{"cve":"CVE-2022-48793","nvd":{"published":"2024-07-16T12:15:04.067","modified":"2026-06-17T05:16:12.543","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: x86: nSVM: fix potential NULL derefernce on nested migration\n\nTurns out that due to review feedback and/or rebases\nI accidentally moved the call to nested_svm_load_cr3 to be too early,\nbefore the NPT is enabled, which is very wrong to do.\n\nKVM can't even access guest memory at that point as nested NPT\nis needed for that, and of course it won't initialize the walk_mmu,\nwhich is main issue the patch was addressing.\n\nFix this for real.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-476"],"references":["https://git.kernel.org/stable/c/352193edda48e08e8824a7ece09aec830a603cfe","https://git.kernel.org/stable/c/74b426bea4f7e3b081add2b88d4fba16d3af7ab6","https://git.kernel.org/stable/c/e1779c2714c3023e4629825762bcbc43a3b943df","https://git.kernel.org/stable/c/352193edda48e08e8824a7ece09aec830a603cfe","https://git.kernel.org/stable/c/74b426bea4f7e3b081add2b88d4fba16d3af7ab6"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:52:42.518321223+00:00"},"epss":{"cve":"CVE-2022-48793","score":0.00241,"percentile":0.15252,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}