UBUNTU-CVE-2023-3390
A use-after-free vulnerability was found in the Linux kernel's netfilter subsystem in net/netfilter/nf_tables_api.c. Mishandled error handling with NFT_MSG_NEWRULE makes it possible to use a dangling pointer in the same transaction causing a use-after-free vulnerability. This flaw allows a local attacker with user access to cause a privilege escalation issue. We recommend upgrading past commit 1240eb93f0616b21c675416516ff3d74798fdc97
02 / AFFECTED SOFTWARE
Affected packages
16 explicit affected versions
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60 explicit affected versions
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03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
A use-after-free vulnerability was found in the Linux kernel's netfilter subsystem in net/netfilter/nf_tables_api.c. Mishandled error handling with NFT_MSG_NEWRULE makes it possible to use a dangling pointer in the same transaction causing a use-after-free vulnerability. This flaw allows a local attacker with user access to cause a privilege escalation issue. We recommend upgrading past commit 1240eb93f0616b21c675416516ff3d74798fdc97
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/1240eb93f0616b21c675416516ff3d74798fdc97
- https://kernel.dance/#1240eb93f0616b21c675416516ff3d74798fdc97
- https://ubuntu.com/security/CVE-2023-3390
- https://ubuntu.com/security/notices/USN-6246-1
- https://ubuntu.com/security/notices/USN-6250-1
- https://ubuntu.com/security/notices/USN-6251-1
- https://ubuntu.com/security/notices/USN-6252-1
- https://ubuntu.com/security/notices/USN-6254-1
- https://ubuntu.com/security/notices/USN-6255-1
- https://ubuntu.com/security/notices/USN-6260-1
- https://ubuntu.com/security/notices/USN-6261-1
- https://ubuntu.com/security/notices/USN-6285-1
- https://ubuntu.com/security/notices/USN-6385-1
- https://www.cve.org/CVERecord?id=CVE-2023-3390