4.6med

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.

Published 4 y ago · modified 4 mo ago · JSON

CVSS
4.6
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 32%
Public exploits
0
none known

Summary

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

Exploit prediction (EPSS)

0.38% probability of exploitation in the next 30 days, higher than 32% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.14.6CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD2.02.1AV:L/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • n/a Android

Classification

Weakness
  • CWE-908 Use of Uninitialized Resource

References

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.