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CVE-2025-38219— f2fs: prevent kernel warning due to negative i_nlink from corrupted image

EPSS 0.10% · P28
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I. Basic Information for CVE-2025-38219

Vulnerability Information
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Vulnerability Title
f2fs: prevent kernel warning due to negative i_nlink from corrupted image
Source: NVD (National Vulnerability Database)
Vulnerability 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 &lt;0f&gt; 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 &lt;48&gt; 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>
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于负i_nlink导致内核警告。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
LinuxLinux 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 ~ d9a55869d8237e677ddaa18b0f58586364cfbc1c -
LinuxLinux 3.8 -

II. Public POCs for CVE-2025-38219

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III. Intelligence Information for CVE-2025-38219

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Same Patch Batch · Linux · 2025-07-04 · 59 CVEs total

CVE-2025-38215fbdev: Fix do_register_framebuffer to prevent null-ptr-deref in fb_videomode_to_var
CVE-2025-38229media: cxusb: no longer judge rbuf when the write fails
CVE-2025-38231nfsd: Initialize ssc before laundromat_work to prevent NULL dereference
CVE-2025-38230jfs: validate AG parameters in dbMount() to prevent crashes
CVE-2025-38228media: imagination: fix a potential memory leak in e5010_probe()
CVE-2025-38233powerpc64/ftrace: fix clobbered r15 during livepatching
CVE-2025-38221ext4: fix out of bounds punch offset
CVE-2025-38218f2fs: fix to do sanity check on sit_bitmap_size
CVE-2025-38217hwmon: (ftsteutates) Fix TOCTOU race in fts_read()
CVE-2025-38216iommu/vt-d: Restore context entry setup order for aliased devices
CVE-2025-38220ext4: only dirty folios when data journaling regular files
CVE-2025-38214fbdev: Fix fb_set_var to prevent null-ptr-deref in fb_videomode_to_var
CVE-2025-38212ipc: fix to protect IPCS lookups using RCU
CVE-2025-38211RDMA/iwcm: Fix use-after-free of work objects after cm_id destruction
CVE-2025-38210configfs-tsm-report: Fix NULL dereference of tsm_ops
CVE-2025-38209nvme-tcp: remove tag set when second admin queue config fails
CVE-2025-38208smb: client: add NULL check in automount_fullpath
CVE-2025-38207mm: fix uprobe pte be overwritten when expanding vma
CVE-2025-38206exfat: fix double free in delayed_free
CVE-2025-38205drm/amd/display: Avoid divide by zero by initializing dummy pitch to 1

Showing top 20 of 59 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-38219

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