UBUNTU-CVE-2021-38208
net/nfc/llcp_sock.c in the Linux kernel before 5.12.10 allows local unprivileged users to cause a denial of service (NULL pointer dereference and BUG) by making a getsockname call after a certain type of failure of a bind call.
02 / AFFECTED SOFTWARE
Affected packages
50 explicit affected versions
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191 explicit affected versions
68 explicit affected versions
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1 explicit affected versions
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2 explicit affected versions
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2 explicit affected versions
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1 explicit affected versions
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1 explicit affected versions
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13 explicit affected versions
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1 explicit affected versions
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10 explicit affected versions
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11 explicit affected versions
3 explicit affected versions
70 explicit affected versions
3 explicit affected versions
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2 explicit affected versions
66 explicit affected versions
27 explicit affected versions
1 explicit affected versions
11 explicit affected versions
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1 explicit affected versions
24 explicit affected versions
10 explicit affected versions
20 explicit affected versions
44 explicit affected versions
16 explicit affected versions
1 explicit affected versions
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38 explicit affected versions
9 explicit affected versions
114 explicit affected versions
22 explicit affected versions
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5 explicit affected versions
78 explicit affected versions
55 explicit affected versions
3 explicit affected versions
13 explicit affected versions
46 explicit affected versions
21 explicit affected versions
43 explicit affected versions
1 explicit affected versions
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94 explicit affected versions
12 explicit affected versions
24 explicit affected versions
4 explicit affected versions
11 explicit affected versions
1 explicit affected versions
2 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
net/nfc/llcp_sock.c in the Linux kernel before 5.12.10 allows local unprivileged users to cause a denial of service (NULL pointer dereference and BUG) by making a getsockname call after a certain type of failure of a bind call.
05 / REFERENCES
Further evidence
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.10
- https://github.com/torvalds/linux/commit/4ac06a1e013cf5fdd963317ffd3b968560f33bba
- https://ubuntu.com/security/CVE-2021-38208
- https://ubuntu.com/security/notices/USN-5050-1
- https://ubuntu.com/security/notices/USN-5343-1
- https://www.cve.org/CVERecord?id=CVE-2021-38208