CVE-2021-25477 — Double Free in Mobile Devices

CWE-415 — Double Free5 documents5 sources

Severity

4.9MEDIUMNVD

CNA4.4

EPSS

0.2%

top 58.00%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Samsung Mobile Devices Google Android

Timeline

PublishedOct 6

Latest updateMay 24

Description

An improper error handling in Mediatek RRC Protocol stack prior to SMR Oct-2021 Release 1 allows modem crash and remote denial of service.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:HExploitability: 1.2 | Impact: 3.6

Affected Packages2 packages

▶CVEListV5samsung_mobile/samsung_mobile_devicesP(9.0), Q(10.0), R(11.0) — SMR Oct-2021 Release 1

▶NVDgoogle/android10.0, 11.0, 9.0+2

🔴Vulnerability Details

GHSA

GHSA-r436-49p3-g4hr: An improper error handling in Mediatek RRC Protocol stack prior to SMR Oct-2021 Release 1 allows modem crash and remote denial of service↗2022-05-24

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OSV

CVE-2021-25477: In Modem LTE RRC, there is a possible memory corruption due to a double free↗2022-04-01

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CVEList

CVE-2021-25477: An improper error handling in Mediatek RRC Protocol stack prior to SMR Oct-2021 Release 1 allows modem crash and remote denial of service↗2021-10-06

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📋Vendor Advisories

Android

CVE-2021-25477: Modem LTE RRC↗2022-04-01

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