# SUSE-SU-2025:0421-1: ovmf security update

SUSE-SU-2025:0421-1, released February 11, 2025, fixes 7 CVEs in ovmf (version 202308-150600.5.9.1). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/suse-su-2025-0421-1
- Platform: Linux
- Released: Feb 11, 2025
- Priority: High (Closes CVE-2023-45233, high severity)
- CVEs: 7, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/SUSE-SU-2025:0421-1

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [ovmf](https://patchblox.com/security/data/product/linux/ovmf.md) | opensuse-leap 15.6 | 202308-150600.5.9.1 |
| [ovmf](https://patchblox.com/security/data/product/linux/ovmf.md) | sles 15.6 | 202308-150600.5.9.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-45232](https://patchblox.com/security/data/cve/CVE-2023-45232.md) | High | ovmf: infinite loop in edk2 when parsing unknown options in the Destination Options header | 8.8 | 0.0208 |  |
| [CVE-2023-45233](https://patchblox.com/security/data/cve/CVE-2023-45233.md) | High | ovmf: infinite loop in edk2 when parsing PadN options in the Destination Options header | 8.8 | 0.0208 |  |
| [CVE-2023-45235](https://patchblox.com/security/data/cve/CVE-2023-45235.md) | High | ovmf: buffer overflow in edk2 when handling the Server ID option in a DHCPv6 proxy Advertise message. | 8.8 | 0.0122 |  |
| [CVE-2023-45230](https://patchblox.com/security/data/cve/CVE-2023-45230.md) | High | ovmf: buffer overflow in the DHCPv6 client in edk2 via a long Server ID option | 8.8 | 0.0121 |  |
| [CVE-2023-45234](https://patchblox.com/security/data/cve/CVE-2023-45234.md) | High | ovmf: buffer overflow in edk2 when processing DNS Servers options in a DHCPv6 Advertise message. | 8.8 | 0.0119 |  |
| [CVE-2023-45229](https://patchblox.com/security/data/cve/CVE-2023-45229.md) | High | ovmf: out-of-bounds read in edk2 when processing IA_NA/IA_TA options in DHCPv6 Advertise messages. | 8.8 | 0.0097 |  |
| [CVE-2023-45231](https://patchblox.com/security/data/cve/CVE-2023-45231.md) | High | ovmf: out-of-bounds read in edk2 when handling a ND Redirect message with truncated options | 8.8 | 0.0085 |  |

---

Data as of 2026-11-11T01:43:54Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.