CVE-2021-25487: Samsung Mobile Devices Out-of-Bounds Read Vulnerability
First published: Wed Oct 06 2021(Updated: )
Lack of boundary checking of a buffer in set_skb_priv() of modem interface driver prior to SMR Oct-2021 Release 1 allows OOB read and it results in arbitrary code execution by dereference of invalid function pointer.
Credit: mobile.security@samsung.com mobile.security@samsung.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Google Android | =8.1 | |
| Google Android | =9.0 | |
| Google Android | =10.0 | |
| Google Android | =11.0 | |
| Samsung Exynos | ||
| Samsung mobile devices | ||
| All of | ||
| Any of | ||
| Google Android | =8.1 | |
| Google Android | =9.0 | |
| Google Android | =10.0 | |
| Google Android | =11.0 | |
| Samsung Exynos |
Remedy
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable
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Reference Links
Frequently Asked Questions
What is CVE-2021-25487?
CVE-2021-25487 refers to an out-of-bounds read vulnerability in Samsung mobile devices.
How does the out-of-bounds read vulnerability in Samsung mobile devices occur?
The vulnerability occurs due to a lack of boundary checking of a buffer in the modem interface driver.
What is the impact of CVE-2021-25487?
The vulnerability can be exploited to execute remote code by dereferencing an invalid function pointer.
Which devices are affected by the out-of-bounds read vulnerability?
Samsung mobile devices are affected by this vulnerability.
How can I stay protected from CVE-2021-25487?
Ensure that you install the security update provided by Samsung.
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