UBUNTU-CVE-2024-38614
In the Linux kernel, the following vulnerability has been resolved: openrisc: traps: Don't send signals to kernel mode threads OpenRISC exception handling sends signals to user processes on floating point exceptions and trap instructions (for debugging) among others. There is a bug where the trap handling logic may send signals to kernel threads, we should not send these signals to kernel threads, if that happens we treat it as an error. This patch adds conditions to die if the kernel receives these exceptions in kernel mode code.
02 / AFFECTED SOFTWARE
Affected packages
10 explicit affected versions
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26 explicit affected versions
37 explicit affected versions
10 explicit affected versions
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2 explicit affected versions
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13 explicit affected versions
43 explicit affected versions
10 explicit affected versions
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5 explicit affected versions
14 explicit affected versions
4 explicit affected versions
11 explicit affected versions
1 explicit affected versions
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03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: openrisc: traps: Don't send signals to kernel mode threads OpenRISC exception handling sends signals to user processes on floating point exceptions and trap instructions (for debugging) among others. There is a bug where the trap handling logic may send signals to kernel threads, we should not send these signals to kernel threads, if that happens we treat it as an error. This patch adds conditions to die if the kernel receives these exceptions in kernel mode code.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/c88cfb5cea5f8f9868ef02cc9ce9183a26dcf20f
- https://git.kernel.org/stable/c/075c0405b0d7d9fc490609e988a3af0069596538
- https://git.kernel.org/stable/c/c0ed9a711e3392d73e857faa031d8d349c0d70db
- https://git.kernel.org/stable/c/c88cfb5cea5f8f9868ef02cc9ce9183a26dcf20f
- https://git.kernel.org/stable/c/cea9d0015c140af39477dd5eeb9b20233a45daa9
- https://ubuntu.com/security/CVE-2024-38614
- https://ubuntu.com/security/notices/USN-6949-1
- https://ubuntu.com/security/notices/USN-6949-2
- https://ubuntu.com/security/notices/USN-6952-1
- https://ubuntu.com/security/notices/USN-6952-2
- https://ubuntu.com/security/notices/USN-6955-1
- https://www.cve.org/CVERecord?id=CVE-2024-38614