Medium 5.5Published Jan 31, 2026

CVE-2026-23021net: usb: pegasus: fix memory leak in update_eth_regs_async()

Updated under an hour ago (Oct 28, 2026, 5:00 AM ET)

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Exploited in the last 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.

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-401
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Oct 19, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 323b34963d113efb566635f43858f40cce01d5f9 before 5397ea6d21c35a17707e201a60761bdee00bcc4e; from 323b34963d113efb566635f43858f40cce01d5f9 before a40af9a2904a1ab8ce61866ebe2a894ef30754ba; from 323b34963d113efb566635f43858f40cce01d5f9 before ac5d92d2826dec51e5d4c6854865bc5817277452; 323b34963d113efb566635f43858f40cce01d5f9 builds before 93f18eaa190374e0f2d253e3b1a65cee19a7abe6; from 323b34963d113efb566635f43858f40cce01d5f9 before 471dfb97599eec74e0476046b3ef8e7037f27b34; from 323b34963d113efb566635f43858f40cce01d5f9 before ce6eef731aba23a988decea1df3b08cf978f7b01; from 323b34963d113efb566635f43858f40cce01d5f9 before afa27621a28af317523e0836dad430bec551eb54	CNA record
linux linux_kernel linux:linux_kernel	from 3.10.1 before 5.10.248; from 5.11 before 5.15.198; from 5.16 before 6.1.161; from 6.2 before 6.6.121; from 6.7 before 6.12.66; from 6.13 before 6.18.6; 3.10; 6.19; and 7 more ranges	NVD

References

References

https://git.kernel.org/stable/c/5397ea6d21c35a17707e201a60761bdee00bcc4e	patch
https://git.kernel.org/stable/c/a40af9a2904a1ab8ce61866ebe2a894ef30754ba	patch
https://git.kernel.org/stable/c/ac5d92d2826dec51e5d4c6854865bc5817277452	patch
https://git.kernel.org/stable/c/93f18eaa190374e0f2d253e3b1a65cee19a7abe6	patch
https://git.kernel.org/stable/c/471dfb97599eec74e0476046b3ef8e7037f27b34	patch
https://git.kernel.org/stable/c/ce6eef731aba23a988decea1df3b08cf978f7b01	patch
https://git.kernel.org/stable/c/afa27621a28af317523e0836dad430bec551eb54	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.