{"schema":"threatline.record/2","record":{"id":"CVE-2026-98907","aliases":[],"summary":"btrfs: protect sb_write_pointer() with invalidate lock","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: protect sb_write_pointer() with invalidate lock\n\nsb_write_pointer() reads the super block from the block device page cache\nusing read_cache_page_gfp(). This has the same race with BLKBSZSET as the\none fixed by commit 3f29d661e568 (\"btrfs: sync read disk super and set\nblock size\").\n\nTake the mapping invalidate lock around read_cache_page_gfp() to\nserialize the read against block size changes.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98907","source_modified_at":"2026-10-23T11:54:44.224Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Linux","vendor":"Linux","versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"c9b38f2eab5a9bd74087390318d93ccdd8d2deff","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"a0dc28359a8a26f970ccd250b126a2e0bd4118a5","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"1a6c92aa7242a04e4349c0ea213dbf703a1c9891","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"a58cab4535f085adc0f93d7efd7952ef437371da","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"80cd97c5e90096d040a623851795eac92fbd0ff1","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"123b9a545f4d0348e81f558a032bf2a93ee5722f","status":"affected","versionType":"git"},{"version":"0","lessThan":"5.15.222","status":"affected","versionType":"semver"},{"version":"0","lessThan":"6.1.189","status":"affected","versionType":"semver"},{"version":"0","lessThan":"6.6.158","status":"affected","versionType":"semver"},{"version":"0","lessThan":"6.12.111","status":"affected","versionType":"semver"},{"version":"0","lessThan":"6.18.53","status":"affected","versionType":"semver"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98907","source_modified_at":"2026-10-23T11:54:44.224Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Linux","vendor":"Linux","versions":[{"version":"5.15.222","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.189","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.158","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.111","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.53","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}],"defaultStatus":"affected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98907","source_modified_at":"2026-10-23T11:54:44.224Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"1a6c92aa7242a04e4349c0ea213dbf703a1c9891","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98907","source_modified_at":"2026-10-23T11:54:44.224Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"80cd97c5e90096d040a623851795eac92fbd0ff1","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98907","source_modified_at":"2026-10-23T11:54:44.224Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"123b9a545f4d0348e81f558a032bf2a93ee5722f","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98907","source_modified_at":"2026-10-23T11:54:44.224Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"5.15.222","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98907","source_modified_at":"2026-10-23T11:54:44.224Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"6.1.189","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98907","source_modified_at":"2026-10-23T11:54:44.224Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"6.6.158","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98907","source_modified_at":"2026-10-23T11:54:44.224Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"6.12.111","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98907","source_modified_at":"2026-10-23T11:54:44.224Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"6.18.53","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":"2026-10-23T11:54:44.224Z","modified_at":"2026-10-23T11:54:44.224Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-98907","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T11:54:44.224Z"}],"sources":["CVE List"],"references":[{"source":"CVE List","url":"https://git.kernel.org/stable/c/c9b38f2eab5a9bd74087390318d93ccdd8d2deff"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/a0dc28359a8a26f970ccd250b126a2e0bd4118a5"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/1a6c92aa7242a04e4349c0ea213dbf703a1c9891"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/a58cab4535f085adc0f93d7efd7952ef437371da"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/80cd97c5e90096d040a623851795eac92fbd0ff1"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/123b9a545f4d0348e81f558a032bf2a93ee5722f"}],"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":"2026-10-23T11:54:44.224Z","content_hash":"7f5f388b177ff1fe1986b4f36461815515085f18bd01889435cd10be06eb0840"}}