CVE-2025-38219f2fs: prevent kernel warning due to negative i_nlink from corrupted image
- 5.5MediumCVSS base score
- 0.19%Exploitation in 30 daysEPSS · top 92% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In the Linux kernel, the following vulnerability has been resolved: f2fs: prevent kernel warning due to negative i_nlink from corrupted image WARNING: CPU: 1 PID: 9426 at fs/inode.c:417 drop_nlink+0xac/0xd0 home/cc/linux/fs/inode.c:417 Modules linked in: CPU: 1 UID: 0 PID: 9426 Comm: syz-executor568 Not tainted 6.14.0-12627-g94d471a4f428 #2 PREEMPT(full) Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014 RIP: 0010:drop_nlink+0xac/0xd0 home/cc/linux/fs/inode.c:417 Code: 48 8b 5d 28 be 08 00 00 00 48 8d bb 70 07 00 00 e8 f9 67 e6 ff f0 48 ff 83 70 07 00 00 5b 5d e9 9a 12 82 ff e8 95 12 82 ff 90 <0f> 0b 90 c7 45 48 ff ff ff ff 5b 5d e9 83 12 82 ff e8 fe 5f e6 ff RSP: 0018:ffffc900026b7c28 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8239710f RDX: ffff888041345a00 RSI: ffffffff8239717b RDI: 0000000000000005 RBP: ffff888054509ad0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: ffffffff9ab36f08 R12: ffff88804bb40000 R13: ffff8880545091e0 R14: 0000000000008000 R15: ffff8880545091e0 FS: 000055555d0c5880(0000) GS:ffff8880eb3e3000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f915c55b178 CR3: 0000000050d20000 CR4: 0000000000352ef0 Call Trace: <task> f2fs_i_links_write home/cc/linux/fs/f2fs/f2fs.h:3194 [inline] f2fs_drop_nlink+0xd1/0x3c0 home/cc/linux/fs/f2fs/dir.c:845 f2fs_delete_entry+0x542/0x1450 home/cc/linux/fs/f2fs/dir.c:909 f2fs_unlink+0x45c/0x890 home/cc/linux/fs/f2fs/namei.c:581 vfs_unlink+0x2fb/0x9b0 home/cc/linux/fs/namei.c:4544 do_unlinkat+0x4c5/0x6a0 home/cc/linux/fs/namei.c:4608 __do_sys_unlink home/cc/linux/fs/namei.c:4654 [inline] __se_sys_unlink home/cc/linux/fs/namei.c:4652 [inline] __x64_sys_unlink+0xc5/0x110 home/cc/linux/fs/namei.c:4652 do_syscall_x64 home/cc/linux/arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xc7/0x250 home/cc/linux/arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb3d092324b Code: 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 57 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffdc232d938 EFLAGS: 00000206 ORIG_RAX: 0000000000000057 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb3d092324b RDX: 00007ffdc232d960 RSI: 00007ffdc232d960 RDI: 00007ffdc232d9f0 RBP: 00007ffdc232d9f0 R08: 0000000000000001 R09: 00007ffdc232d7c0 R10: 00000000fffffffd R11: 0000000000000206 R12: 00007ffdc232eaf0 R13: 000055555d0cebb0 R14: 00007ffdc232d958 R15: 0000000000000001 </task>
Timeline
ID reserved
By Linux
- 3 months later
· 3 months later
Published
- 10 months later
· 10 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Analyzed | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.19% · top 92% of all CVEs (13 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
- affected 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 – < d9a55869d8237e677ddaa18b0f58586364cfbc1c
- affected 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 – < 1f6332872374b7f482fc4ad865f9422fedb587fc
- affected 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 – < fbfe8446cd3274b9e367f5708d94574230a44409
- affected 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 – < 5018d035530b6fbfad33eeb1dd1bc87da419a276
- affected 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 – < a87cbcc909ccfd394d4936a94663f586453d0961
- affected 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 – < aaa644e7ffff02e12c89cbce4753bc0b6f23ff87
- affected 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 – < d14cbed4baccd712447fb3f9c011f008b56b2097
- affected 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 – < 42cb74a92adaf88061039601ddf7c874f58b554e
- affected 3.8
- unaffected < 3.8
- unaffected 5.4.295 – ≤ 5.4.*
- unaffected 5.10.239 – ≤ 5.10.*
- unaffected 5.15.186 – ≤ 5.15.*
- unaffected 6.1.142 – ≤ 6.1.*
- unaffected 6.6.95 – ≤ 6.6.*
- unaffected 6.12.35 – ≤ 6.12.*
- unaffected 6.15.4 – ≤ 6.15.*
- unaffected 6.16 – ≤ *
References
References10
- https://git.kernel.org/stable/c/d9a55869d8237e677ddaa18b0f58586364cfbc1c (opens in a new tab)
- https://git.kernel.org/stable/c/1f6332872374b7f482fc4ad865f9422fedb587fc (opens in a new tab)
- https://git.kernel.org/stable/c/fbfe8446cd3274b9e367f5708d94574230a44409 (opens in a new tab)
- https://git.kernel.org/stable/c/5018d035530b6fbfad33eeb1dd1bc87da419a276 (opens in a new tab)
- https://git.kernel.org/stable/c/a87cbcc909ccfd394d4936a94663f586453d0961 (opens in a new tab)
- https://git.kernel.org/stable/c/aaa644e7ffff02e12c89cbce4753bc0b6f23ff87 (opens in a new tab)
- https://git.kernel.org/stable/c/d14cbed4baccd712447fb3f9c011f008b56b2097 (opens in a new tab)
- https://git.kernel.org/stable/c/42cb74a92adaf88061039601ddf7c874f58b554e (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2025-20037 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2025-38219)Record last updated .