# CVE-2023-46343: linux: In the Linux kernel before 6.5.9, there is a NULL pointer dereference in send_acknowledge in net/nfc/nci/spi.c.

CVE-2023-46343 is fixed in linux on 1 platform, first by DEBIAN-CVE-2023-46343, released January 23, 2024. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2023-46343
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0024
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jan 23, 2024

## Description

In the Linux kernel before 6.5.9, there is a NULL pointer dereference in send_acknowledge in net/nfc/nci/spi.c.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 6.1.64-1 | [DEBIAN-CVE-2023-46343](https://patchblox.com/security/data/fix/linux/debian-cve-2023-46343.md) | Jan 23, 2024 |
| Linux | linux Debian 13.5 (trixie) | 6.5.10-1 | [DEBIAN-CVE-2023-46343](https://patchblox.com/security/data/fix/linux/debian-cve-2023-46343.md) | Jan 23, 2024 |
| Linux | linux Debian 14 | 6.5.10-1 | [DEBIAN-CVE-2023-46343](https://patchblox.com/security/data/fix/linux/debian-cve-2023-46343.md) | Jan 23, 2024 |

---

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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.
