# CVE-2022-49832: linux: In the Linux kernel, the following vulnerability has been resolved:  pinctrl: devicetree: fix null pointer dereferenc...

CVE-2022-49832 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-49832, released May 1, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2022-49832
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0022
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 1, 2025

## Description

In the Linux kernel, the following vulnerability has been resolved:  pinctrl: devicetree: fix null pointer dereferencing in pinctrl_dt_to_map  Here is the BUG report by KASAN about null pointer dereference:  BUG: KASAN: null-ptr-deref in strcmp+0x2e/0x50 Read of size 1 at addr 0000000000000000 by task python3/2640 Call Trace:  strcmp  __of_find_property  of_find_property  pinctrl_dt_to_map  kasprintf() would return NULL pointer when kmalloc() fail to allocate. So directly return ENOMEM, if kasprintf() return NULL pointer.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 6.0.10-1 | [DEBIAN-CVE-2022-49832](https://patchblox.com/security/data/fix/linux/debian-cve-2022-49832.md) | May 1, 2025 |
| Linux | linux Debian 13.5 (trixie) | 6.0.10-1 | [DEBIAN-CVE-2022-49832](https://patchblox.com/security/data/fix/linux/debian-cve-2022-49832.md) | May 1, 2025 |
| Linux | linux Debian 14 | 6.0.10-1 | [DEBIAN-CVE-2022-49832](https://patchblox.com/security/data/fix/linux/debian-cve-2022-49832.md) | May 1, 2025 |

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