UBUNTU-CVE-2023-32233
In the Linux kernel through 6.3.1, a use-after-free in Netfilter nf_tables when processing batch requests can be abused to perform arbitrary read and write operations on kernel memory. Unprivileged local users can obtain root privileges. This occurs because anonymous sets are mishandled.
02 / AFFECTED SOFTWARE
Affected packages
13 explicit affected versions
21 explicit affected versions
50 explicit affected versions
6 explicit affected versions
12 explicit affected versions
6 explicit affected versions
30 explicit affected versions
16 explicit affected versions
38 explicit affected versions
27 explicit affected versions
16 explicit affected versions
22 explicit affected versions
191 explicit affected versions
7 explicit affected versions
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24 explicit affected versions
64 explicit affected versions
80 explicit affected versions
50 explicit affected versions
35 explicit affected versions
4 explicit affected versions
13 explicit affected versions
114 explicit affected versions
11 explicit affected versions
13 explicit affected versions
4 explicit affected versions
23 explicit affected versions
85 explicit affected versions
1 explicit affected versions
1 explicit affected versions
21 explicit affected versions
16 explicit affected versions
21 explicit affected versions
7 explicit affected versions
12 explicit affected versions
14 explicit affected versions
12 explicit affected versions
7 explicit affected versions
12 explicit affected versions
69 explicit affected versions
28 explicit affected versions
77 explicit affected versions
12 explicit affected versions
66 explicit affected versions
55 explicit affected versions
10 explicit affected versions
151 explicit affected versions
37 explicit affected versions
84 explicit affected versions
4 explicit affected versions
76 explicit affected versions
1 explicit affected versions
10 explicit affected versions
26 explicit affected versions
13 explicit affected versions
1 explicit affected versions
29 explicit affected versions
13 explicit affected versions
94 explicit affected versions
27 explicit affected versions
1 explicit affected versions
26 explicit affected versions
69 explicit affected versions
33 explicit affected versions
23 explicit affected versions
10 explicit affected versions
78 explicit affected versions
11 explicit affected versions
12 explicit affected versions
101 explicit affected versions
7 explicit affected versions
68 explicit affected versions
2 explicit affected versions
16 explicit affected versions
8 explicit affected versions
24 explicit affected versions
66 explicit affected versions
6 explicit affected versions
22 explicit affected versions
4 explicit affected versions
11 explicit affected versions
27 explicit affected versions
17 explicit affected versions
1 explicit affected versions
35 explicit affected versions
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54 explicit affected versions
12 explicit affected versions
15 explicit affected versions
7 explicit affected versions
3 explicit affected versions
1 explicit affected versions
1 explicit affected versions
59 explicit affected versions
5 explicit affected versions
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1 explicit affected versions
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13 explicit affected versions
23 explicit affected versions
56 explicit affected versions
19 explicit affected versions
10 explicit affected versions
3 explicit affected versions
12 explicit affected versions
53 explicit affected versions
44 explicit affected versions
16 explicit affected versions
13 explicit affected versions
26 explicit affected versions
13 explicit affected versions
37 explicit affected versions
38 explicit affected versions
17 explicit affected versions
9 explicit affected versions
17 explicit affected versions
7 explicit affected versions
128 explicit affected versions
24 explicit affected versions
57 explicit affected versions
62 explicit affected versions
30 explicit affected versions
105 explicit affected versions
84 explicit affected versions
4 explicit affected versions
22 explicit affected versions
77 explicit affected versions
56 explicit affected versions
43 explicit affected versions
23 explicit affected versions
107 explicit affected versions
128 explicit affected versions
57 explicit affected versions
4 explicit affected versions
46 explicit affected versions
1 explicit affected versions
31 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel through 6.3.1, a use-after-free in Netfilter nf_tables when processing batch requests can be abused to perform arbitrary read and write operations on kernel memory. Unprivileged local users can obtain root privileges. This occurs because anonymous sets are mishandled.
05 / REFERENCES
Further evidence
- https://ubuntu.com/security/CVE-2023-32233
- https://ubuntu.com/security/notices/USN-6122-1
- https://ubuntu.com/security/notices/USN-6123-1
- https://ubuntu.com/security/notices/USN-6124-1
- https://ubuntu.com/security/notices/USN-6127-1
- https://ubuntu.com/security/notices/USN-6130-1
- https://ubuntu.com/security/notices/USN-6131-1
- https://ubuntu.com/security/notices/USN-6132-1
- https://ubuntu.com/security/notices/USN-6135-1
- https://ubuntu.com/security/notices/USN-6149-1
- https://ubuntu.com/security/notices/USN-6150-1
- https://ubuntu.com/security/notices/USN-6162-1
- https://ubuntu.com/security/notices/USN-6175-1
- https://ubuntu.com/security/notices/USN-6186-1
- https://ubuntu.com/security/notices/USN-6222-1
- https://ubuntu.com/security/notices/USN-6256-1
- https://www.cve.org/CVERecord?id=CVE-2023-32233
- https://www.openwall.com/lists/oss-security/2023/05/08/4
- https://www.openwall.com/lists/oss-security/2023/05/15/5