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CVE-2023-53631: platform/x86: dell-sysman: Fix reference leak

• 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

Description

In the Linux kernel, the following vulnerability has been resolved: platform/x86: dell-sysman: Fix reference leak If a duplicate attribute is found using kset_find_obj(), a reference to that attribute is returned. This means that we need to dispose it accordingly. Use kobject_put() to dispose the duplicate attribute in such a case. Compile-tested only.

Affected products

• Linux kernel: from 5.11 before 5.15.132; from 5.16 before 6.1.53; from 6.2 before 6.4.16; from 6.5 before 6.5.3 — fixed in 5.15.132, 6.1.53, 6.4.16, 6.5.3

How to fix

Upgrade to a fixed version: Linux kernel 5.15.132, 6.1.53, 6.4.16, 6.5.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/6ced15ff1746006476f1407fe722911a45a7874d
• https://git.kernel.org/stable/c/7295a996fdab7bf83dc3d4078fa8b139b8e0a1bf
• https://git.kernel.org/stable/c/9d9e03bec147407826266580e7d6ec427241d859
• https://git.kernel.org/stable/c/c5402011992bcc2b5614fe7fef24f9cdaec7473b
• https://git.kernel.org/stable/c/d079a3e1ccdd183b75db4f5289be347980b45284

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