Vulnerability identifier: #VU61998

Vulnerability risk: Low

CVSSv3.1:

CVE-ID: CVE-2021-39802

CWE-ID: CWE-119

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in Scudo memory allocator  in Linux kernel. A local user can trigger memory corruption and execute arbitrary code with elevated privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Linux kernel: All versions

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CPE

• cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:*

External links
http://source.android.com/security/bulletin/2022-04-01#details-05
http://android.googlesource.com/kernel/common/+/ac4488815518c
http://android.googlesource.com/kernel/common/+/b44e46bb047d1
http://android.googlesource.com/kernel/common/+/67d075d23a8bc
http://android.googlesource.com/kernel/common/+/6f9aba5a20b84

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?