CVE-2026-98762: Linux kernel · USB: dwc2: shut down wakeup timer before freeing HCD state
Affects Linux kernelSource CVE Database V5
Not known to be exploited · fixed in fd772af9512cdecb83de34a461801533828e77fd : update Linux kernel when convenient.
Data as of 26 Oct 2026, 13:47 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 5% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in fd772af9512cdecb83de34a461801533828e77fd, 4333174ea52c863a50bb3e0a4726bf9f7cdf7524, 441be312fce927443eae2821f502344d953c38bb +2
Exploitation evidence
Disclosed: evidence found.
CVE published 18 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: 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 26 Oct 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in– |
Description
In the Linux kernel, the following vulnerability has been resolved: USB: dwc2: shut down wakeup timer before freeing HCD state dwc2_wakeup_detected() accesses the DWC2 host state and can rearm the wakeup timer. dwc2_hcd_free() currently deletes the timer only after freeing host-owned state, and timer_delete() does not synchronize a callback or prevent it from being queued again. Stop and shut down the timer in dwc2_hcd_release(), before the HCD resources are freed. This covers both the HCD initialization error path and normal HCD removal.
References
- git.kernel.org/stable/c/82cc242da6d621752718929e6a2fa6f9554ebffe (opens in a new tab)
- git.kernel.org/stable/c/441be312fce927443eae2821f502344d953c38bb (opens in a new tab)
- git.kernel.org/stable/c/4333174ea52c863a50bb3e0a4726bf9f7cdf7524 (opens in a new tab)
- git.kernel.org/stable/c/79ba37dd38a321cb32a79332a3e3c68dd334dca9 (opens in a new tab)
- git.kernel.org/stable/c/fd772af9512cdecb83de34a461801533828e77fd (opens in a new tab)