Vulnerability in Linux

CVE-2026-89838

In the Linux kernel, the following vulnerability has been resolved: f2fs: limit recovery filename logging to stored length F2FS stores recovery filenames as a length plus a fixed-size i_name buffer. The buffer is not NUL-terminated, but recover_inode() and recover_dentry() print it with %s. For a 255-byte filename, recovery logging can read past i_name into the following raw inode fields. Print the name with a precision bounded by i_namelen and F2FS_NAME_LEN.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.

Affected products

References

Frequently asked questions

What is CVE-2026-89838?
CVE-2026-89838 is a high-severity vulnerability in Linux. CVSS score: 7.1/10. Published 2026-09-16.
How severe is CVE-2026-89838?
High severity. CVSS v3 base score is 7.1 out of 10.