# DLA-4400-1: rear security update

DLA-4400-1, released December 10, 2025, fixes 1 CVE in rear (version 2.6+dfsg-1+deb11u1). None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/dla-4400-1
- Platform: Linux
- Released: Dec 10, 2025
- Priority: Routine (Closes CVE-2024-23301)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2024-23301

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [rear](https://patchblox.com/security/data/product/linux/rear.md) | Debian 11.6 (bullseye) | 2.6+dfsg-1+deb11u1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2024-23301](https://patchblox.com/security/data/cve/CVE-2024-23301.md) | Routine | rear: Relax-and-Recover (aka ReaR) through 2.7 creates a world-readable initrd when using GRUB_RESCUE=y | 5.5 | 0.0029 |  |

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Data as of 2026-11-07T12:40:37Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo