{"api_version":"1","generated_at":"2026-10-26T06:23:07+00:00","cve":"CVE-2026-98907","urls":{"html":"https://cve.report/CVE-2026-98907","api":"https://cve.report/api/cve/CVE-2026-98907.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-98907","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-98907"},"summary":{"title":"btrfs: protect sb_write_pointer() with invalidate lock","description":"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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-10-23 12:18:24","updated_at":"2026-10-23 12:18:24"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/123b9a545f4d0348e81f558a032bf2a93ee5722f","name":"https://git.kernel.org/stable/c/123b9a545f4d0348e81f558a032bf2a93ee5722f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/80cd97c5e90096d040a623851795eac92fbd0ff1","name":"https://git.kernel.org/stable/c/80cd97c5e90096d040a623851795eac92fbd0ff1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a0dc28359a8a26f970ccd250b126a2e0bd4118a5","name":"https://git.kernel.org/stable/c/a0dc28359a8a26f970ccd250b126a2e0bd4118a5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a58cab4535f085adc0f93d7efd7952ef437371da","name":"https://git.kernel.org/stable/c/a58cab4535f085adc0f93d7efd7952ef437371da","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1a6c92aa7242a04e4349c0ea213dbf703a1c9891","name":"https://git.kernel.org/stable/c/1a6c92aa7242a04e4349c0ea213dbf703a1c9891","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c9b38f2eab5a9bd74087390318d93ccdd8d2deff","name":"https://git.kernel.org/stable/c/c9b38f2eab5a9bd74087390318d93ccdd8d2deff","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98907","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98907","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 c9b38f2eab5a9bd74087390318d93ccdd8d2deff git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 a0dc28359a8a26f970ccd250b126a2e0bd4118a5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 1a6c92aa7242a04e4349c0ea213dbf703a1c9891 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 a58cab4535f085adc0f93d7efd7952ef437371da git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 80cd97c5e90096d040a623851795eac92fbd0ff1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 123b9a545f4d0348e81f558a032bf2a93ee5722f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.15.222 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.1.189 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.6.158 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.12.111 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.18.53 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.222 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.189 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.158 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.111 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.53 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/btrfs/zoned.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"c9b38f2eab5a9bd74087390318d93ccdd8d2deff","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"a0dc28359a8a26f970ccd250b126a2e0bd4118a5","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"1a6c92aa7242a04e4349c0ea213dbf703a1c9891","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"a58cab4535f085adc0f93d7efd7952ef437371da","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"80cd97c5e90096d040a623851795eac92fbd0ff1","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"123b9a545f4d0348e81f558a032bf2a93ee5722f","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"5.15.222","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.1.189","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.6.158","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.12.111","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.18.53","status":"affected","version":"0","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["fs/btrfs/zoned.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.222","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.189","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.158","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.111","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.53","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.222","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.189","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.158","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.111","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.53","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"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."}],"providerMetadata":{"dateUpdated":"2026-10-23T11:54:44.224Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/c9b38f2eab5a9bd74087390318d93ccdd8d2deff"},{"url":"https://git.kernel.org/stable/c/a0dc28359a8a26f970ccd250b126a2e0bd4118a5"},{"url":"https://git.kernel.org/stable/c/1a6c92aa7242a04e4349c0ea213dbf703a1c9891"},{"url":"https://git.kernel.org/stable/c/a58cab4535f085adc0f93d7efd7952ef437371da"},{"url":"https://git.kernel.org/stable/c/80cd97c5e90096d040a623851795eac92fbd0ff1"},{"url":"https://git.kernel.org/stable/c/123b9a545f4d0348e81f558a032bf2a93ee5722f"}],"title":"btrfs: protect sb_write_pointer() with invalidate lock","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-98907","datePublished":"2026-10-23T11:54:44.224Z","dateReserved":"2026-09-25T10:25:14.379Z","dateUpdated":"2026-10-23T11:54:44.224Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-23 12:18:24","lastModifiedDate":"2026-10-23 12:18:24","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"98907","Ordinal":"1","Title":"btrfs: protect sb_write_pointer() with invalidate lock","CVE":"CVE-2026-98907","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"98907","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"btrfs: protect sb_write_pointer() with invalidate lock"}]}}}