UBUNTU-CVE-2025-68167
In the Linux kernel, the following vulnerability has been resolved: gpiolib: fix invalid pointer access in debugfs If the memory allocation in gpiolib_seq_start() fails, the s->private field remains uninitialized and is later dereferenced without checking in gpiolib_seq_stop(). Initialize s->private to NULL before calling kzalloc() and check it before dereferencing it.
02 / AFFECTED SOFTWARE
Affected packages
10 explicit affected versions
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3 explicit affected versions
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26 explicit affected versions
45 explicit affected versions
37 explicit affected versions
14 explicit affected versions
38 explicit affected versions
9 explicit affected versions
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11 explicit affected versions
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1 explicit affected versions
13 explicit affected versions
43 explicit affected versions
6 explicit affected versions
10 explicit affected versions
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14 explicit affected versions
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78 explicit affected versions
6 explicit affected versions
11 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: gpiolib: fix invalid pointer access in debugfs If the memory allocation in gpiolib_seq_start() fails, the s->private field remains uninitialized and is later dereferenced without checking in gpiolib_seq_stop(). Initialize s->private to NULL before calling kzalloc() and check it before dereferencing it.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/2f6115ad8864cf3f48598f26c74c7c8e5c391919
- https://git.kernel.org/stable/c/2f6115ad8864cf3f48598f26c74c7c8e5c391919
- https://git.kernel.org/stable/c/3c91c8f424d3e44c8645ab765a38773e58afb07d
- https://git.kernel.org/stable/c/70180a6031056096c93ed2f47c41803268bdd91c
- https://ubuntu.com/security/CVE-2025-68167
- https://ubuntu.com/security/notices/USN-8029-1
- https://ubuntu.com/security/notices/USN-8029-2
- https://ubuntu.com/security/notices/USN-8029-3
- https://ubuntu.com/security/notices/USN-8030-1
- https://ubuntu.com/security/notices/USN-8048-1
- https://www.cve.org/CVERecord?id=CVE-2025-68167