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CVE-2026-90146: Linux 5.9
CVE-2026-90146. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.00173 (percentile 0.06304), scored 14-Oct-2026.
Affected technology
Linux · 026a4c28e1db3b0cb99cd9a3e495d4a8b632fa74 to before 486dbe7efec2be19cd3625be282f7f6b34a3f2c5, 026a4c28e1db3b0cb99cd9a3e495d4a8b632fa74 to before ea7b35dcc9430293b861bc7bad0c546f193c85f9, 026a4c28e1db3b0cb99cd9a3e495d4a8b632fa74 to before 03022dd874070768a7099f18b1944c633641315f, 026a4c28e1db3b0cb99cd9a3e495d4a8b632fa74 to before ad27ed7d2309419a129078d781504f486b1b469a
Linux
Linux · 5.9
Linux
Component: Not specified by the source
File: net/core/dev.c
Attack conditions (Source advisory, CVSS 3.1): Local · Low privileges required · No user interaction required
What an attacker can do
A user can make an XDP link with a normal program and then swap in an offloaded or device-bound program with BPF_LINK_UPDATE, which puts it on the software path. dev_xdp_install() is the one place all three paths go through: "ip link set xdp" and BPF_LINK_CREATE reach it via dev_xdp_attach(), and BPF_LINK_UPDATE calls it directly. Source advisory’s CVSS 3.1 assessment (base score 7.8/10) rates confidentiality, integrity and availability impact as high.
- CCR priority
- 31.2 /100 (P4)
- CVSS 3.1
- 7.8 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · Source advisory
- EPSS
- 0.00173 · percentile 0.06304 · 2026-10-14
- KEV
- no
Provenance
- GitHub Advisory Database · Source record · observed 2026-10-15 12:39:55.759815+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-15 11:57:11.427822+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-90146.html