CVE-2026-90141 Linux Kernel - Integer Overflow

Linux kernel contains an integer overflow in ipvs ftp helper port/address parsing caused by unchecked accumulation of decimal digits, letting attackers craft FTP responses with truncated port/address, exploit requires crafted FTP PASV/EPSV response.

CVSS base score 7.3 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.45% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Integer Overflow
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Published
17 September 2026
Updated
15 October 2026

Vendor fix

Update to the latest Linux kernel version with the fix applied.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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