UBUNTU-CVE-2023-1206
A hash collision flaw was found in the IPv6 connection lookup table in the Linux kernel’s IPv6 functionality when a user makes a new kind of SYN flood attack. A user located in the local network or with a high bandwidth connection can increase the CPU usage of the server that accepts IPV6 connections up to 95%.
02 / AFFECTED SOFTWARE
Affected packages
51 explicit affected versions
33 explicit affected versions
23 explicit affected versions
20 explicit affected versions
29 explicit affected versions
10 explicit affected versions
83 explicit affected versions
26 explicit affected versions
11 explicit affected versions
11 explicit affected versions
7 explicit affected versions
106 explicit affected versions
35 explicit affected versions
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12 explicit affected versions
106 explicit affected versions
7 explicit affected versions
7 explicit affected versions
76 explicit affected versions
2 explicit affected versions
35 explicit affected versions
169 explicit affected versions
25 explicit affected versions
24 explicit affected versions
16 explicit affected versions
99 explicit affected versions
3 explicit affected versions
32 explicit affected versions
60 explicit affected versions
119 explicit affected versions
50 explicit affected versions
6 explicit affected versions
12 explicit affected versions
6 explicit affected versions
38 explicit affected versions
24 explicit affected versions
46 explicit affected versions
35 explicit affected versions
24 explicit affected versions
1 explicit affected versions
31 explicit affected versions
7 explicit affected versions
32 explicit affected versions
72 explicit affected versions
55 explicit affected versions
35 explicit affected versions
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18 explicit affected versions
85 explicit affected versions
18 explicit affected versions
74 explicit affected versions
13 explicit affected versions
4 explicit affected versions
23 explicit affected versions
90 explicit affected versions
1 explicit affected versions
1 explicit affected versions
21 explicit affected versions
16 explicit affected versions
5 explicit affected versions
29 explicit affected versions
7 explicit affected versions
42 explicit affected versions
10 explicit affected versions
12 explicit affected versions
22 explicit affected versions
12 explicit affected versions
7 explicit affected versions
63 explicit affected versions
12 explicit affected versions
77 explicit affected versions
85 explicit affected versions
12 explicit affected versions
74 explicit affected versions
3 explicit affected versions
10 explicit affected versions
156 explicit affected versions
37 explicit affected versions
89 explicit affected versions
4 explicit affected versions
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1 explicit affected versions
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26 explicit affected versions
13 explicit affected versions
2 explicit affected versions
1 explicit affected versions
29 explicit affected versions
66 explicit affected versions
13 explicit affected versions
35 explicit affected versions
1 explicit affected versions
61 explicit affected versions
34 explicit affected versions
77 explicit affected versions
59 explicit affected versions
12 explicit affected versions
24 explicit affected versions
14 explicit affected versions
9 explicit affected versions
1 explicit affected versions
1 explicit affected versions
64 explicit affected versions
5 explicit affected versions
1 explicit affected versions
5 explicit affected versions
65 explicit affected versions
13 explicit affected versions
31 explicit affected versions
61 explicit affected versions
27 explicit affected versions
10 explicit affected versions
7 explicit affected versions
12 explicit affected versions
64 explicit affected versions
44 explicit affected versions
16 explicit affected versions
3 explicit affected versions
13 explicit affected versions
26 explicit affected versions
21 explicit affected versions
37 explicit affected versions
38 explicit affected versions
25 explicit affected versions
9 explicit affected versions
25 explicit affected versions
11 explicit affected versions
133 explicit affected versions
32 explicit affected versions
3 explicit affected versions
6 explicit affected versions
67 explicit affected versions
36 explicit affected versions
110 explicit affected versions
89 explicit affected versions
4 explicit affected versions
1 explicit affected versions
30 explicit affected versions
82 explicit affected versions
43 explicit affected versions
31 explicit affected versions
112 explicit affected versions
133 explicit affected versions
8 explicit affected versions
65 explicit affected versions
4 explicit affected versions
54 explicit affected versions
1 explicit affected versions
36 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
A hash collision flaw was found in the IPv6 connection lookup table in the Linux kernel’s IPv6 functionality when a user makes a new kind of SYN flood attack. A user located in the local network or with a high bandwidth connection can increase the CPU usage of the server that accepts IPV6 connections up to 95%.
05 / REFERENCES
Further evidence
- https://ubuntu.com/security/CVE-2023-1206
- https://ubuntu.com/security/notices/USN-6343-1
- https://ubuntu.com/security/notices/USN-6385-1
- https://ubuntu.com/security/notices/USN-6412-1
- https://ubuntu.com/security/notices/USN-6416-1
- https://ubuntu.com/security/notices/USN-6416-2
- https://ubuntu.com/security/notices/USN-6416-3
- https://ubuntu.com/security/notices/USN-6417-1
- https://ubuntu.com/security/notices/USN-6439-1
- https://ubuntu.com/security/notices/USN-6439-2
- https://ubuntu.com/security/notices/USN-6440-1
- https://ubuntu.com/security/notices/USN-6440-2
- https://ubuntu.com/security/notices/USN-6440-3
- https://ubuntu.com/security/notices/USN-6445-1
- https://ubuntu.com/security/notices/USN-6445-2
- https://ubuntu.com/security/notices/USN-6460-1
- https://ubuntu.com/security/notices/USN-6466-1
- https://www.cve.org/CVERecord?id=CVE-2023-1206