UBUNTU-CVE-2023-6817
A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. The function nft_pipapo_walk did not skip inactive elements during set walk which could lead double deactivations of PIPAPO (Pile Packet Policies) elements, leading to use-after-free. We recommend upgrading past commit 317eb9685095678f2c9f5a8189de698c5354316a.
02 / AFFECTED SOFTWARE
Affected packages
23 explicit affected versions
34 explicit affected versions
50 explicit affected versions
6 explicit affected versions
12 explicit affected versions
7 explicit affected versions
6 explicit affected versions
43 explicit affected versions
29 explicit affected versions
40 explicit affected versions
29 explicit affected versions
36 explicit affected versions
7 explicit affected versions
37 explicit affected versions
1 explicit affected versions
35 explicit affected versions
1 explicit affected versions
11 explicit affected versions
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23 explicit affected versions
13 explicit affected versions
4 explicit affected versions
23 explicit affected versions
1 explicit affected versions
21 explicit affected versions
9 explicit affected versions
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10 explicit affected versions
7 explicit affected versions
12 explicit affected versions
27 explicit affected versions
12 explicit affected versions
3 explicit affected versions
7 explicit affected versions
12 explicit affected versions
12 explicit affected versions
6 explicit affected versions
37 explicit affected versions
1 explicit affected versions
9 explicit affected versions
17 explicit affected versions
26 explicit affected versions
13 explicit affected versions
3 explicit affected versions
29 explicit affected versions
13 explicit affected versions
40 explicit affected versions
39 explicit affected versions
33 explicit affected versions
23 explicit affected versions
10 explicit affected versions
11 explicit affected versions
12 explicit affected versions
7 explicit affected versions
11 explicit affected versions
29 explicit affected versions
21 explicit affected versions
37 explicit affected versions
10 explicit affected versions
26 explicit affected versions
1 explicit affected versions
1 explicit affected versions
12 explicit affected versions
16 explicit affected versions
40 explicit affected versions
30 explicit affected versions
3 explicit affected versions
2 explicit affected versions
51 explicit affected versions
12 explicit affected versions
27 explicit affected versions
22 explicit affected versions
13 explicit affected versions
8 explicit affected versions
5 explicit affected versions
8 explicit affected versions
10 explicit affected versions
1 explicit affected versions
13 explicit affected versions
7 explicit affected versions
32 explicit affected versions
10 explicit affected versions
10 explicit affected versions
12 explicit affected versions
80 explicit affected versions
44 explicit affected versions
16 explicit affected versions
3 explicit affected versions
13 explicit affected versions
26 explicit affected versions
26 explicit affected versions
37 explicit affected versions
3 explicit affected versions
38 explicit affected versions
30 explicit affected versions
9 explicit affected versions
30 explicit affected versions
11 explicit affected versions
37 explicit affected versions
8 explicit affected versions
6 explicit affected versions
11 explicit affected versions
4 explicit affected versions
1 explicit affected versions
1 explicit affected versions
35 explicit affected versions
1 explicit affected versions
43 explicit affected versions
10 explicit affected versions
8 explicit affected versions
13 explicit affected versions
4 explicit affected versions
3 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. The function nft_pipapo_walk did not skip inactive elements during set walk which could lead double deactivations of PIPAPO (Pile Packet Policies) elements, leading to use-after-free. We recommend upgrading past commit 317eb9685095678f2c9f5a8189de698c5354316a.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=317eb9685095678f2c9f5a8189de698c5354316a
- https://kernel.dance/#317eb9685095678f2c9f5a8189de698c5354316a
- https://ubuntu.com/security/CVE-2023-6817
- https://ubuntu.com/security/notices/USN-6606-1
- https://ubuntu.com/security/notices/USN-6607-1
- https://ubuntu.com/security/notices/USN-6608-1
- https://ubuntu.com/security/notices/USN-6608-2
- https://ubuntu.com/security/notices/USN-6609-1
- https://ubuntu.com/security/notices/USN-6609-2
- https://ubuntu.com/security/notices/USN-6609-3
- https://ubuntu.com/security/notices/USN-6628-1
- https://ubuntu.com/security/notices/USN-6628-2
- https://ubuntu.com/security/notices/USN-6635-1
- https://www.cve.org/CVERecord?id=CVE-2023-6817
- https://www.openwall.com/lists/oss-security/2023/12/22/6