UBUNTU-CVE-2025-71157
In the Linux kernel, the following vulnerability has been resolved: RDMA/core: always drop device refcount in ib_del_sub_device_and_put() Since nldev_deldev() (introduced by commit 060c642b2ab8 ("RDMA/nldev: Add support to add/delete a sub IB device through netlink") grabs a reference using ib_device_get_by_index() before calling ib_del_sub_device_and_put(), we need to drop that reference before returning -EOPNOTSUPP error.
02 / AFFECTED SOFTWARE
Affected packages
11 explicit affected versions
50 explicit affected versions
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35 explicit affected versions
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23 explicit affected versions
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26 explicit affected versions
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51 explicit affected versions
11 explicit affected versions
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8 explicit affected versions
5 explicit affected versions
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7 explicit affected versions
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10 explicit affected versions
12 explicit affected versions
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44 explicit affected versions
16 explicit affected versions
3 explicit affected versions
13 explicit affected versions
26 explicit affected versions
45 explicit affected versions
37 explicit affected versions
14 explicit affected versions
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9 explicit affected versions
12 explicit affected versions
11 explicit affected versions
9 explicit affected versions
7 explicit affected versions
4 explicit affected versions
3 explicit affected versions
1 explicit affected versions
13 explicit affected versions
43 explicit affected versions
9 explicit affected versions
10 explicit affected versions
8 explicit affected versions
14 explicit affected versions
4 explicit affected versions
78 explicit affected versions
9 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: RDMA/core: always drop device refcount in ib_del_sub_device_and_put() Since nldev_deldev() (introduced by commit 060c642b2ab8 ("RDMA/nldev: Add support to add/delete a sub IB device through netlink") grabs a reference using ib_device_get_by_index() before calling ib_del_sub_device_and_put(), we need to drop that reference before returning -EOPNOTSUPP error.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/fa3c411d21ebc26ffd175c7256c37cefa35020aa
- https://git.kernel.org/stable/c/20436f2742a92b7afeb2504eb559a98d2196b001
- https://git.kernel.org/stable/c/fa3c411d21ebc26ffd175c7256c37cefa35020aa
- https://git.kernel.org/stable/c/fe8d456080423b9ed410469fbd1e2098d3acce2b
- https://ubuntu.com/security/CVE-2025-71157
- https://ubuntu.com/security/notices/USN-8177-1
- https://ubuntu.com/security/notices/USN-8177-2
- https://ubuntu.com/security/notices/USN-8183-1
- https://ubuntu.com/security/notices/USN-8183-2
- https://ubuntu.com/security/notices/USN-8245-1
- https://ubuntu.com/security/notices/USN-8257-1
- https://www.cve.org/CVERecord?id=CVE-2025-71157