# CVE-2023-52927: kernel-64kb: netfilter: allow exp not to be removed in nf_ct_find_expectation (bsc#1239644).

CVE-2023-52927 is fixed in 48 products on 1 platform, first by ALAS2023-2025-901, released March 13, 2025. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2023-52927
- Priority: High
- CVSS: 7.8 (high)
- EPSS: 0.0032
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 13, 2025

## Description

netfilter: allow exp not to be removed in nf_ct_find_expectation (bsc#1239644).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | bpftool amzn 2023 | 6.1.130-139.222.amzn2023 | [ALAS2023-2025-901](https://patchblox.com/security/data/fix/linux/alas2023-2025-901.md) | Mar 13, 2025 |
| Linux | bpftool-debuginfo amzn 2023 | 6.1.130-139.222.amzn2023 | [ALAS2023-2025-901](https://patchblox.com/security/data/fix/linux/alas2023-2025-901.md) | Mar 13, 2025 |
| Linux | dtb-aarch64 opensuse-leap 15.6 | 6.4.0-150600.23.47.1 | [SUSE-SU-2025:1180-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1180-1.md) | Apr 9, 2025 |
| Linux | kernel amzn 2023 | 6.1.130-139.222.amzn2023 | [ALAS2023-2025-901](https://patchblox.com/security/data/fix/linux/alas2023-2025-901.md) | Mar 13, 2025 |
| Linux | kernel-64kb opensuse-leap 15.6 | 6.4.0-150600.23.47.2 | [SUSE-SU-2025:1180-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1180-1.md) | Apr 9, 2025 |
| Linux | kernel-64kb sles 15.6 | 6.4.0-150600.23.47.2 | [SUSE-SU-2025:1180-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1180-1.md) | Apr 9, 2025 |
| Linux | kernel-64kb sles 15.7 | 6.4.0-150700.53.3.1 | [SUSE-SU-2025:01951-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-01951-1.md) | Jun 13, 2025 |
| Linux | kernel-azure opensuse-leap 15.6 | 6.4.0-150600.8.34.2 | [SUSE-SU-2025:1177-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1177-1.md) | Apr 8, 2025 |
| Linux | kernel-azure sles 15.6 | 6.4.0-150600.8.34.2 | [SUSE-SU-2025:1177-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1177-1.md) | Apr 8, 2025 |
| Linux | kernel-azure sles 15.7 | 6.4.0-150700.20.3.1 | [SUSE-SU-2025:01967-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-01967-1.md) | Jun 16, 2025 |
| Linux | kernel-coco sles 15.6 | 6.4.0-15061.21.coco15sp6.1 | [SUSE-SU-2025:01919-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-01919-1.md) | Jun 12, 2025 |
| Linux | kernel-coco_debug sles 15.6 | 6.4.0-15061.21.coco15sp6.1 | [SUSE-SU-2025:01919-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-01919-1.md) | Jun 12, 2025 |
| Linux | kernel-debug opensuse-leap 15.6 | 6.4.0-150600.23.47.2 | [SUSE-SU-2025:1180-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1180-1.md) | Apr 9, 2025 |
| Linux | kernel-debuginfo amzn 2023 | 6.1.130-139.222.amzn2023 | [ALAS2023-2025-901](https://patchblox.com/security/data/fix/linux/alas2023-2025-901.md) | Mar 13, 2025 |
| Linux | kernel-debuginfo-common-aarch64 amzn 2023 | 6.1.130-139.222.amzn2023 | [ALAS2023-2025-901](https://patchblox.com/security/data/fix/linux/alas2023-2025-901.md) | Mar 13, 2025 |
| Linux | kernel-debuginfo-common-x86_64 amzn 2023 | 6.1.130-139.222.amzn2023 | [ALAS2023-2025-901](https://patchblox.com/security/data/fix/linux/alas2023-2025-901.md) | Mar 13, 2025 |
| Linux | kernel-default opensuse-leap 15.6 | 6.4.0-150600.23.47.2 | [SUSE-SU-2025:1180-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1180-1.md) | Apr 9, 2025 |
| Linux | kernel-default sles 15.6 | 6.4.0-150600.23.47.2 | [SUSE-SU-2025:1180-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1180-1.md) | Apr 9, 2025 |
| Linux | kernel-default sles 15.7 | 6.4.0-150700.53.3.1 | [SUSE-SU-2025:01951-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-01951-1.md) | Jun 13, 2025 |
| Linux | kernel-default-base opensuse-leap 15.6 | 6.4.0-150600.23.47.2.150600.12.20.2 | [SUSE-SU-2025:1180-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1180-1.md) | Apr 9, 2025 |
| Linux | kernel-default-base sles 15.6 | 6.4.0-150600.23.47.2.150600.12.20.2 | [SUSE-SU-2025:1180-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1180-1.md) | Apr 9, 2025 |
| Linux | kernel-default-base sles 15.7 | 6.4.0-150700.53.3.1.150700.17.2.1 | [SUSE-SU-2025:01951-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-01951-1.md) | Jun 13, 2025 |
| Linux | kernel-devel amzn 2023 | 6.1.130-139.222.amzn2023 | [ALAS2023-2025-901](https://patchblox.com/security/data/fix/linux/alas2023-2025-901.md) | Mar 13, 2025 |
| Linux | kernel-docs opensuse-leap 15.6 | 6.4.0-150600.23.47.1 | [SUSE-SU-2025:1180-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1180-1.md) | Apr 9, 2025 |
| Linux | kernel-docs sles 15.6 | 6.4.0-150600.23.47.1 | [SUSE-SU-2025:1180-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1180-1.md) | Apr 9, 2025 |
| Linux | kernel-docs sles 15.7 | 6.4.0-150700.53.3.1 | [SUSE-SU-2025:01951-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-01951-1.md) | Jun 13, 2025 |
| Linux | kernel-headers amzn 2023 | 6.1.130-139.222.amzn2023 | [ALAS2023-2025-901](https://patchblox.com/security/data/fix/linux/alas2023-2025-901.md) | Mar 13, 2025 |
| Linux | kernel-kvmsmall opensuse-leap 15.6 | 6.4.0-150600.23.47.2 | [SUSE-SU-2025:1180-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1180-1.md) | Apr 9, 2025 |
| Linux | kernel-libbpf amzn 2023 | 6.1.130-139.222.amzn2023 | [ALAS2023-2025-901](https://patchblox.com/security/data/fix/linux/alas2023-2025-901.md) | Mar 13, 2025 |
| Linux | kernel-libbpf-devel amzn 2023 | 6.1.130-139.222.amzn2023 | [ALAS2023-2025-901](https://patchblox.com/security/data/fix/linux/alas2023-2025-901.md) | Mar 13, 2025 |
| Linux | kernel-libbpf-static amzn 2023 | 6.1.130-139.222.amzn2023 | [ALAS2023-2025-901](https://patchblox.com/security/data/fix/linux/alas2023-2025-901.md) | Mar 13, 2025 |
| Linux | kernel-livepatch-6.1.130-139.222 amzn 2023 | 1.0-0.amzn2023 | [ALAS2023-2025-901](https://patchblox.com/security/data/fix/linux/alas2023-2025-901.md) | Mar 13, 2025 |
| Linux | kernel-livepatch-SLE15-SP6-RT_Update_10 sles 15.6 | 1-150600.1.5.1 | [SUSE-SU-2025:1178-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1178-1.md) | Apr 8, 2025 |
| Linux | kernel-livepatch-SLE15-SP6_Update_10 sles 15.6 | 1-150600.13.5.1 | [SUSE-SU-2025:1180-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1180-1.md) | Apr 9, 2025 |
| Linux | kernel-livepatch-SLE15-SP7_Update_1 sles 15.7 | 1-150700.15.3.1 | [SUSE-SU-2025:01951-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-01951-1.md) | Jun 13, 2025 |
| Linux | kernel-modules-extra amzn 2023 | 6.1.130-139.222.amzn2023 | [ALAS2023-2025-901](https://patchblox.com/security/data/fix/linux/alas2023-2025-901.md) | Mar 13, 2025 |
| Linux | kernel-modules-extra-common amzn 2023 | 6.1.130-139.222.amzn2023 | [ALAS2023-2025-901](https://patchblox.com/security/data/fix/linux/alas2023-2025-901.md) | Mar 13, 2025 |
| Linux | kernel-obs-build opensuse-leap 15.6 | 6.4.0-150600.23.47.1 | [SUSE-SU-2025:1180-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1180-1.md) | Apr 9, 2025 |
| Linux | kernel-obs-build sles 15.6 | 6.4.0-150600.23.47.1 | [SUSE-SU-2025:1180-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1180-1.md) | Apr 9, 2025 |
| Linux | kernel-obs-build sles 15.7 | 6.4.0-150700.53.3.1 | [SUSE-SU-2025:01951-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-01951-1.md) | Jun 13, 2025 |
| Linux | kernel-obs-qa opensuse-leap 15.6 | 6.4.0-150600.23.47.1 | [SUSE-SU-2025:1180-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1180-1.md) | Apr 9, 2025 |
| Linux | kernel-rt opensuse-leap 15.6 | 6.4.0-150600.10.34.1 | [SUSE-SU-2025:1178-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1178-1.md) | Apr 8, 2025 |
| Linux | kernel-rt_debug opensuse-leap 15.6 | 6.4.0-150600.10.34.1 | [SUSE-SU-2025:1178-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1178-1.md) | Apr 8, 2025 |
| Linux | kernel-source opensuse-leap 15.6 | 6.4.0-150600.23.47.2 | [SUSE-SU-2025:1180-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1180-1.md) | Apr 9, 2025 |
| Linux | kernel-source sles 15.6 | 6.4.0-150600.23.47.2 | [SUSE-SU-2025:1180-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1180-1.md) | Apr 9, 2025 |
| Linux | kernel-source sles 15.7 | 6.4.0-150700.53.3.1 | [SUSE-SU-2025:01951-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-01951-1.md) | Jun 13, 2025 |
| Linux | kernel-source-azure opensuse-leap 15.6 | 6.4.0-150600.8.34.2 | [SUSE-SU-2025:1177-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1177-1.md) | Apr 8, 2025 |
| Linux | kernel-source-azure sles 15.6 | 6.4.0-150600.8.34.2 | [SUSE-SU-2025:1177-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1177-1.md) | Apr 8, 2025 |
| Linux | kernel-source-azure sles 15.7 | 6.4.0-150700.20.3.1 | [SUSE-SU-2025:01967-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-01967-1.md) | Jun 16, 2025 |
| Linux | kernel-source-coco sles 15.6 | 6.4.0-15061.21.coco15sp6.1 | [SUSE-SU-2025:01919-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-01919-1.md) | Jun 12, 2025 |
| Linux | kernel-source-rt opensuse-leap 15.6 | 6.4.0-150600.10.34.1 | [SUSE-SU-2025:1178-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1178-1.md) | Apr 8, 2025 |
| Linux | kernel-syms opensuse-leap 15.6 | 6.4.0-150600.23.47.1 | [SUSE-SU-2025:1180-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1180-1.md) | Apr 9, 2025 |
| Linux | kernel-syms sles 15.6 | 6.4.0-150600.23.47.1 | [SUSE-SU-2025:1180-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1180-1.md) | Apr 9, 2025 |
| Linux | kernel-syms sles 15.7 | 6.4.0-150700.53.3.1 | [SUSE-SU-2025:01951-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-01951-1.md) | Jun 13, 2025 |
| Linux | kernel-syms-azure opensuse-leap 15.6 | 6.4.0-150600.8.34.1 | [SUSE-SU-2025:1177-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1177-1.md) | Apr 8, 2025 |
| Linux | kernel-syms-azure sles 15.6 | 6.4.0-150600.8.34.1 | [SUSE-SU-2025:1177-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1177-1.md) | Apr 8, 2025 |
| Linux | kernel-syms-azure sles 15.7 | 6.4.0-150700.20.3.1 | [SUSE-SU-2025:01967-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-01967-1.md) | Jun 16, 2025 |
| Linux | kernel-syms-coco sles 15.6 | 6.4.0-15061.21.coco15sp6.1 | [SUSE-SU-2025:01919-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-01919-1.md) | Jun 12, 2025 |
| Linux | kernel-syms-rt opensuse-leap 15.6 | 6.4.0-150600.10.34.1 | [SUSE-SU-2025:1178-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1178-1.md) | Apr 8, 2025 |
| Linux | kernel-tools amzn 2023 | 6.1.130-139.222.amzn2023 | [ALAS2023-2025-901](https://patchblox.com/security/data/fix/linux/alas2023-2025-901.md) | Mar 13, 2025 |
| Linux | kernel-tools-debuginfo amzn 2023 | 6.1.130-139.222.amzn2023 | [ALAS2023-2025-901](https://patchblox.com/security/data/fix/linux/alas2023-2025-901.md) | Mar 13, 2025 |
| Linux | kernel-tools-devel amzn 2023 | 6.1.130-139.222.amzn2023 | [ALAS2023-2025-901](https://patchblox.com/security/data/fix/linux/alas2023-2025-901.md) | Mar 13, 2025 |
| Linux | kernel-zfcpdump opensuse-leap 15.6 | 6.4.0-150600.23.47.2 | [SUSE-SU-2025:1180-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1180-1.md) | Apr 9, 2025 |
| Linux | kernel-zfcpdump sles 15.6 | 6.4.0-150600.23.47.2 | [SUSE-SU-2025:1180-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1180-1.md) | Apr 9, 2025 |
| Linux | kernel-zfcpdump sles 15.7 | 6.4.0-150700.53.3.1 | [SUSE-SU-2025:01951-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-01951-1.md) | Jun 13, 2025 |
| Linux | linux Debian 12.15 (bookworm) | 6.1.133-1 | [DEBIAN-CVE-2023-52927](https://patchblox.com/security/data/fix/linux/debian-cve-2023-52927.md) | Mar 14, 2025 |
| Linux | linux Debian 13.5 (trixie) | 6.6.8-1 | [DEBIAN-CVE-2023-52927](https://patchblox.com/security/data/fix/linux/debian-cve-2023-52927.md) | Mar 14, 2025 |
| Linux | linux Debian 14 | 6.6.8-1 | [DEBIAN-CVE-2023-52927](https://patchblox.com/security/data/fix/linux/debian-cve-2023-52927.md) | Mar 14, 2025 |
| Linux | perf amzn 2023 | 6.1.130-139.222.amzn2023 | [ALAS2023-2025-901](https://patchblox.com/security/data/fix/linux/alas2023-2025-901.md) | Mar 13, 2025 |
| Linux | perf-debuginfo amzn 2023 | 6.1.130-139.222.amzn2023 | [ALAS2023-2025-901](https://patchblox.com/security/data/fix/linux/alas2023-2025-901.md) | Mar 13, 2025 |
| Linux | python3-perf amzn 2023 | 6.1.130-139.222.amzn2023 | [ALAS2023-2025-901](https://patchblox.com/security/data/fix/linux/alas2023-2025-901.md) | Mar 13, 2025 |
| Linux | python3-perf-debuginfo amzn 2023 | 6.1.130-139.222.amzn2023 | [ALAS2023-2025-901](https://patchblox.com/security/data/fix/linux/alas2023-2025-901.md) | Mar 13, 2025 |

---

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