CVE-2026-89838

CVE-2026-89838

High · published September 16, 2026

CVSS v3.1
7.1
EPSS
0%
Percentile
5.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.1 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00166 · 5.5th percentile
Published
2026-09-16T15:16Z
References (5)
EPSS history
Timeline
  • 18 SEP 04:02Z
    EPSS moved — → 0%
    epss
  • 16 SEP 10:31Z
    f2fs: limit recovery filename logging to stored length
    cvelistv5