# CVE-2022-50012: linux: In the Linux kernel, the following vulnerability has been resolved:  powerpc/64: Init jump labels before parse_early_...

CVE-2022-50012 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-50012, released June 18, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2022-50012
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0025
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 18, 2025

## Description

In the Linux kernel, the following vulnerability has been resolved:  powerpc/64: Init jump labels before parse_early_param()  On 64-bit, calling jump_label_init() in setup_feature_keys() is too late because static keys may be used in subroutines of parse_early_param() which is again subroutine of early_init_devtree().  For example booting with "threadirqs":    static_key_enable_cpuslocked(): static key '0xc000000002953260' used before call to jump_label_init()   WARNING: CPU: 0 PID: 0 at kernel/jump_label.c:166 static_key_enable_cpuslocked+0xfc/0x120   ...   NIP static_key_enable_cpuslocked+0xfc/0x120   LR  static_key_enable_cpuslocked+0xf8/0x120   Call Trace:     static_key_enable_cpuslocked+0xf8/0x120 (unreliable)     static_key_enable+0x30/0x50     setup_forced_irqthreads+0x28/0x40     do_early_param+0xa0/0x108     parse_args+0x290/0x4e0     parse_early_options+0x48/0x5c     parse_early_param+0x58/0x84     early_init_devtree+0xd4/0x518     early_setup+0xb4/0x214  So call jump_label_init() just before parse_early_param() in early_init_devtree().  [mpe: Add call trace to change log and minor wording edits.]

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 6.0.2-1 | [DEBIAN-CVE-2022-50012](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50012.md) | Jun 18, 2025 |
| Linux | linux Debian 13.5 (trixie) | 6.0.2-1 | [DEBIAN-CVE-2022-50012](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50012.md) | Jun 18, 2025 |
| Linux | linux Debian 14 | 6.0.2-1 | [DEBIAN-CVE-2022-50012](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50012.md) | Jun 18, 2025 |

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