UBUNTU-CVE-2024-27067
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.
02 / AFFECTED SOFTWARE
Affected packages
6 explicit affected versions
29 explicit affected versions
3 explicit affected versions
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2 explicit affected versions
7 explicit affected versions
26 explicit affected versions
37 explicit affected versions
7 explicit affected versions
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10 explicit affected versions
13 explicit affected versions
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5 explicit affected versions
37 explicit affected versions
8 explicit affected versions
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10 explicit affected versions
33 explicit affected versions
16 explicit affected versions
12 explicit affected versions
6 explicit affected versions
38 explicit affected versions
51 explicit affected versions
13 explicit affected versions
10 explicit affected versions
5 explicit affected versions
10 explicit affected versions
13 explicit affected versions
6 explicit affected versions
1 explicit affected versions
10 explicit affected versions
8 explicit affected versions
21 explicit affected versions
6 explicit affected versions
13 explicit affected versions
12 explicit affected versions
7 explicit affected versions
3 explicit affected versions
12 explicit affected versions
26 explicit affected versions
23 explicit affected versions
5 explicit affected versions
3 explicit affected versions
26 explicit affected versions
12 explicit affected versions
44 explicit affected versions
6 explicit affected versions
4 explicit affected versions
4 explicit affected versions
16 explicit affected versions
9 explicit affected versions
12 explicit affected versions
4 explicit affected versions
13 explicit affected versions
5 explicit affected versions
7 explicit affected versions
7 explicit affected versions
10 explicit affected versions
14 explicit affected versions
18 explicit affected versions
3 explicit affected versions
16 explicit affected versions
1 explicit affected versions
43 explicit affected versions
11 explicit affected versions
35 explicit affected versions
12 explicit affected versions
6 explicit affected versions
12 explicit affected versions
50 explicit affected versions
12 explicit affected versions
27 explicit affected versions
12 explicit affected versions
7 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/51c23bd691c0f1fb95b29731c356c6fd69925d17
- 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://ubuntu.com/security/CVE-2024-27067
- https://ubuntu.com/security/notices/USN-6816-1
- https://ubuntu.com/security/notices/USN-6817-1
- https://ubuntu.com/security/notices/USN-6817-2
- https://ubuntu.com/security/notices/USN-6817-3
- https://ubuntu.com/security/notices/USN-6878-1
- https://www.cve.org/CVERecord?id=CVE-2024-27067