CVE-2026-46082
KVM: SVM: Inject #UD for INVLPGA if EFER.SVME=0
Description
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@]
INFO
Published Date :
May 27, 2026, 2:17 p.m.
Last Modified :
June 24, 2026, 5:20 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the Linux kernel to the latest version.
- Apply the provided patch for KVM: SVM.
- Recompile the kernel if necessary.
- Reboot the system after applying the update.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-46082.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-46082 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-46082
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-46082 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-46082 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jun. 24, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.86 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.175 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.140 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.18.27 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.19 up to (excluding) 7.0.4 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 2.6.32 up to (excluding) 5.15.209 Added Reference Type kernel.org: https://git.kernel.org/stable/c/3ac9d4241d205f5d0df06358349ca718ebb0fa12 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/491139c17f8ad5773303068411f6ac5eed438b51 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/643125b66ffc1147c66616b749475ba9efb15971 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/c15392ed9e49c1a16b4d3a3ccf1b3bf2318a6c28 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/d99df02ff427f461102230f9c5b90a6c64ee8e23 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/ebb63390142c6458fc37758e0892759989cc159f Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/ee24928ecd85db4b68ed111e91fef36af0ca37b0 Types: Patch -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': 'ff092385e8285c03d8b148f42f46f98c5f4becd5', 'lessThan': 'ebb63390142c6458fc37758e0892759989cc159f', 'versionType': 'git'}, {'status': 'affected', 'version': 'ff092385e8285c03d8b148f42f46f98c5f4becd5', 'lessThan': '491139c17f8ad5773303068411f6ac5eed438b51', 'versionType': 'git'}, {'status': 'affected', 'version': 'ff092385e8285c03d8b148f42f46f98c5f4becd5', 'lessThan': '3ac9d4241d205f5d0df06358349ca718ebb0fa12', 'versionType': 'git'}, {'status': 'affected', 'version': 'ff092385e8285c03d8b148f42f46f98c5f4becd5', 'lessThan': '643125b66ffc1147c66616b749475ba9efb15971', 'versionType': 'git'}, {'status': 'affected', 'version': 'ff092385e8285c03d8b148f42f46f98c5f4becd5', 'lessThan': 'c15392ed9e49c1a16b4d3a3ccf1b3bf2318a6c28', 'versionType': 'git'}, {'status': 'affected', 'version': 'ff092385e8285c03d8b148f42f46f98c5f4becd5', 'lessThan': 'ee24928ecd85db4b68ed111e91fef36af0ca37b0', 'versionType': 'git'}, {'status': 'affected', 'version': 'ff092385e8285c03d8b148f42f46f98c5f4becd5', 'lessThan': 'd99df02ff427f461102230f9c5b90a6c64ee8e23', 'versionType': 'git'}], 'programFiles': ['arch/x86/kvm/svm/svm.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '2.6.32'}, {'status': 'unaffected', 'version': '0', 'lessThan': '2.6.32', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '5.15.209', 'versionType': 'semver', 'lessThanOrEqual': '5.15.*'}, {'status': 'unaffected', 'version': '6.1.175', 'versionType': 'semver', 'lessThanOrEqual': '6.1.*'}, {'status': 'unaffected', 'version': '6.6.140', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.86', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.27', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.0.4', 'versionType': 'semver', 'lessThanOrEqual': '7.0.*'}, {'status': 'unaffected', 'version': '7.1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['arch/x86/kvm/svm/svm.c'], 'defaultStatus': 'affected'}] -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jun. 01, 2026
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/491139c17f8ad5773303068411f6ac5eed438b51 Added Reference https://git.kernel.org/stable/c/ebb63390142c6458fc37758e0892759989cc159f -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 27, 2026
Action Type Old Value New Value Added Description 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@] Added Reference https://git.kernel.org/stable/c/3ac9d4241d205f5d0df06358349ca718ebb0fa12 Added Reference https://git.kernel.org/stable/c/643125b66ffc1147c66616b749475ba9efb15971 Added Reference https://git.kernel.org/stable/c/c15392ed9e49c1a16b4d3a3ccf1b3bf2318a6c28 Added Reference https://git.kernel.org/stable/c/d99df02ff427f461102230f9c5b90a6c64ee8e23 Added Reference https://git.kernel.org/stable/c/ee24928ecd85db4b68ed111e91fef36af0ca37b0