- Vulnerability/
- CVE-2024-27067
1/5/2024
1/5/2024
19/12/2024
CVE-2024-27067: xen/evtchn: avoid WARN() when unbinding an event channel
First published: Wed May 01 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: xen/evtchn: avoid WARN() when unbinding an event channel When unbinding a user event channel, the related handler might be called a last time in case the kernel was built with CONFIG_DEBUG_SHIRQ. This might cause a WARN() in the handler. Avoid that by adding an "unbinding" flag to struct user_event which will short circuit the handler.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.12.5-1 6.12.6-1 |
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Reference Links
- https://git.kernel.org/stable/c/35485dad6e28f9b17884764d4692b1655cb848d0
- https://git.kernel.org/stable/c/51c23bd691c0f1fb95b29731c356c6fd69925d17
- https://git.kernel.org/stable/c/99e425032c6ec13584d3cd33846e0c7307501b47
- https://git.kernel.org/stable/c/9e2d4b58c1da48a32905802aaeadba7084b46895
- https://launchpad.net/bugs/cve/CVE-2024-27067
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-27067
- https://nvd.nist.gov/vuln/detail/CVE-2024-27067
- https://security-tracker.debian.org/tracker/CVE-2024-27067
- https://ubuntu.com/security/CVE-2024-27067
- https://git.kernel.org/linus/51c23bd691c0f1fb95b29731c356c6fd69925d17
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