Vulnerability Description
A memory leak flaw was found in nft_set_catchall_flush in net/netfilter/nf_tables_api.c in the Linux Kernel. This issue may allow a local attacker to cause double-deactivations of catchall elements, which can result in a memory leak.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 6.5 |
| Redhat | Enterprise Linux | 8.0 |
| Debian | Debian Linux | 12.0 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/security/cve/CVE-2023-4569Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2235470Issue TrackingPatchThird Party Advisory
- https://patchwork.ozlabs.org/project/netfilter-devel/patch/20230812110526.49808-Mailing ListPatch
- https://www.debian.org/security/2023/dsa-5492Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-4569Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2235470Issue TrackingPatchThird Party Advisory
- https://patchwork.ozlabs.org/project/netfilter-devel/patch/20230812110526.49808-Mailing ListPatch
- https://www.debian.org/security/2023/dsa-5492Third Party Advisory
FAQ
What is CVE-2023-4569?
CVE-2023-4569 is a vulnerability with a CVSS score of 5.5 (MEDIUM). A memory leak flaw was found in nft_set_catchall_flush in net/netfilter/nf_tables_api.c in the Linux Kernel. This issue may allow a local attacker to cause double-deactivations of catchall elements, w...
How severe is CVE-2023-4569?
CVE-2023-4569 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-4569?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Redhat Enterprise Linux, Debian Debian Linux.