CVE-2022-48693 soc: brcmstb: pm-arm: Fix refcount leak and __iomem leak bugs

What is CVE-2022-48693?

CVE-2022-48693 is a medium-severity vulnerability in Linux kernel, published on 3 May 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In the Linux kernel, the following vulnerability has been resolved:

soc: brcmstb: pm-arm: Fix refcount leak and __iomem leak bugs

In brcmstb_pm_probe(), there are two kinds of leak bugs:

(1) we need to add of_node_put() when for_each__matching_node() breaks (2) we need to add iounmap() for each iomap in fail path

Weakness: CWE-401

Which versions are affected by CVE-2022-48693?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-48693?

Apply the vendor's patch.

Is CVE-2022-48693 being exploited?

There is no known exploitation of CVE-2022-48693 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2022-48693, GHSA-pr52-v39m-xpvv, UBUNTU-CVE-2022-48693.