CVE-2025-68315 in the critical feed json
f2fs: fix to detect potential corrupted nid in free_nid_list
published 2025-12-16 10 mo ago modified 2026-10-14 26 d ago also EUVD-2025-203754
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 37%
- public exploits
- 0
- none known
Summary
In the Linux kernel, the following vulnerability has been resolved:
f2fs: fix to detect potential corrupted nid in free_nid_list
As reported, on-disk footer.ino and footer.nid is the same and out-of-range, let's add sanity check on f2fs_alloc_nid() to detect any potential corruption in free_nid_list.
Patch / fix
- Linux Linux 6.1.175, 6.6.140, 6.12.58, 6.17.8, 6.18
- linux Debian 12 6.1.176-1
- linux Debian 13 6.12.63-1
- linux Debian 14 6.17.8-1
debian advisories DEBIAN-CVE-2025-68315
- linux Ubuntu 24.04 LTS 6.8.0-106.106
- linux Ubuntu 25.10 6.17.0-14.14
- linux-aws Ubuntu 24.04 LTS 6.8.0-1050.53
- linux-aws Ubuntu 25.10 6.17.0-1007.7
- linux-gcp Ubuntu 24.04 LTS 6.8.0-1052.55
- linux-gcp Ubuntu 25.10 6.17.0-1007.7
- linux-gke Ubuntu 24.04 LTS 6.8.0-1048.53
- linux-ibm Ubuntu 24.04 LTS 6.8.0-1049.49
ubuntu advisories UBUNTU-CVE-2025-68315
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- git.kernel.org/stable/c/88b2ddb0c4f1dc874d4598e78cc830c64315ed86 commit
- git.kernel.org/stable/c/9337ed5e777e1c19854928cba7a8131dd00e611b commit
- git.kernel.org/stable/c/6b9525596a83cd5b7bbc2c7bd5f9ad9cf5ad60fa commit
- git.kernel.org/stable/c/adbcb34f03abb89e681a5907c4c3ce4bf224991d commit
- git.kernel.org/stable/c/8fc6056dcf79937c46c97fa4996cda65956437a9 commit
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2025-68315 updated cvss 8.1
kernel: Linux kernel (f2fs): Denial of service or data corruption via f2fs metadata flaw
-
Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more Red Hat Enterprise Linux 9 rv, perf, rtla, kernel, bpftool, libperf, +83 more Red Hat Enterprise Linux 10 kernelnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Linux Linux
Classification
- Technology feeds
References
- git.kernel.org /stable/c/88b2ddb0c4f1dc874d4598e78cc830c64315ed86
- git.kernel.org /stable/c/9337ed5e777e1c19854928cba7a8131dd00e611b
- git.kernel.org /stable/c/6b9525596a83cd5b7bbc2c7bd5f9ad9cf5ad60fa
- git.kernel.org /stable/c/adbcb34f03abb89e681a5907c4c3ce4bf224991d
- git.kernel.org /stable/c/8fc6056dcf79937c46c97fa4996cda65956437a9
Sources
- CVE List CVE-2025-68315
- NVD CVE-2025-68315
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.