{"schema":"threatline.record/2","record":{"id":"CVE-2026-99177","aliases":[],"summary":"KVM: SEV: Fix page dirtying in sev_gmem_post_populate()","details":"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]","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-99177","source_modified_at":"2026-10-28T10:35:31.315Z","fetched_at":"2026-10-28T15:55:58.673066Z","product":"Linux","vendor":"Linux","versions":[{"version":"97cd21d57e9bd2da79845178d9250cfd19289cd4","lessThan":"184382f9852d433af21de96c334ecf43b8414ed8","status":"affected","versionType":"git"},{"version":"97cd21d57e9bd2da79845178d9250cfd19289cd4","lessThan":"97818b2fa7082e940ddd36dab12a68615300e798","status":"affected","versionType":"git"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-99177","source_modified_at":"2026-10-28T10:35:31.315Z","fetched_at":"2026-10-28T15:55:58.673066Z","product":"Linux","vendor":"Linux","versions":[{"version":"7.2","status":"affected"},{"version":"0","lessThan":"7.2","status":"unaffected","versionType":"semver"},{"version":"7.2.13","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}],"defaultStatus":"affected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-99177","source_modified_at":"2026-10-28T10:35:31.315Z","fetched_at":"2026-10-28T15:55:58.673066Z","package":{"name":"Linux","ecosystem":null},"version":"184382f9852d433af21de96c334ecf43b8414ed8","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-99177","source_modified_at":"2026-10-28T10:35:31.315Z","fetched_at":"2026-10-28T15:55:58.673066Z","package":{"name":"Linux","ecosystem":null},"version":"97818b2fa7082e940ddd36dab12a68615300e798","basis":"first unaffected version stated in the CVE record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":null,"percentile":null,"score_date":null},"published_at":"2026-10-28T10:35:31.315Z","modified_at":"2026-10-28T10:35:31.315Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-99177","fetched_at":"2026-10-28T15:55:58.673066Z","source_modified_at":"2026-10-28T10:35:31.315Z"}],"sources":["CVE List"],"references":[{"source":"CVE List","url":"https://git.kernel.org/stable/c/184382f9852d433af21de96c334ecf43b8414ed8"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/97818b2fa7082e940ddd36dab12a68615300e798"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-28T10:35:31.315Z","content_hash":"55e9600491a12e70c9fcf5426ced64197e7692f566ec3778c6790d9e933a4312"}}