CVE-2026-23021: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: net: usb: pegasus: fix memory leak in update_eth_regs_async() When asynchronously writing to the device registers and if usb_submit_urb() fail, the code fail to release allocated to this point resources.

Affected products

• Linux Linux Kernel: from 3.10.1, before 5.10.248 (fixed in 5.10.248); from 5.11, before 5.15.198 (fixed in 5.15.198); from 5.16, before 6.1.161 (fixed in 6.1.161); from 6.2, before 6.6.121 (fixed in 6.6.121); from 6.7, before 6.12.66 (fixed in 6.12.66); from 6.13, before 6.18.6 (fixed in 6.18.6); …

Published 2026-01-31. Last modified 2026-06-17.