# CVE-2023-4569: linux: A memory leak flaw was found in nft_set_catchall_flush in net/netfilter/nf_tables_api.c in the Linux Kernel

CVE-2023-4569 is fixed in 20 products on 1 platform, first by DEBIAN-CVE-2023-4569, released August 28, 2023. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2023-4569
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0026
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 28, 2023

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | bpftool amzn 2023 | 6.1.49-69.116.amzn2023 | [ALAS2023-2023-330](https://patchblox.com/security/data/fix/linux/alas2023-2023-330.md) | Aug 31, 2023 |
| Linux | bpftool-debuginfo amzn 2023 | 6.1.49-69.116.amzn2023 | [ALAS2023-2023-330](https://patchblox.com/security/data/fix/linux/alas2023-2023-330.md) | Aug 31, 2023 |
| Linux | kernel amzn 2023 | 6.1.49-69.116.amzn2023 | [ALAS2023-2023-330](https://patchblox.com/security/data/fix/linux/alas2023-2023-330.md) | Aug 31, 2023 |
| Linux | kernel-debuginfo amzn 2023 | 6.1.49-69.116.amzn2023 | [ALAS2023-2023-330](https://patchblox.com/security/data/fix/linux/alas2023-2023-330.md) | Aug 31, 2023 |
| Linux | kernel-debuginfo-common-aarch64 amzn 2023 | 6.1.49-69.116.amzn2023 | [ALAS2023-2023-330](https://patchblox.com/security/data/fix/linux/alas2023-2023-330.md) | Aug 31, 2023 |
| Linux | kernel-debuginfo-common-x86_64 amzn 2023 | 6.1.49-69.116.amzn2023 | [ALAS2023-2023-330](https://patchblox.com/security/data/fix/linux/alas2023-2023-330.md) | Aug 31, 2023 |
| Linux | kernel-devel amzn 2023 | 6.1.49-69.116.amzn2023 | [ALAS2023-2023-330](https://patchblox.com/security/data/fix/linux/alas2023-2023-330.md) | Aug 31, 2023 |
| Linux | kernel-headers amzn 2023 | 6.1.49-69.116.amzn2023 | [ALAS2023-2023-330](https://patchblox.com/security/data/fix/linux/alas2023-2023-330.md) | Aug 31, 2023 |
| Linux | kernel-libbpf amzn 2023 | 6.1.49-69.116.amzn2023 | [ALAS2023-2023-330](https://patchblox.com/security/data/fix/linux/alas2023-2023-330.md) | Aug 31, 2023 |
| Linux | kernel-libbpf-devel amzn 2023 | 6.1.49-69.116.amzn2023 | [ALAS2023-2023-330](https://patchblox.com/security/data/fix/linux/alas2023-2023-330.md) | Aug 31, 2023 |
| Linux | kernel-libbpf-static amzn 2023 | 6.1.49-69.116.amzn2023 | [ALAS2023-2023-330](https://patchblox.com/security/data/fix/linux/alas2023-2023-330.md) | Aug 31, 2023 |
| Linux | kernel-livepatch-6.1.49-69.116 amzn 2023 | 1.0-0.amzn2023 | [ALAS2023-2023-330](https://patchblox.com/security/data/fix/linux/alas2023-2023-330.md) | Aug 31, 2023 |
| Linux | kernel-tools amzn 2023 | 6.1.49-69.116.amzn2023 | [ALAS2023-2023-330](https://patchblox.com/security/data/fix/linux/alas2023-2023-330.md) | Aug 31, 2023 |
| Linux | kernel-tools-debuginfo amzn 2023 | 6.1.49-69.116.amzn2023 | [ALAS2023-2023-330](https://patchblox.com/security/data/fix/linux/alas2023-2023-330.md) | Aug 31, 2023 |
| Linux | kernel-tools-devel amzn 2023 | 6.1.49-69.116.amzn2023 | [ALAS2023-2023-330](https://patchblox.com/security/data/fix/linux/alas2023-2023-330.md) | Aug 31, 2023 |
| Linux | linux Debian 12.15 (bookworm) | 6.1.52-1 | [DEBIAN-CVE-2023-4569](https://patchblox.com/security/data/fix/linux/debian-cve-2023-4569.md) | Aug 28, 2023 |
| Linux | linux Debian 13.5 (trixie) | 6.4.13-1 | [DEBIAN-CVE-2023-4569](https://patchblox.com/security/data/fix/linux/debian-cve-2023-4569.md) | Aug 28, 2023 |
| Linux | linux Debian 14 | 6.4.13-1 | [DEBIAN-CVE-2023-4569](https://patchblox.com/security/data/fix/linux/debian-cve-2023-4569.md) | Aug 28, 2023 |
| Linux | perf amzn 2023 | 6.1.49-69.116.amzn2023 | [ALAS2023-2023-330](https://patchblox.com/security/data/fix/linux/alas2023-2023-330.md) | Aug 31, 2023 |
| Linux | perf-debuginfo amzn 2023 | 6.1.49-69.116.amzn2023 | [ALAS2023-2023-330](https://patchblox.com/security/data/fix/linux/alas2023-2023-330.md) | Aug 31, 2023 |
| Linux | python3-perf amzn 2023 | 6.1.49-69.116.amzn2023 | [ALAS2023-2023-330](https://patchblox.com/security/data/fix/linux/alas2023-2023-330.md) | Aug 31, 2023 |
| Linux | python3-perf-debuginfo amzn 2023 | 6.1.49-69.116.amzn2023 | [ALAS2023-2023-330](https://patchblox.com/security/data/fix/linux/alas2023-2023-330.md) | Aug 31, 2023 |

---

Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.