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CVE-2022-49758: reset: uniphier-glue: Fix possible null-ptr-deref

• 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: 2025-03-27 · updated 2026-06-17
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: reset: uniphier-glue: Fix possible null-ptr-deref It will cause null-ptr-deref when resource_size(res) invoked, if platform_get_resource() returns NULL.

Affected products

• Linux kernel: from 4.19 before 5.15.91; from 5.16 before 6.1.9; 6.2-rc1, 6.2-rc2, 6.2-rc3, 6.2-rc4 — fixed in 5.15.91, 6.1.9

How to fix

Upgrade to a fixed version: Linux kernel 5.15.91, 6.1.9. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/3a2390c6777e3f6662980c6cfc25cafe9e4fef98
• https://git.kernel.org/stable/c/633bad3dc81ce2aa561f704ec091e49eb647bd0b
• https://git.kernel.org/stable/c/95de286200b2a046da01c4aeba02ae9220d68ca4

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