CVE-2026-64478: Linux kernel · ALSA: usb-audio: avoid kobject path lookup in DualSense match
Affects Linux kernelSource GCVE Database
Not known to be exploited.
Data as of 3 Nov 2026, 19:29 UTC
Rated Medium by Threat Radar's AI analysis · No CVSS score from NVD or the CNA
Thin evidence
One scorer or noneExploitation evidence
Disclosed: evidence found.
CVE published 25 Jul 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 3 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Linux Linux | Affected
| Fixed in– |
AI-suggested
A fix has been implemented in the Linux kernel to avoid unsafe kobject path lookups by using a safer ownership check method. Users should update to the fixed Linux kernel versions listed as affectedVersions to remediate this issue.
Description
A vulnerability in the Linux kernel ALSA usb-audio driver related to the DualSense jack-detection input handler was resolved. The issue involved unsafe kobject path lookups during device disconnects, which could cause faults in kernel code. The fix avoids dereferencing kobject names by using a safer ownership check method.
References
- git.kernel.org/stable/c/e4c66a149c408e44e60bfec3fabf08b6b7abbc60 (opens in a new tab)
- git.kernel.org/stable/c/4566bf8ae9dbfe81bdc2ff1702d59db8a233b06e (opens in a new tab)
- git.kernel.org/stable/c/662a1d7b5affc424ea4f4bc20dd99be29e687886 (opens in a new tab)
- git.kernel.org/stable/c/a47ecd904c51ae6a42957feb3cf2f4266adee2e5 (opens in a new tab)
- git.kernel.org/stable/c/c1da6d3f45036fa63672ee04ad97cb526b40b987 (opens in a new tab)
- git.kernel.org/stable/c/a263eb12cbe2e208e6e637df0f9b0be9a484158e (opens in a new tab)
- git.kernel.org/stable/c/4246dd043b7a4f8e3bc1d2896e81d11220610eda (opens in a new tab)
- git.kernel.org/stable/c/7693c0cc415f3a16a7a3355f245474a5e661be4e (opens in a new tab)