UBUNTU-CVE-2024-1086
A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. The nft_verdict_init() function allows positive values as drop error within the hook verdict, and hence the nf_hook_slow() function can cause a double free vulnerability when NF_DROP is issued with a drop error which resembles NF_ACCEPT. We recommend upgrading past commit f342de4e2f33e0e39165d8639387aa6c19dff660.
02 / AFFECTED SOFTWARE
Affected packages
3 explicit affected versions
26 explicit affected versions
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44 explicit affected versions
16 explicit affected versions
3 explicit affected versions
13 explicit affected versions
26 explicit affected versions
30 explicit affected versions
37 explicit affected versions
6 explicit affected versions
38 explicit affected versions
34 explicit affected versions
9 explicit affected versions
33 explicit affected versions
11 explicit affected versions
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45 explicit affected versions
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4 explicit affected versions
1 explicit affected versions
1 explicit affected versions
39 explicit affected versions
86 explicit affected versions
6 explicit affected versions
43 explicit affected versions
39 explicit affected versions
117 explicit affected versions
137 explicit affected versions
10 explicit affected versions
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14 explicit affected versions
74 explicit affected versions
4 explicit affected versions
63 explicit affected versions
3 explicit affected versions
1 explicit affected versions
40 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 nft_verdict_init() function allows positive values as drop error within the hook verdict, and hence the nf_hook_slow() function can cause a double free vulnerability when NF_DROP is issued with a drop error which resembles NF_ACCEPT. We recommend upgrading past commit f342de4e2f33e0e39165d8639387aa6c19dff660.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/f342de4e2f33e0e39165d8639387aa6c19dff660
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f342de4e2f33e0e39165d8639387aa6c19dff660
- https://kernel.dance/f342de4e2f33e0e39165d8639387aa6c19dff660
- https://ubuntu.com/security/CVE-2024-1086
- https://ubuntu.com/security/notices/USN-6688-1
- https://ubuntu.com/security/notices/USN-6700-1
- https://ubuntu.com/security/notices/USN-6700-2
- https://ubuntu.com/security/notices/USN-6701-1
- https://ubuntu.com/security/notices/USN-6701-2
- https://ubuntu.com/security/notices/USN-6701-3
- https://ubuntu.com/security/notices/USN-6701-4
- https://ubuntu.com/security/notices/USN-6702-1
- https://ubuntu.com/security/notices/USN-6702-2
- https://ubuntu.com/security/notices/USN-6704-1
- https://ubuntu.com/security/notices/USN-6704-2
- https://ubuntu.com/security/notices/USN-6704-3
- https://ubuntu.com/security/notices/USN-6704-4
- https://ubuntu.com/security/notices/USN-6705-1
- https://ubuntu.com/security/notices/USN-6707-1
- https://ubuntu.com/security/notices/USN-6707-2
- https://ubuntu.com/security/notices/USN-6707-3
- https://ubuntu.com/security/notices/USN-6707-4
- https://ubuntu.com/security/notices/USN-6716-1
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog
- https://www.cve.org/CVERecord?id=CVE-2024-1086