CVE-2022-49392: serial: 8250_aspeed_vuart: Fix potential NULL dereference in aspeed_vuart_probe
First published: Wed Feb 26 2025(Updated: )
In the Linux kernel, the following vulnerability has been resolved: serial: 8250_aspeed_vuart: Fix potential NULL dereference in aspeed_vuart_probe platform_get_resource() may fail and return NULL, so we should better check it's return value to avoid a NULL pointer dereference.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=5.14<5.15.47 | |
| Linux Kernel | >=5.16<5.17.15 | |
| Linux Kernel | >=5.18<5.18.4 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2022-49392?
CVE-2022-49392 has a moderate severity level due to the potential for NULL pointer dereference.
How do I fix CVE-2022-49392?
To fix CVE-2022-49392, update your Linux kernel to a version that includes the necessary patch.
What systems are affected by CVE-2022-49392?
CVE-2022-49392 affects specific versions of the Linux kernel between 5.14 and 5.18.4, including 5.15.x and 5.17.x.
What impact does CVE-2022-49392 have on Linux systems?
CVE-2022-49392 can lead to a system crash or instability if platform_get_resource() fails and is not properly handled.
When was CVE-2022-49392 announced?
CVE-2022-49392 was announced as part of a vulnerability disclosure in the Linux kernel's ongoing development updates.
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