CVE-2025-68822: Linux kernel · Input: alps – fix use-after-free bugs caused by dev3_register_work
Source GCVE Database
Not known to be exploited · CVSS 7.8 High · fixed in ed8c61b89be0c45f029228b2913d5cf7b5cda1a7 : patch Linux kernel soon.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 7% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in ed8c61b89be0c45f029228b2913d5cf7b5cda1a7, bf40644ef8c8a288742fa45580897ed0e0289474, b9d8cfd6d77f5072a4df10646810d128220457fb +1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 13 Jan 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 Linux kernel to ed8c61b89be0c45f029228b2913d5cf7b5cda1a7, bf40644ef8c8a288742fa45580897ed0e0289474, b9d8cfd6d77f5072a4df10646810d128220457fb or a9c115e017b2c633d25bdfe6709dda6fc36f08c2.
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– |
AI-suggested
The fix involves adding disable_delayed_work_sync() in alps_disconnect() to cancel the delayed work item properly.
Description
A use-after-free vulnerability in the Linux kernel's ALPS touchpad driver was resolved. The issue arises from a race condition involving the dev3_register_work delayed work item, which can be scheduled after the associated data structure has been freed during device detachment. This can lead to use of freed memory, causing potential system compromise. The fix involves properly canceling the delayed work to prevent execution after deallocation.
References
- nvd.nist.gov/vuln/detail/CVE-2025-68822 (opens in a new tab)
- git.kernel.org/stable/c/a9c115e017b2c633d25bdfe6709dda6fc36f08c2 (opens in a new tab)
- git.kernel.org/stable/c/bf40644ef8c8a288742fa45580897ed0e0289474 (opens in a new tab)
- git.kernel.org/stable/c/ed8c61b89be0c45f029228b2913d5cf7b5cda1a7 (opens in a new tab)