# CVE-2022-1671: linux: A NULL pointer dereference flaw was found in rxrpc_preparse_s in net/rxrpc/server_key.c in the Linux kernel

CVE-2022-1671 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-1671, released July 26, 2022. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2022-1671
- Priority: High
- CVSS: 7.1 (high)
- EPSS: 0.0031
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 26, 2022

## Description

A NULL pointer dereference flaw was found in rxrpc_preparse_s in net/rxrpc/server_key.c in the Linux kernel. This flaw allows a local attacker to crash the system or leak internal kernel information.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 5.17.3-1 | [DEBIAN-CVE-2022-1671](https://patchblox.com/security/data/fix/linux/debian-cve-2022-1671.md) | Jul 26, 2022 |
| Linux | linux Debian 13.5 (trixie) | 5.17.3-1 | [DEBIAN-CVE-2022-1671](https://patchblox.com/security/data/fix/linux/debian-cve-2022-1671.md) | Jul 26, 2022 |
| Linux | linux Debian 14 | 5.17.3-1 | [DEBIAN-CVE-2022-1671](https://patchblox.com/security/data/fix/linux/debian-cve-2022-1671.md) | Jul 26, 2022 |

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Data as of 2026-11-08T00:53:09Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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