Critical severity · published Dec 16, 2025
CVE-2025-68315
f2fs: fix to detect potential corrupted nid in free_nid_list
9.8
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Linux · Linux
98e4da8ca301e062d79ae168c67e56f3c3de3ce4 before 88b2ddb0c4f1dc874d4598e78cc830c64315ed86; 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 before 9337ed5e777e1c19854928cba7a8131dd00e611b; 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 before 6b9525596a83cd5b7bbc2c7bd5f9ad9cf5ad60fa; 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 before adbcb34f03abb89e681a5907c4c3ce4bf224991d; 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 before 8fc6056dcf79937c46c97fa4996cda65956437a9; 3.8 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-68315
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-68315
git.kernel.org
https://git.kernel.org/stable/c/6b9525596a83cd5b7bbc2c7bd5f9ad9cf5ad60fa
git.kernel.org
https://git.kernel.org/stable/c/88b2ddb0c4f1dc874d4598e78cc830c64315ed86
git.kernel.org
https://git.kernel.org/stable/c/8fc6056dcf79937c46c97fa4996cda65956437a9
git.kernel.org
https://git.kernel.org/stable/c/9337ed5e777e1c19854928cba7a8131dd00e611b
git.kernel.org
https://git.kernel.org/stable/c/adbcb34f03abb89e681a5907c4c3ce4bf224991d
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