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CVE-2025-68769— f2fs: fix return value of f2fs_recover_fsync_data()

EPSS 0.07% · P21

Affected Version Matrix 17

VendorProductVersion RangeStatus
LinuxLinux6781eabba1bdb133eb9125c4acf6704ccbe4df02< e6ac31abd30e9fd2ef5f0819ce7f3f932be3b725affected
6781eabba1bdb133eb9125c4acf6704ccbe4df02< 0de4977a1eeafe9d77701e3c031a1bcdba389243affected
6781eabba1bdb133eb9125c4acf6704ccbe4df02< 9bc246018aaa3b46a7710428d0a2196c229f9d49affected
6781eabba1bdb133eb9125c4acf6704ccbe4df02< a4c67d96f92eefcfa5596a08f069e77b743c5865affected
6781eabba1bdb133eb9125c4acf6704ccbe4df02< 473550e715654ad7612aa490d583cb7c25fe2ff3affected
6781eabba1bdb133eb9125c4acf6704ccbe4df02< 4560db9678a2c5952b6205fbca468c6805c2ba2aaffected
6781eabba1bdb133eb9125c4acf6704ccbe4df02< 01fba45deaddcce0d0b01c411435d1acf6feab7baffected
1499d39b74f5957e932639a86487ccea5a0a9740affected
… +9 more rows
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I. Basic Information for CVE-2025-68769

Vulnerability Information
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Vulnerability Title
f2fs: fix return value of f2fs_recover_fsync_data()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix return value of f2fs_recover_fsync_data() With below scripts, it will trigger panic in f2fs: mkfs.f2fs -f /dev/vdd mount /dev/vdd /mnt/f2fs touch /mnt/f2fs/foo sync echo 111 >> /mnt/f2fs/foo f2fs_io fsync /mnt/f2fs/foo f2fs_io shutdown 2 /mnt/f2fs umount /mnt/f2fs mount -o ro,norecovery /dev/vdd /mnt/f2fs or mount -o ro,disable_roll_forward /dev/vdd /mnt/f2fs F2FS-fs (vdd): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 F2FS-fs (vdd): Mounted with checkpoint version = 7f5c361f F2FS-fs (vdd): Stopped filesystem due to reason: 0 F2FS-fs (vdd): f2fs_recover_fsync_data: recovery fsync data, check_only: 1 Filesystem f2fs get_tree() didn't set fc->root, returned 1 ------------[ cut here ]------------ kernel BUG at fs/super.c:1761! Oops: invalid opcode: 0000 [#1] SMP PTI CPU: 3 UID: 0 PID: 722 Comm: mount Not tainted 6.18.0-rc2+ #721 PREEMPT(voluntary) Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:vfs_get_tree.cold+0x18/0x1a Call Trace: <TASK> fc_mount+0x13/0xa0 path_mount+0x34e/0xc50 __x64_sys_mount+0x121/0x150 do_syscall_64+0x84/0x800 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7fa6cc126cfe The root cause is we missed to handle error number returned from f2fs_recover_fsync_data() when mounting image w/ ro,norecovery or ro,disable_roll_forward mount option, result in returning a positive error number to vfs_get_tree(), fix it.
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f2fs_recover_fsync_data()返回值错误，可能导致内核崩溃。
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 6781eabba1bdb133eb9125c4acf6704ccbe4df02 ~ e6ac31abd30e9fd2ef5f0819ce7f3f932be3b725 -
LinuxLinux 4.7 -

II. Public POCs for CVE-2025-68769

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III. Intelligence Information for CVE-2025-68769

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Same Patch Batch · Linux · 2026-01-13 · 93 CVEs total

CVE-2025-710897.8 HIGHiommu: disable SVA when CONFIG_X86 is set
CVE-2025-71069f2fs: invalidate dentry cache on failed whiteout creation
CVE-2025-71068svcrdma: bound check rq_pages index in inline path
CVE-2025-71065f2fs: fix to avoid potential deadlock
CVE-2025-68821fuse: fix readahead reclaim deadlock
CVE-2025-68820ext4: xattr: fix null pointer deref in ext4_raw_inode()
CVE-2025-68819media: dvb-usb: dtv5100: fix out-of-bounds in dtv5100_i2c_msg()
CVE-2025-68818scsi: Revert "scsi: qla2xxx: Perform lockless command completion in abort path"
CVE-2025-68817ksmbd: fix use-after-free in ksmbd_tree_connect_put under concurrency
CVE-2025-68823ublk: fix deadlock when reading partition table
CVE-2025-71067ntfs: set dummy blocksize to read boot_block when mounting
CVE-2025-71071iommu/mediatek: fix use-after-free on probe deferral
CVE-2025-71070ublk: clean up user copy references on ublk server exit
CVE-2025-71072shmem: fix recovery on rename failures
CVE-2025-71073Input: lkkbd - disable pending work before freeing device
CVE-2025-71074functionfs: fix the open/removal races
CVE-2025-71075scsi: aic94xx: fix use-after-free in device removal path
CVE-2025-71077tpm: Cap the number of PCR banks
CVE-2025-71076drm/xe/oa: Limit num_syncs to prevent oversized allocations
CVE-2025-71078powerpc/64s/slb: Fix SLB multihit issue during SLB preload

Showing top 20 of 93 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-68769

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