{"id":"CVE-2026-99177","revision":"9fa41519ba5e4de087050253ca0c7ed1","records":[{"revision":"9fa41519ba5e4de087050253ca0c7ed1","observedAt":"2026-10-31T13:33:50.447+00:00","statement":{"source":"cve-program","id":"CVE-2026-99177","aliases":[],"title":"KVM: SEV: Fix page dirtying in sev_gmem_post_populate()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: SEV: Fix page dirtying in sev_gmem_post_populate()\n\nset_page_dirty() requires that the caller holds some kind of lock to\nensure that the page's mapping does not concurrently go away.\nThat is not the case for a random page we got from get_user_pages_fast(),\nso use set_page_dirty_lock().\n\n[sean: tag for stable]","state":0,"publishedAt":"2026-10-28T10:35:31.315+00:00","modifiedAt":"2026-10-31T12:44:45.294+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"arch/x86/kvm/svm/sev.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"97cd21d57e9bd2da79845178d9250cfd19289cd4\",\n                            \"lessThan\": \"184382f9852d433af21de96c334ecf43b8414ed8\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"97cd21d57e9bd2da79845178d9250cfd19289cd4\",\n                            \"lessThan\": \"97818b2fa7082e940ddd36dab12a68615300e798\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"arch/x86/kvm/svm/sev.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"7.2\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"7.2\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.13\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/184382f9852d433af21de96c334ecf43b8414ed8","https://git.kernel.org/stable/c/97818b2fa7082e940ddd36dab12a68615300e798"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-99177","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-99177","identifiers":["CVE-2026-99177"]},"retained":false,"historicalAffected":[]}],"coverage":[]}