CVE-2022-20008

In mmc_blk_read_single of block.c, there is a possible way to read kernel heap memory due to uninitialized data. This could lead to local information disclosure if reading from an SD card that triggers errors, with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-216481035References: Upstream kernel

• CVE ID
• CVE-2022-20008

• Assigner
• security@android.com

• Vulnerability Status
• Analyzed

• Published Version
• 2022-05-10T20:15:09

• Last Modified Date
• 2022-05-16T16:04:29

• Version
• 2.0

• Vector String
• AV:L/AC:L/Au:N/C:P/I:N/A:N

• Access Vector
• LOCAL

• Access Compatibility
• LOW

• Authentication
• NONE

• Confidentiality Impact
• PARTIAL

• Integrity Impact
• NONE

• Availability Impact
• NONE

• Base Score
• 2.1

• Severity
• LOW

• Exploitability Score
• 3.9

• Impact Score
• 2.9

• Version
• 3.1

• Vector String
• CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

• Attack Vector
• PHYSICAL

• Attack Compatibility
• LOW

• Privileges Required
• NONE

• User Interaction
• NONE

• Scope
• UNCHANGED

• Confidentiality Impact
• HIGH

• Availability Impact
• NONE

• Base Score
• 4.6

• Base Severity
• MEDIUM

• Exploitability Score
• 0.9

• Impact Score
• 3.6