# DSA-5280-1: grub2 security update

DSA-5280-1, released November 15, 2022, fixes 1 CVE in grub2 (version 2.06-3~deb11u4). None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/dsa-5280-1
- Platform: Linux
- Released: Nov 15, 2022
- Priority: High (Closes CVE-2022-2601, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2022-2601

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [grub2](https://patchblox.com/security/data/product/linux/grub2.md) | Debian 11.6 (bullseye) | 2.06-3~deb11u4 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2022-2601](https://patchblox.com/security/data/cve/CVE-2022-2601.md) | High | Redhat: CVE-2022-2601 grub2 - Buffer overflow in grub_font_construct_glyph() can lead to out-of-bound write and possible secure boot bypass | 8.6 | 0.0052 |  |

---

Data as of 2026-11-07T06:34:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo