CVE-2025-68769: linux

CVSS: UnknownDeferred
AliasesUBUNTU-CVE-2025-68769DEBIAN-CVE-2025-68769
Published 13-01-2026Last modified 23-05-2026
Open JSON

Vulnerability summary

CVE-2025-68769 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10.1% of scored vulnerabilities.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
0.21%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 34 · Related 30
DLA-4475-1DLA-4476-1DSA-6126-1DSA-6127-1MGASA-2026-0017MGASA-2026-0018

Timeline

  1. 13-01-2026
    PublishedVulnerability first disclosed.
  2. 23-05-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

Risk metrics not yet published.

EPSS trend

Probability

0.21%

Chance of exploitation in the next 30 days

Percentile

10%

Versus all other CVEs

30-day change

0.00 pp

From 0.20% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.21%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu157 products
  • linuxAll versions (No fix recorded) | < 5.15.0-173.183 | < 6.8.0-110.110 | < 6.17.0-22.22
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1103.110 | < 6.8.0-1052.55 | < 6.17.0-1012.12
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 6.1.162-1 | < 6.12.69-1 | < 6.18.3-1
Linux1 product
  • linux≥ 6781eabba1bdb133eb9125c4acf6704ccbe4df02, < e6ac31abd30e9fd2ef5f0819ce7f3f932be3b725 | ≥ 6781eabba1bdb133eb9125c4acf6704ccbe4df02, < 0de4977a1eeafe9d77701e3c031a1bcdba389243 | ≥ 6781eabba1bdb133eb9125c4acf6704ccbe4df02, < 9bc246018aaa3b46a7710428d0a2196c229f9d49 | ≥ 6781eabba1bdb133eb9125c4acf6704ccbe4df02, < a4c67d96f92eefcfa5596a08f069e77b743c5865 | ≥ 6781eabba1bdb133eb9125c4acf6704ccbe4df02, < 473550e715654ad7612aa490d583cb7c25fe2ff3 | ≥ 6781eabba1bdb133eb9125c4acf6704ccbe4df02, < 4560db9678a2c5952b6205fbca468c6805c2ba2a | ≥ 6781eabba1bdb133eb9125c4acf6704ccbe4df02, < 01fba45deaddcce0d0b01c411435d1acf6feab7b | 1499d39b74f5957e932639a86487ccea5a0a9740 | ≥ 4.4.172, < 4.5 | 4.7

3 vendors · 159 products

References

42 links
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