CWE
754
Advisory Published
Updated

CVE-2021-25481

First published: Wed Oct 06 2021(Updated: )

An improper error handling in Exynos CP booting driver prior to SMR Oct-2021 Release 1 allows local attackers to bypass a Secure Memory Protector of Exynos CP Memory.

Credit: mobile.security@samsung.com

Affected SoftwareAffected VersionHow to fix
Google Android=8.1
Google Android=9.0
Google Android=10.0
Google Android=11.0
Samsung Exynos

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Frequently Asked Questions

  • What is CVE-2021-25481?

    CVE-2021-25481 refers to an improper error handling vulnerability in the Exynos CP booting driver.

  • What is the severity of CVE-2021-25481?

    The severity of CVE-2021-25481 is medium with a CVSS score of 6.7.

  • Which software is affected by CVE-2021-25481?

    Google Android versions 8.1, 9.0, 10.0, and 11.0 are affected by CVE-2021-25481.

  • How can local attackers exploit CVE-2021-25481?

    Local attackers can exploit CVE-2021-25481 to bypass the Secure Memory Protector of Exynos CP Memory.

  • Is Samsung Exynos vulnerable to CVE-2021-25481?

    No, Samsung Exynos is not vulnerable to CVE-2021-25481.

  • How can I fix CVE-2021-25481?

    To fix CVE-2021-25481, users should apply the SMR Oct-2021 Release 1 security update provided by Samsung or the respective device manufacturer.

  • Where can I find more information about CVE-2021-25481?

    More information about CVE-2021-25481 can be found at the Samsung Mobile Security website: [link](https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10)

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