# CVE-2024-23850: linux: In btrfs_get_root_ref in fs/btrfs/disk-io.c in the Linux kernel through 6.7.1, there can be an assertion failure and...

CVE-2024-23850 is fixed in 22 products on 1 platform, first by DEBIAN-CVE-2024-23850, released January 23, 2024. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2024-23850
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0031
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jan 23, 2024

## Description

In btrfs_get_root_ref in fs/btrfs/disk-io.c in the Linux kernel through 6.7.1, there can be an assertion failure and crash because a subvolume can be read out too soon after its root item is inserted upon subvolume creation.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | bpftool amzn 2023 | 6.1.79-99.164.amzn2023 | [ALAS2023-2024-549](https://patchblox.com/security/data/fix/linux/alas2023-2024-549.md) | Feb 29, 2024 |
| Linux | bpftool-debuginfo amzn 2023 | 6.1.79-99.164.amzn2023 | [ALAS2023-2024-549](https://patchblox.com/security/data/fix/linux/alas2023-2024-549.md) | Feb 29, 2024 |
| Linux | kernel amzn 2023 | 6.1.79-99.164.amzn2023 | [ALAS2023-2024-549](https://patchblox.com/security/data/fix/linux/alas2023-2024-549.md) | Feb 29, 2024 |
| Linux | kernel-debuginfo amzn 2023 | 6.1.79-99.164.amzn2023 | [ALAS2023-2024-549](https://patchblox.com/security/data/fix/linux/alas2023-2024-549.md) | Feb 29, 2024 |
| Linux | kernel-debuginfo-common-aarch64 amzn 2023 | 6.1.79-99.164.amzn2023 | [ALAS2023-2024-549](https://patchblox.com/security/data/fix/linux/alas2023-2024-549.md) | Feb 29, 2024 |
| Linux | kernel-debuginfo-common-x86_64 amzn 2023 | 6.1.79-99.164.amzn2023 | [ALAS2023-2024-549](https://patchblox.com/security/data/fix/linux/alas2023-2024-549.md) | Feb 29, 2024 |
| Linux | kernel-devel amzn 2023 | 6.1.79-99.164.amzn2023 | [ALAS2023-2024-549](https://patchblox.com/security/data/fix/linux/alas2023-2024-549.md) | Feb 29, 2024 |
| Linux | kernel-headers amzn 2023 | 6.1.79-99.164.amzn2023 | [ALAS2023-2024-549](https://patchblox.com/security/data/fix/linux/alas2023-2024-549.md) | Feb 29, 2024 |
| Linux | kernel-libbpf amzn 2023 | 6.1.79-99.164.amzn2023 | [ALAS2023-2024-549](https://patchblox.com/security/data/fix/linux/alas2023-2024-549.md) | Feb 29, 2024 |
| Linux | kernel-libbpf-devel amzn 2023 | 6.1.79-99.164.amzn2023 | [ALAS2023-2024-549](https://patchblox.com/security/data/fix/linux/alas2023-2024-549.md) | Feb 29, 2024 |
| Linux | kernel-libbpf-static amzn 2023 | 6.1.79-99.164.amzn2023 | [ALAS2023-2024-549](https://patchblox.com/security/data/fix/linux/alas2023-2024-549.md) | Feb 29, 2024 |
| Linux | kernel-livepatch-6.1.79-99.164 amzn 2023 | 1.0-0.amzn2023 | [ALAS2023-2024-549](https://patchblox.com/security/data/fix/linux/alas2023-2024-549.md) | Feb 29, 2024 |
| Linux | kernel-modules-extra amzn 2023 | 6.1.79-99.164.amzn2023 | [ALAS2023-2024-549](https://patchblox.com/security/data/fix/linux/alas2023-2024-549.md) | Feb 29, 2024 |
| Linux | kernel-modules-extra-common amzn 2023 | 6.1.79-99.164.amzn2023 | [ALAS2023-2024-549](https://patchblox.com/security/data/fix/linux/alas2023-2024-549.md) | Feb 29, 2024 |
| Linux | kernel-tools amzn 2023 | 6.1.79-99.164.amzn2023 | [ALAS2023-2024-549](https://patchblox.com/security/data/fix/linux/alas2023-2024-549.md) | Feb 29, 2024 |
| Linux | kernel-tools-debuginfo amzn 2023 | 6.1.79-99.164.amzn2023 | [ALAS2023-2024-549](https://patchblox.com/security/data/fix/linux/alas2023-2024-549.md) | Feb 29, 2024 |
| Linux | kernel-tools-devel amzn 2023 | 6.1.79-99.164.amzn2023 | [ALAS2023-2024-549](https://patchblox.com/security/data/fix/linux/alas2023-2024-549.md) | Feb 29, 2024 |
| Linux | linux Debian 12.15 (bookworm) | 6.1.82-1 | [DEBIAN-CVE-2024-23850](https://patchblox.com/security/data/fix/linux/debian-cve-2024-23850.md) | Jan 23, 2024 |
| Linux | linux Debian 13.5 (trixie) | 6.6.7-1 | [DEBIAN-CVE-2024-23850](https://patchblox.com/security/data/fix/linux/debian-cve-2024-23850.md) | Jan 23, 2024 |
| Linux | linux Debian 14 | 6.6.7-1 | [DEBIAN-CVE-2024-23850](https://patchblox.com/security/data/fix/linux/debian-cve-2024-23850.md) | Jan 23, 2024 |
| Linux | perf amzn 2023 | 6.1.79-99.164.amzn2023 | [ALAS2023-2024-549](https://patchblox.com/security/data/fix/linux/alas2023-2024-549.md) | Feb 29, 2024 |
| Linux | perf-debuginfo amzn 2023 | 6.1.79-99.164.amzn2023 | [ALAS2023-2024-549](https://patchblox.com/security/data/fix/linux/alas2023-2024-549.md) | Feb 29, 2024 |
| Linux | python3-perf amzn 2023 | 6.1.79-99.164.amzn2023 | [ALAS2023-2024-549](https://patchblox.com/security/data/fix/linux/alas2023-2024-549.md) | Feb 29, 2024 |
| Linux | python3-perf-debuginfo amzn 2023 | 6.1.79-99.164.amzn2023 | [ALAS2023-2024-549](https://patchblox.com/security/data/fix/linux/alas2023-2024-549.md) | Feb 29, 2024 |

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Data as of 2026-11-08T13:06:02Z 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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