# CVE-2023-46838: bpftool: A flaw has been found in Xen

CVE-2023-46838 is fixed in 22 products on 1 platform, first by DEBIAN-CVE-2023-46838, released January 29, 2024. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2023-46838
- Priority: High
- CVSS: 7.5 (important)
- EPSS: 0.0118
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jan 29, 2024

## Description

A flaw has been found in Xen. An unprivileged guest can cause Denial of Service (DoS) of the host by sending network packets to the backend, causing the backend to crash.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | bpftool amzn 2023 | 6.1.75-99.163.amzn2023 | [ALAS2023-2024-519](https://patchblox.com/security/data/fix/linux/alas2023-2024-519.md) | Feb 15, 2024 |
| Linux | bpftool-debuginfo amzn 2023 | 6.1.75-99.163.amzn2023 | [ALAS2023-2024-519](https://patchblox.com/security/data/fix/linux/alas2023-2024-519.md) | Feb 15, 2024 |
| Linux | kernel amzn 2023 | 6.1.75-99.163.amzn2023 | [ALAS2023-2024-519](https://patchblox.com/security/data/fix/linux/alas2023-2024-519.md) | Feb 15, 2024 |
| Linux | kernel-debuginfo amzn 2023 | 6.1.75-99.163.amzn2023 | [ALAS2023-2024-519](https://patchblox.com/security/data/fix/linux/alas2023-2024-519.md) | Feb 15, 2024 |
| Linux | kernel-debuginfo-common-aarch64 amzn 2023 | 6.1.75-99.163.amzn2023 | [ALAS2023-2024-519](https://patchblox.com/security/data/fix/linux/alas2023-2024-519.md) | Feb 15, 2024 |
| Linux | kernel-debuginfo-common-x86_64 amzn 2023 | 6.1.75-99.163.amzn2023 | [ALAS2023-2024-519](https://patchblox.com/security/data/fix/linux/alas2023-2024-519.md) | Feb 15, 2024 |
| Linux | kernel-devel amzn 2023 | 6.1.75-99.163.amzn2023 | [ALAS2023-2024-519](https://patchblox.com/security/data/fix/linux/alas2023-2024-519.md) | Feb 15, 2024 |
| Linux | kernel-headers amzn 2023 | 6.1.75-99.163.amzn2023 | [ALAS2023-2024-519](https://patchblox.com/security/data/fix/linux/alas2023-2024-519.md) | Feb 15, 2024 |
| Linux | kernel-libbpf amzn 2023 | 6.1.75-99.163.amzn2023 | [ALAS2023-2024-519](https://patchblox.com/security/data/fix/linux/alas2023-2024-519.md) | Feb 15, 2024 |
| Linux | kernel-libbpf-devel amzn 2023 | 6.1.75-99.163.amzn2023 | [ALAS2023-2024-519](https://patchblox.com/security/data/fix/linux/alas2023-2024-519.md) | Feb 15, 2024 |
| Linux | kernel-libbpf-static amzn 2023 | 6.1.75-99.163.amzn2023 | [ALAS2023-2024-519](https://patchblox.com/security/data/fix/linux/alas2023-2024-519.md) | Feb 15, 2024 |
| Linux | kernel-livepatch-6.1.75-99.163 amzn 2023 | 1.0-0.amzn2023 | [ALAS2023-2024-519](https://patchblox.com/security/data/fix/linux/alas2023-2024-519.md) | Feb 15, 2024 |
| Linux | kernel-modules-extra amzn 2023 | 6.1.75-99.163.amzn2023 | [ALAS2023-2024-519](https://patchblox.com/security/data/fix/linux/alas2023-2024-519.md) | Feb 15, 2024 |
| Linux | kernel-modules-extra-common amzn 2023 | 6.1.75-99.163.amzn2023 | [ALAS2023-2024-519](https://patchblox.com/security/data/fix/linux/alas2023-2024-519.md) | Feb 15, 2024 |
| Linux | kernel-tools amzn 2023 | 6.1.75-99.163.amzn2023 | [ALAS2023-2024-519](https://patchblox.com/security/data/fix/linux/alas2023-2024-519.md) | Feb 15, 2024 |
| Linux | kernel-tools-debuginfo amzn 2023 | 6.1.75-99.163.amzn2023 | [ALAS2023-2024-519](https://patchblox.com/security/data/fix/linux/alas2023-2024-519.md) | Feb 15, 2024 |
| Linux | kernel-tools-devel amzn 2023 | 6.1.75-99.163.amzn2023 | [ALAS2023-2024-519](https://patchblox.com/security/data/fix/linux/alas2023-2024-519.md) | Feb 15, 2024 |
| Linux | linux Debian 12.15 (bookworm) | 6.1.76-1 | [DEBIAN-CVE-2023-46838](https://patchblox.com/security/data/fix/linux/debian-cve-2023-46838.md) | Jan 29, 2024 |
| Linux | linux Debian 13.5 (trixie) | 6.6.15-1 | [DEBIAN-CVE-2023-46838](https://patchblox.com/security/data/fix/linux/debian-cve-2023-46838.md) | Jan 29, 2024 |
| Linux | linux Debian 14 | 6.6.15-1 | [DEBIAN-CVE-2023-46838](https://patchblox.com/security/data/fix/linux/debian-cve-2023-46838.md) | Jan 29, 2024 |
| Linux | perf amzn 2023 | 6.1.75-99.163.amzn2023 | [ALAS2023-2024-519](https://patchblox.com/security/data/fix/linux/alas2023-2024-519.md) | Feb 15, 2024 |
| Linux | perf-debuginfo amzn 2023 | 6.1.75-99.163.amzn2023 | [ALAS2023-2024-519](https://patchblox.com/security/data/fix/linux/alas2023-2024-519.md) | Feb 15, 2024 |
| Linux | python3-perf amzn 2023 | 6.1.75-99.163.amzn2023 | [ALAS2023-2024-519](https://patchblox.com/security/data/fix/linux/alas2023-2024-519.md) | Feb 15, 2024 |
| Linux | python3-perf-debuginfo amzn 2023 | 6.1.75-99.163.amzn2023 | [ALAS2023-2024-519](https://patchblox.com/security/data/fix/linux/alas2023-2024-519.md) | Feb 15, 2024 |

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Data as of 2026-11-11T07:45:43Z 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

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