{"id":"CVE-2025-21699","title":"In the Linux kernel, the following vulnerability has been resolved:\n\ngfs2: Truncate address space when flipping GFS2_DIF_JDATA flag\n\nTruncate an inode's address space when flipping the GFS2_DIF_JDATA flag:\ndepending on that flag, the pag…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ngfs2: Truncate address space when flipping GFS2_DIF_JDATA flag\n\nTruncate an inode's address space when flipping the GFS2_DIF_JDATA flag:\ndepending on that flag, the pag…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","vendor":"linux","product":"linux_kernel","affected":["linux_kernel < 5.4.290","linux_kernel >= 5.5, < 5.10.234","linux_kernel >= 5.11, < 5.15.178","linux_kernel >= 5.16, < 6.1.128","linux_kernel >= 6.2, < 6.6.75","linux_kernel >= 6.7, < 6.12.12","linux_kernel = 6.13"],"patched":["linux_kernel 6.12.12"],"published":"2025-02-12","updated":"2026-07-30","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-21699","references":[{"url":"https://git.kernel.org/stable/c/2a40a140e11fec699e128170ccaa98b6b82cb503","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4516febe325342555bb09ca5b396fb816d655821","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4dd57d1f0e9844311c635a7fb39abce4f2ac5a61","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4e3ded34f3f3c9d7ed2aac7be8cf51153646574a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5bb1fd0855bb0abc7d97e44758d6ffed7882d2d0","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7c9d9223802fbed4dee1ae301661bf346964c9d2","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8c41abc11aa8438c9ed2d973f97e66674c0355df","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.00248,"epssPercentile":0.16436,"ingestedAt":"2026-07-30T06:53:09.267Z","slug":"CVE-2025-21699","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ngfs2: Truncate address space when flipping GFS2_DIF_JDATA flag\n\nTruncate an inode's address space when flipping the GFS2_DIF_JDATA flag:\ndepending on that flag, the pages in the address space will either use\nbuffer heads or iomap_folio_state structs, and we cannot mix the two.\n\n## Affected\n\n- `linux_kernel < 5.4.290`\n- `linux_kernel >= 5.5, < 5.10.234`\n- `linux_kernel >= 5.11, < 5.15.178`\n- `linux_kernel >= 5.16, < 6.1.128`\n- `linux_kernel >= 6.2, < 6.6.75`\n- `linux_kernel >= 6.7, < 6.12.12`\n- `linux_kernel = 6.13`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.12.12`","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}