Critical Alert 1 Active Exploit Detected Today

CVE-2026-7273 — Zyxel GS1900 Series Switches Stack-Based Buffer Overflow Vulnerability →
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September 22, 2026

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CVE-2026-90258NVD

Vulnerability Summary

In the Linux kernel, the following vulnerability has been resolved:

pinctrl: airoha: add missed IRQ resource helpers

Without hooking .irq_request_resources, gpiolib cannot set
GPIOD_FLAG_USED_AS_IRQ. This breaks pin direction locking and can allow
userspace or another driver to reconfigure an active IRQ pin as an output
Severity Level
UNKNOWN
Published Date
Sep 17, 2026
Last Modified
Sep 17, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.20%Probability
Root Weakness (CWE)
N/A

Affected & Patched Versions

Affected Versions
  • Linux Linux >= 1c8ace2d0725c1c8d5012f8a56c5fb31805aad27 and < fda7350f257e59eee1bc7537c202e36bd56aea97
  • Linux Linux >= 1c8ace2d0725c1c8d5012f8a56c5fb31805aad27 and < 2c968c11592b478af4fbcb9453a0e1ac664c2e90
  • Linux Linux >= 1c8ace2d0725c1c8d5012f8a56c5fb31805aad27 and < a02fa031b9520e46e98bff17e12b472eba770670
  • Linux Linux >= 6.13
Patched Versions
  • Linux Linux fda7350f257e59eee1bc7537c202e36bd56aea97
  • Linux Linux 2c968c11592b478af4fbcb9453a0e1ac664c2e90
  • Linux Linux a02fa031b9520e46e98bff17e12b472eba770670
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External References