKernel patch commithttps://git.kernel.org/stable/c/643125b66ffc1147c66616b749475ba9efb15971
Frequently asked questions
-
What is CVE-2026-46082?
CVE-2026-46082 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 2.6.32 onward and has been patched in 5.15.209, 6.1.175, 6.6.140 and others. CVE-2026-46082 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
-
Is there a patch available for CVE-2026-46082?
Yes — CVE-2026-46082 has been patched. Fixed versions include 5.15.209, 6.1.175, 6.6.140 and others. If you are running Linux kernel 2.6.32 or later up to the fix versions, apply the relevant patch for your kernel branch.
-
Is CVE-2026-46082 actively exploited?
No — CVE-2026-46082 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.