PT-2026-61294 · Linux+1 · Linux Kernel+1
CVE-2026-63977
·
Published
2026-07-19
·
Updated
2026-09-07
CVSS v3.1
7.8
High
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
A race condition exists in the
zl3073x component of the DPLL (Digital Phase Locked Loop) subsystem. The issue occurs during device teardown when change work could be re-scheduled after cancel work sync() was called. This could lead to the handler dereferencing a freed or NULL dpll dev pointer, potentially causing a system crash.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
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Related Identifiers
Affected Products
Linux Kernel
Ubuntu