What’s Vulnerable › Vulnerabilities

CVE-2022-50523: clk: rockchip: Fix memory leak in rockchip_clk_register_pll()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-10-07 · updated 2026-06-17
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: clk: rockchip: Fix memory leak in rockchip_clk_register_pll() If clk_register() fails, @pll->rate_table may have allocated memory by kmemdup(), so it needs to be freed, otherwise will cause memory leak issue, this patch fixes it.

Affected products

• Linux kernel: from 3.17 before 4.9.337; from 4.10 before 4.14.303; from 4.15 before 4.19.270; from 4.20 before 5.4.229; from 5.5 before 5.10.163; from 5.11 before 5.15.86 — fixed in 4.14.303, 4.19.270, 4.9.337, 5.10.163, 5.15.86, 5.4.229

How to fix

Upgrade to a fixed version: Linux kernel 4.14.303, 4.19.270, 4.9.337, 5.10.163. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/20201c3a0a32f127fa4bdf379d6ac01c2978702d
• https://git.kernel.org/stable/c/26b94635f1c84d7f6cb482179125cb17e59c90a5
• https://git.kernel.org/stable/c/5b0a1f1247cd42ac5e0d369f8dbb58762692edee
• https://git.kernel.org/stable/c/739a6a6bbdb793bd57938cb24aa5a6df89983546
• https://git.kernel.org/stable/c/86e1e080ad14c5fb6c14a5f0eb530b1b38cbc968
• https://git.kernel.org/stable/c/dcd4ba068b194c6ef0071491aa3f12bec8c14d5b
• https://git.kernel.org/stable/c/f02c1d8dc8d880cbaaf9094b4f396fe868ee23ff
• https://git.kernel.org/stable/c/f2ffb8653ea85ae39ce44347751fcc4c3e41f6bb
• https://git.kernel.org/stable/c/f4d70c139d313948e02360304a6cbcd3a4f5deb5

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