# CVE-2023-7192: linux: A memory leak problem was found in ctnetlink_create_conntrack in net/netfilter/nf_conntrack_netlink.c in the Linux Ke...

CVE-2023-7192 is fixed in 20 products on 1 platform, first by ALAS2023-2023-138, released March 20, 2023. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2023-7192
- Priority: Routine
- CVSS: 4.4 (medium)
- EPSS: 0.0030
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 20, 2023

## Description

A memory leak problem was found in ctnetlink_create_conntrack in net/netfilter/nf_conntrack_netlink.c in the Linux Kernel. This issue may allow a local attacker with CAP_NET_ADMIN privileges to cause a denial of service (DoS) attack due to a refcount overflow.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | bpftool amzn 2023 | 6.1.19-30.43.amzn2023 | [ALAS2023-2023-138](https://patchblox.com/security/data/fix/linux/alas2023-2023-138.md) | Mar 20, 2023 |
| Linux | bpftool-debuginfo amzn 2023 | 6.1.19-30.43.amzn2023 | [ALAS2023-2023-138](https://patchblox.com/security/data/fix/linux/alas2023-2023-138.md) | Mar 20, 2023 |
| Linux | kernel amzn 2023 | 6.1.19-30.43.amzn2023 | [ALAS2023-2023-138](https://patchblox.com/security/data/fix/linux/alas2023-2023-138.md) | Mar 20, 2023 |
| Linux | kernel-debuginfo amzn 2023 | 6.1.19-30.43.amzn2023 | [ALAS2023-2023-138](https://patchblox.com/security/data/fix/linux/alas2023-2023-138.md) | Mar 20, 2023 |
| Linux | kernel-debuginfo-common-aarch64 amzn 2023 | 6.1.19-30.43.amzn2023 | [ALAS2023-2023-138](https://patchblox.com/security/data/fix/linux/alas2023-2023-138.md) | Mar 20, 2023 |
| Linux | kernel-debuginfo-common-x86_64 amzn 2023 | 6.1.19-30.43.amzn2023 | [ALAS2023-2023-138](https://patchblox.com/security/data/fix/linux/alas2023-2023-138.md) | Mar 20, 2023 |
| Linux | kernel-devel amzn 2023 | 6.1.19-30.43.amzn2023 | [ALAS2023-2023-138](https://patchblox.com/security/data/fix/linux/alas2023-2023-138.md) | Mar 20, 2023 |
| Linux | kernel-headers amzn 2023 | 6.1.19-30.43.amzn2023 | [ALAS2023-2023-138](https://patchblox.com/security/data/fix/linux/alas2023-2023-138.md) | Mar 20, 2023 |
| Linux | kernel-libbpf amzn 2023 | 6.1.19-30.43.amzn2023 | [ALAS2023-2023-138](https://patchblox.com/security/data/fix/linux/alas2023-2023-138.md) | Mar 20, 2023 |
| Linux | kernel-libbpf-devel amzn 2023 | 6.1.19-30.43.amzn2023 | [ALAS2023-2023-138](https://patchblox.com/security/data/fix/linux/alas2023-2023-138.md) | Mar 20, 2023 |
| Linux | kernel-libbpf-static amzn 2023 | 6.1.19-30.43.amzn2023 | [ALAS2023-2023-138](https://patchblox.com/security/data/fix/linux/alas2023-2023-138.md) | Mar 20, 2023 |
| Linux | kernel-livepatch-6.1.19-30.43 amzn 2023 | 1.0-0.amzn2023 | [ALAS2023-2023-138](https://patchblox.com/security/data/fix/linux/alas2023-2023-138.md) | Mar 20, 2023 |
| Linux | kernel-tools amzn 2023 | 6.1.19-30.43.amzn2023 | [ALAS2023-2023-138](https://patchblox.com/security/data/fix/linux/alas2023-2023-138.md) | Mar 20, 2023 |
| Linux | kernel-tools-debuginfo amzn 2023 | 6.1.19-30.43.amzn2023 | [ALAS2023-2023-138](https://patchblox.com/security/data/fix/linux/alas2023-2023-138.md) | Mar 20, 2023 |
| Linux | kernel-tools-devel amzn 2023 | 6.1.19-30.43.amzn2023 | [ALAS2023-2023-138](https://patchblox.com/security/data/fix/linux/alas2023-2023-138.md) | Mar 20, 2023 |
| Linux | linux Debian 12.15 (bookworm) | 6.1.20-1 | [DEBIAN-CVE-2023-7192](https://patchblox.com/security/data/fix/linux/debian-cve-2023-7192.md) | Jan 2, 2024 |
| Linux | linux Debian 13.5 (trixie) | 6.1.20-1 | [DEBIAN-CVE-2023-7192](https://patchblox.com/security/data/fix/linux/debian-cve-2023-7192.md) | Jan 2, 2024 |
| Linux | linux Debian 14 | 6.1.20-1 | [DEBIAN-CVE-2023-7192](https://patchblox.com/security/data/fix/linux/debian-cve-2023-7192.md) | Jan 2, 2024 |
| Linux | perf amzn 2023 | 6.1.19-30.43.amzn2023 | [ALAS2023-2023-138](https://patchblox.com/security/data/fix/linux/alas2023-2023-138.md) | Mar 20, 2023 |
| Linux | perf-debuginfo amzn 2023 | 6.1.19-30.43.amzn2023 | [ALAS2023-2023-138](https://patchblox.com/security/data/fix/linux/alas2023-2023-138.md) | Mar 20, 2023 |
| Linux | python3-perf amzn 2023 | 6.1.19-30.43.amzn2023 | [ALAS2023-2023-138](https://patchblox.com/security/data/fix/linux/alas2023-2023-138.md) | Mar 20, 2023 |
| Linux | python3-perf-debuginfo amzn 2023 | 6.1.19-30.43.amzn2023 | [ALAS2023-2023-138](https://patchblox.com/security/data/fix/linux/alas2023-2023-138.md) | Mar 20, 2023 |

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