# CVE-2026-90122: linux: In the Linux kernel, the following vulnerability has been resolved:  clk: visconti: Make sure clk_init_data is fully...

CVE-2026-90122 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-90122, released September 23, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-90122
- Priority: Routine
- CVSS: n/a
- EPSS: 0.0021
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 17, 2026

## Description

In the Linux kernel, the following vulnerability has been resolved:  clk: visconti: Make sure clk_init_data is fully initialized  The clk_init_data structure contains several mutually-exclusive members for different methods to specify the possible parents of a clock, prompting drivers to initialize only the members they need.  However, not initializing all members may cause subtle issues, which are only exposed when CONFIG_INIT_STACK_ALL_PATTERN or CONFIG_INIT_STACK_NONE is enabled.  visconti_clk_register_gate() fills in init.parent_data, and assumes that init.parent_names is NULL.  However, the latter in uninitialized, and thus may cause a crash.  Make sure all members are fully initialized, to fix such bugs, and to avoid future breakage when converting drivers to a different method for specifying the parents.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 6.1.190-1 | [DEBIAN-CVE-2026-90122](https://patchblox.com/security/data/fix/linux/debian-cve-2026-90122.md) | Sep 23, 2026 |
| Linux | linux Debian 13.5 (trixie) | 6.12.111-1 | [DEBIAN-CVE-2026-90122](https://patchblox.com/security/data/fix/linux/debian-cve-2026-90122.md) | Sep 23, 2026 |
| Linux | linux Debian 14 | 7.2.6-1 | [DEBIAN-CVE-2026-90122](https://patchblox.com/security/data/fix/linux/debian-cve-2026-90122.md) | Sep 23, 2026 |
| Linux | linux-6.12 Debian 12.15 (bookworm) | 6.12.111-1~deb12u1 | [DEBIAN-CVE-2026-90122](https://patchblox.com/security/data/fix/linux/debian-cve-2026-90122.md) | Sep 23, 2026 |

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Data as of 2026-11-08T06:59:42Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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