What is the severity of CVE-2022-49387?

CVE-2022-49387 has been classified as a low severity vulnerability due to the nature of the overflow issue.

How do I fix CVE-2022-49387?

To fix CVE-2022-49387, you should update your Linux kernel to a version that includes the patch addressing the overflow issue.

Which versions of the Linux kernel are affected by CVE-2022-49387?

CVE-2022-49387 affects Linux kernel versions between 5.17 and 5.18.4.

What is the impact of CVE-2022-49387 on system functionality?

The impact of CVE-2022-49387 is primarily related to potential instability or unintended behavior due to timer cycle miscalculations.

Is CVE-2022-49387 exploitable remotely?

CVE-2022-49387 is not classified as remotely exploitable as it requires specific conditions related to system configuration.

Vulnerability/
CVE-2022-49387

medium

5.5

CWE

190

26/2/2025

17/4/2025

CVE-2022-49387: watchdog: rzg2l_wdt: Fix 32bit overflow issue

First published: Wed Feb 26 2025(Updated: )

In the Linux kernel, the following vulnerability has been resolved: watchdog: rzg2l_wdt: Fix 32bit overflow issue The value of timer_cycle_us can be 0 due to 32bit overflow. For eg:- If we assign the counter value "0xfff" for computing maxval. This patch fixes this issue by appending ULL to 1024, so that it is promoted to 64bit. This patch also fixes the warning message, 'watchdog: Invalid min and max timeout values, resetting to 0!'.

Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Affected Software	Affected Version	How to fix
Linux Kernel
Linux Kernel	>=5.17<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-2022-49387?
CVE-2022-49387 has been classified as a low severity vulnerability due to the nature of the overflow issue.
How do I fix CVE-2022-49387?
To fix CVE-2022-49387, you should update your Linux kernel to a version that includes the patch addressing the overflow issue.
Which versions of the Linux kernel are affected by CVE-2022-49387?
CVE-2022-49387 affects Linux kernel versions between 5.17 and 5.18.4.
What is the impact of CVE-2022-49387 on system functionality?
The impact of CVE-2022-49387 is primarily related to potential instability or unintended behavior due to timer cycle miscalculations.
Is CVE-2022-49387 exploitable remotely?
CVE-2022-49387 is not classified as remotely exploitable as it requires specific conditions related to system configuration.

collector/mitre-cve
source/MITRE
agent/first-publish-date
agent/type
agent/title
agent/references
agent/source
agent/author
agent/description
agent/guess-ai
agent/software-canonical-lookup
agent/software-canonical-lookup-request
agent/tags
agent/weakness
agent/last-modified-date
agent/remedy
agent/severity
agent/softwarecombine
agent/event
collector/nvd-api
source/NVD
vendor/linux
canonical/linux kernel
version/linux kernel/5.17
version/linux kernel/5.18

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Frequently Asked Questions

What is the severity of CVE-2022-49387?
CVE-2022-49387 has been classified as a low severity vulnerability due to the nature of the overflow issue.
How do I fix CVE-2022-49387?
To fix CVE-2022-49387, you should update your Linux kernel to a version that includes the patch addressing the overflow issue.
Which versions of the Linux kernel are affected by CVE-2022-49387?
CVE-2022-49387 affects Linux kernel versions between 5.17 and 5.18.4.
What is the impact of CVE-2022-49387 on system functionality?
The impact of CVE-2022-49387 is primarily related to potential instability or unintended behavior due to timer cycle miscalculations.
Is CVE-2022-49387 exploitable remotely?
CVE-2022-49387 is not classified as remotely exploitable as it requires specific conditions related to system configuration.

CVE-2022-49387: watchdog: rzg2l_wdt: Fix 32bit overflow issue

Remedy

Remedy

Remedy

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the severity of CVE-2022-49387?

How do I fix CVE-2022-49387?

Which versions of the Linux kernel are affected by CVE-2022-49387?

What is the impact of CVE-2022-49387 on system functionality?

Is CVE-2022-49387 exploitable remotely?

Company

Resources

Contact

Frequently Asked Questions

What is the severity of CVE-2022-49387?

How do I fix CVE-2022-49387?

Which versions of the Linux kernel are affected by CVE-2022-49387?

What is the impact of CVE-2022-49387 on system functionality?

Is CVE-2022-49387 exploitable remotely?