# CVE-2024-0584: bpftool: A use-after-free issue was found in igmp_start_timer in net/ipv4/igmp.c in the network sub-component in the Linux Kernel

CVE-2024-0584 is fixed in 20 products on 1 platform, first by ALAS2023-2023-461, released December 13, 2023. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2024-0584
- Priority: High
- CVSS: n/a (important)
- EPSS: n/a
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 13, 2023

## Description

A use-after-free issue was found in igmp_start_timer in net/ipv4/igmp.c in the network sub-component in the Linux Kernel. This flaw allows a local user to observe a refcnt use-after-free issue when receiving an igmp query packet, leading to a kernel information leak.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | bpftool amzn 2023 | 6.1.66-91.160.amzn2023 | [ALAS2023-2023-461](https://patchblox.com/security/data/fix/linux/alas2023-2023-461.md) | Dec 13, 2023 |
| Linux | bpftool-debuginfo amzn 2023 | 6.1.66-91.160.amzn2023 | [ALAS2023-2023-461](https://patchblox.com/security/data/fix/linux/alas2023-2023-461.md) | Dec 13, 2023 |
| Linux | kernel amzn 2023 | 6.1.66-91.160.amzn2023 | [ALAS2023-2023-461](https://patchblox.com/security/data/fix/linux/alas2023-2023-461.md) | Dec 13, 2023 |
| Linux | kernel-debuginfo amzn 2023 | 6.1.66-91.160.amzn2023 | [ALAS2023-2023-461](https://patchblox.com/security/data/fix/linux/alas2023-2023-461.md) | Dec 13, 2023 |
| Linux | kernel-debuginfo-common-aarch64 amzn 2023 | 6.1.66-91.160.amzn2023 | [ALAS2023-2023-461](https://patchblox.com/security/data/fix/linux/alas2023-2023-461.md) | Dec 13, 2023 |
| Linux | kernel-debuginfo-common-x86_64 amzn 2023 | 6.1.66-91.160.amzn2023 | [ALAS2023-2023-461](https://patchblox.com/security/data/fix/linux/alas2023-2023-461.md) | Dec 13, 2023 |
| Linux | kernel-devel amzn 2023 | 6.1.66-91.160.amzn2023 | [ALAS2023-2023-461](https://patchblox.com/security/data/fix/linux/alas2023-2023-461.md) | Dec 13, 2023 |
| Linux | kernel-headers amzn 2023 | 6.1.66-91.160.amzn2023 | [ALAS2023-2023-461](https://patchblox.com/security/data/fix/linux/alas2023-2023-461.md) | Dec 13, 2023 |
| Linux | kernel-libbpf amzn 2023 | 6.1.66-91.160.amzn2023 | [ALAS2023-2023-461](https://patchblox.com/security/data/fix/linux/alas2023-2023-461.md) | Dec 13, 2023 |
| Linux | kernel-libbpf-devel amzn 2023 | 6.1.66-91.160.amzn2023 | [ALAS2023-2023-461](https://patchblox.com/security/data/fix/linux/alas2023-2023-461.md) | Dec 13, 2023 |
| Linux | kernel-libbpf-static amzn 2023 | 6.1.66-91.160.amzn2023 | [ALAS2023-2023-461](https://patchblox.com/security/data/fix/linux/alas2023-2023-461.md) | Dec 13, 2023 |
| Linux | kernel-livepatch-6.1.66-91.160 amzn 2023 | 1.0-0.amzn2023 | [ALAS2023-2023-461](https://patchblox.com/security/data/fix/linux/alas2023-2023-461.md) | Dec 13, 2023 |
| Linux | kernel-modules-extra amzn 2023 | 6.1.66-91.160.amzn2023 | [ALAS2023-2023-461](https://patchblox.com/security/data/fix/linux/alas2023-2023-461.md) | Dec 13, 2023 |
| Linux | kernel-tools amzn 2023 | 6.1.66-91.160.amzn2023 | [ALAS2023-2023-461](https://patchblox.com/security/data/fix/linux/alas2023-2023-461.md) | Dec 13, 2023 |
| Linux | kernel-tools-debuginfo amzn 2023 | 6.1.66-91.160.amzn2023 | [ALAS2023-2023-461](https://patchblox.com/security/data/fix/linux/alas2023-2023-461.md) | Dec 13, 2023 |
| Linux | kernel-tools-devel amzn 2023 | 6.1.66-91.160.amzn2023 | [ALAS2023-2023-461](https://patchblox.com/security/data/fix/linux/alas2023-2023-461.md) | Dec 13, 2023 |
| Linux | perf amzn 2023 | 6.1.66-91.160.amzn2023 | [ALAS2023-2023-461](https://patchblox.com/security/data/fix/linux/alas2023-2023-461.md) | Dec 13, 2023 |
| Linux | perf-debuginfo amzn 2023 | 6.1.66-91.160.amzn2023 | [ALAS2023-2023-461](https://patchblox.com/security/data/fix/linux/alas2023-2023-461.md) | Dec 13, 2023 |
| Linux | python3-perf amzn 2023 | 6.1.66-91.160.amzn2023 | [ALAS2023-2023-461](https://patchblox.com/security/data/fix/linux/alas2023-2023-461.md) | Dec 13, 2023 |
| Linux | python3-perf-debuginfo amzn 2023 | 6.1.66-91.160.amzn2023 | [ALAS2023-2023-461](https://patchblox.com/security/data/fix/linux/alas2023-2023-461.md) | Dec 13, 2023 |

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