What’s Vulnerable › Vulnerabilities

CVE-2022-50463: powerpc/52xx: Fix a resource leak in an error handling path

• 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: 2025-10-01 · updated 2026-06-17
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: powerpc/52xx: Fix a resource leak in an error handling path The error handling path of mpc52xx_lpbfifo_probe() has a request_irq() that is not balanced by a corresponding free_irq(). Add the missing call, as already done in the remove function.

Affected products

• Linux kernel: from 2.6.33 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/0accd460dc7bbe5f55e41a8867c63db9d07b3ec8
• https://git.kernel.org/stable/c/40b4be399e0db7073dec5a0de5ca9994f7e31e58
• https://git.kernel.org/stable/c/5836947613ef33d311b4eff6a32d019580a214f5
• https://git.kernel.org/stable/c/9bf842ffdd216b9f94d5b051b5d8b815f2426538
• https://git.kernel.org/stable/c/be9caf2c936f15a9c3f9111e62bdde6357312f90
• https://git.kernel.org/stable/c/cbda93665a3857324f5c79e45769a83c78183199
• https://git.kernel.org/stable/c/e4002f293e5b44e57d2930513cca0dff32249812
• https://git.kernel.org/stable/c/f4ad0a7f0e78d65d38921ab2bef234e49be78b10
• https://git.kernel.org/stable/c/fb3ef6a5af4b003502c940ea50c0f55b06ebbfc9

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