{"id":"CVE-2026-90141","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nipvs: fix integer overflow in ftp helper port/address parsing\n\nip_vs_ftp_get_addrport() accumulates decimal digits into a __u16\n(hport) and into unsigned char (p[]) wit…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nipvs: fix integer overflow in ftp helper port/address parsing\n\nip_vs_ftp_get_addrport() accumulates decimal digits into a __u16\n(hport) and into unsigned char (p[]) wit…","severity":"high","cvss":7.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","vendor":"Linux","product":"Linux","affected":["Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < d02de9a7a7e2484da0cf37e50614840623b98a62","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < fc1493c905d7e0bc8830c1d83915cb7831daf1a1","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 50cb9b7263a2ed01f7d2f97818a800c2ee05f661","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < deaa88fa010ba0dfc554d09e006ddd1ce9945c82","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 00bcc6d679262ea42688fba1d7819ea6e56f12ef","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 4aed450adaee3a021db27be94c61fe025b0d05ff","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < b1908bff0faaa94d55be72da65879cad632e8236","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < e625a9477d12baaff4025c5f9989184a907ea8fc","Linux 2.6.12"],"published":"2026-09-17","updated":"2026-09-18","sourceUpdated":"2026-09-18T18:17:43.397","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-90141","references":[{"url":"https://git.kernel.org/stable/c/00bcc6d679262ea42688fba1d7819ea6e56f12ef","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4aed450adaee3a021db27be94c61fe025b0d05ff","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/50cb9b7263a2ed01f7d2f97818a800c2ee05f661","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b1908bff0faaa94d55be72da65879cad632e8236","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d02de9a7a7e2484da0cf37e50614840623b98a62","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/deaa88fa010ba0dfc554d09e006ddd1ce9945c82","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e625a9477d12baaff4025c5f9989184a907ea8fc","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/fc1493c905d7e0bc8830c1d83915cb7831daf1a1","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"epss":0.00433,"epssPercentile":0.36986,"ingestedAt":"2026-09-17T16:21:47.880Z","slug":"CVE-2026-90141","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nipvs: fix integer overflow in ftp helper port/address parsing\n\nip_vs_ftp_get_addrport() accumulates decimal digits into a __u16\n(hport) and into unsigned char (p[]) without checking for overflow.\nA crafted FTP PASV/EPSV response with an over-long port or address\noctet wraps the value, so the helper configures the data connection\nwith a truncated port/address.\n\nThe netfilter conntrack FTP helper had the same defect, fixed in\ncommit 2b413fc689ba (\"netfilter: nf_conntrack_ftp: avoid u16\noverflows\"). Apply the equivalent fix here: widen the port accumulator\nto u32 and reject values above 65535, and reject address octets above\n255.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":40,"depthScoreParts":{"impact":40.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":207139,"id":"CVE-2026-90141","ts":1789757335264,"field":"cvss","old":null,"new":"7.3"},{"seq":207138,"id":"CVE-2026-90141","ts":1789757335264,"field":"severity","old":"none","new":"high"}]}