Bug 2435665 (CVE-2026-23021) - CVE-2026-23021 kernel: Linux kernel (net: usb: pegasus): Denial of Service due to memory leak
Summary: CVE-2026-23021 kernel: Linux kernel (net: usb: pegasus): Denial of Service du...
Keywords:
Status: NEW
Alias: CVE-2026-23021
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
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Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-01-31 12:02 UTC by OSIDB Bzimport
Modified: 2026-02-02 14:32 UTC (History)
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Description OSIDB Bzimport 2026-01-31 12:02:30 UTC 
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.
Comment 1 Alexander B 2026-02-02 09:11:17 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026013136-CVE-2026-23021-8fc2@gregkh/T
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