Vulnerability · Published Aug 9, 2022 · Assigned by google_android

CVE-2022-20239

Medium 4.2

In plain English

A medium-severity privilege mismanagement in Android. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).

Severity (CVSS 3.1)4.2Medium

Exploit odds (30 days)0.3%top 77.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

remap_pfn_range' here may map out of size kernel memory (for example, may map the kernel area), and because the 'vma->vm_page_prot' can also be controlled by userspace, so userspace may map the kernel area to be writable, which is easy to be exploitedProduct: AndroidVersions: Android SoCAndroid ID: A-233972091

Affected products (as reported)

Vendor	Product	Versions
n/a	Android	Android SoC

Weakness: CWE-269 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:L

References

https://source.android.com/security/bulletin/2022-08-01 x_refsource_MISC