{"id":"CVE-2022-49774","title":"KVM: x86/xen: Fix eventfd error handling in kvm_xen_eventfd_assign()","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: x86/xen: Fix eventfd error handling in kvm_xen_eventfd_assign()\n\nShould not call eventfd_ctx_put() in case of error.\n\n[Introduce new goto target instead. - Paolo]","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 2fd6df2f2b47d4301b1ee0fe9d627d1c061a5988 < d76f46f47dfde220712d1420ee5dbc546c8fc674","Linux >= 2fd6df2f2b47d4301b1ee0fe9d627d1c061a5988 < 7353633814f6e5b4899fb9ee1483709d6bb0e1cd","Linux 5.19"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T19:47:22.413661Z"},"published":"2025-05-01","updated":"2026-11-05","sourceUpdated":"2026-11-05T19:49:43.522Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2022-49774","references":[{"url":"https://git.kernel.org/stable/c/d76f46f47dfde220712d1420ee5dbc546c8fc674"},{"url":"https://git.kernel.org/stable/c/7353633814f6e5b4899fb9ee1483709d6bb0e1cd"}],"tags":["cve.org"],"epss":0.0017,"epssPercentile":0.06462,"ingestedAt":"2026-11-05T22:38:31.589Z","slug":"CVE-2022-49774","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nKVM: x86/xen: Fix eventfd error handling in kvm_xen_eventfd_assign()\n\nShould not call eventfd_ctx_put() in case of error.\n\n[Introduce new goto target instead. - Paolo]\n\n## Affected\n\n- `Linux >= 2fd6df2f2b47d4301b1ee0fe9d627d1c061a5988 < d76f46f47dfde220712d1420ee5dbc546c8fc674`\n- `Linux >= 2fd6df2f2b47d4301b1ee0fe9d627d1c061a5988 < 7353633814f6e5b4899fb9ee1483709d6bb0e1cd`\n- `Linux 5.19`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}