UBUNTU-CVE-2023-32269
An issue was discovered in the Linux kernel before 6.1.11. In net/netrom/af_netrom.c, there is a use-after-free because accept is also allowed for a successfully connected AF_NETROM socket. However, in order for an attacker to exploit this, the system must have netrom routing configured or the attacker must have the CAP_NET_ADMIN capability.
02 / AFFECTED SOFTWARE
Affected packages
12 explicit affected versions
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50 explicit affected versions
6 explicit affected versions
12 explicit affected versions
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29 explicit affected versions
15 explicit affected versions
37 explicit affected versions
26 explicit affected versions
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63 explicit affected versions
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12 explicit affected versions
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10 explicit affected versions
13 explicit affected versions
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23 explicit affected versions
89 explicit affected versions
1 explicit affected versions
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21 explicit affected versions
16 explicit affected versions
20 explicit affected versions
7 explicit affected versions
12 explicit affected versions
13 explicit affected versions
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7 explicit affected versions
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68 explicit affected versions
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10 explicit affected versions
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37 explicit affected versions
88 explicit affected versions
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1 explicit affected versions
10 explicit affected versions
26 explicit affected versions
13 explicit affected versions
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26 explicit affected versions
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68 explicit affected versions
33 explicit affected versions
23 explicit affected versions
10 explicit affected versions
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11 explicit affected versions
12 explicit affected versions
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7 explicit affected versions
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2 explicit affected versions
15 explicit affected versions
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65 explicit affected versions
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26 explicit affected versions
4 explicit affected versions
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26 explicit affected versions
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1 explicit affected versions
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13 explicit affected versions
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44 explicit affected versions
16 explicit affected versions
13 explicit affected versions
12 explicit affected versions
37 explicit affected versions
38 explicit affected versions
16 explicit affected versions
9 explicit affected versions
16 explicit affected versions
6 explicit affected versions
132 explicit affected versions
23 explicit affected versions
56 explicit affected versions
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30 explicit affected versions
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21 explicit affected versions
76 explicit affected versions
55 explicit affected versions
43 explicit affected versions
22 explicit affected versions
111 explicit affected versions
127 explicit affected versions
4 explicit affected versions
56 explicit affected versions
4 explicit affected versions
45 explicit affected versions
1 explicit affected versions
30 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
An issue was discovered in the Linux kernel before 6.1.11. In net/netrom/af_netrom.c, there is a use-after-free because accept is also allowed for a successfully connected AF_NETROM socket. However, in order for an attacker to exploit this, the system must have netrom routing configured or the attacker must have the CAP_NET_ADMIN capability.
05 / REFERENCES
Further evidence
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.11
- https://git.kernel.org/linus/611792920925fb088ddccbe2783c7f92fdfb6b64
- https://github.com/torvalds/linux/commit/611792920925fb088ddccbe2783c7f92fdfb6b64
- https://ubuntu.com/security/CVE-2023-32269
- https://ubuntu.com/security/notices/USN-6079-1
- https://ubuntu.com/security/notices/USN-6080-1
- https://ubuntu.com/security/notices/USN-6081-1
- https://ubuntu.com/security/notices/USN-6084-1
- https://ubuntu.com/security/notices/USN-6085-1
- https://ubuntu.com/security/notices/USN-6090-1
- https://ubuntu.com/security/notices/USN-6091-1
- https://ubuntu.com/security/notices/USN-6092-1
- https://ubuntu.com/security/notices/USN-6094-1
- https://ubuntu.com/security/notices/USN-6095-1
- https://ubuntu.com/security/notices/USN-6096-1
- https://ubuntu.com/security/notices/USN-6109-1
- https://ubuntu.com/security/notices/USN-6118-1
- https://ubuntu.com/security/notices/USN-6132-1
- https://ubuntu.com/security/notices/USN-6133-1
- https://ubuntu.com/security/notices/USN-6134-1
- https://ubuntu.com/security/notices/USN-6222-1
- https://ubuntu.com/security/notices/USN-6256-1
- https://ubuntu.com/security/notices/USN-6385-1
- https://ubuntu.com/security/notices/USN-6388-1
- https://www.cve.org/CVERecord?id=CVE-2023-32269