UBUNTU-CVE-2024-46868
In the Linux kernel, the following vulnerability has been resolved: firmware: qcom: uefisecapp: Fix deadlock in qcuefi_acquire() If the __qcuefi pointer is not set, then in the original code, we would hold onto the lock. That means that if we tried to set it later, then it would cause a deadlock. Drop the lock on the error path. That's what all the callers are expecting.
02 / AFFECTED SOFTWARE
Affected packages
7 explicit affected versions
29 explicit affected versions
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7 explicit affected versions
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33 explicit affected versions
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13 explicit affected versions
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7 explicit affected versions
14 explicit affected versions
16 explicit affected versions
12 explicit affected versions
12 explicit affected versions
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26 explicit affected versions
12 explicit affected versions
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4 explicit affected versions
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18 explicit affected versions
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13 explicit affected versions
7 explicit affected versions
17 explicit affected versions
13 explicit affected versions
13 explicit affected versions
7 explicit affected versions
10 explicit affected versions
9 explicit affected versions
14 explicit affected versions
18 explicit affected versions
3 explicit affected versions
16 explicit affected versions
43 explicit affected versions
7 explicit affected versions
11 explicit affected versions
35 explicit affected versions
12 explicit affected versions
13 explicit affected versions
9 explicit affected versions
6 explicit affected versions
12 explicit affected versions
50 explicit affected versions
14 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: firmware: qcom: uefisecapp: Fix deadlock in qcuefi_acquire() If the __qcuefi pointer is not set, then in the original code, we would hold onto the lock. That means that if we tried to set it later, then it would cause a deadlock. Drop the lock on the error path. That's what all the callers are expecting.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/db213b0cfe3268d8b1d382b3bcc999c687a2567f
- https://git.kernel.org/stable/c/8c6a5a1fc02ad1d62d06897ab330693d4d27cd03
- https://git.kernel.org/stable/c/db213b0cfe3268d8b1d382b3bcc999c687a2567f
- https://ubuntu.com/security/CVE-2024-46868
- https://ubuntu.com/security/notices/USN-7154-1
- https://ubuntu.com/security/notices/USN-7154-2
- https://ubuntu.com/security/notices/USN-7155-1
- https://ubuntu.com/security/notices/USN-7156-1
- https://ubuntu.com/security/notices/USN-7196-1
- https://www.cve.org/CVERecord?id=CVE-2024-46868