{"id":"CVE-2026-98907","revision":"2f9543be1b834bd085ef65b47c9f19db","records":[{"revision":"2f9543be1b834bd085ef65b47c9f19db","observedAt":"2026-10-26T08:20:49.483+00:00","statement":{"source":"cve-program","id":"CVE-2026-98907","aliases":[],"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":0,"publishedAt":"2026-10-23T11:54:44.224+00:00","modifiedAt":"2026-10-26T06:56:36.536+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                        \"fs/btrfs/zoned.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"3c20917120ce61f2a123ca0810293872f4c6b5a4\",\n                            \"lessThan\": \"80cd97c5e90096d040a623851795eac92fbd0ff1\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"3c20917120ce61f2a123ca0810293872f4c6b5a4\",\n                            \"lessThan\": \"123b9a545f4d0348e81f558a032bf2a93ee5722f\",\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                        \"fs/btrfs/zoned.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.15\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.15\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.53\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/80cd97c5e90096d040a623851795eac92fbd0ff1","https://git.kernel.org/stable/c/123b9a545f4d0348e81f558a032bf2a93ee5722f"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98907","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-98907","identifiers":["CVE-2026-98907"]},"retained":false,"historicalAffected":[]}],"coverage":[]}