{"id":"CVE-2026-98907","published":"2026-10-23T12:18:24.793","lastModified":"2026-10-26T07:17:16.060","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.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/123b9a545f4d0348e81f558a032bf2a93ee5722f","tags":[]},{"url":"https://git.kernel.org/stable/c/80cd97c5e90096d040a623851795eac92fbd0ff1","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}