⚠ Actively exploited
Added to CISA KEV on 2023-06-29. Federal agencies required to patch by 2023-07-20. Required action: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

CVE-2021-25487 — Out-of-bounds Read in Mobile Devices

CWE-125 — Out-of-bounds Read5 documents5 sources
Severity
7.8HIGHNVD
CNA7.3VulnCheck7.3
EPSS
2.7%
top 14.14%
CISA KEV
KEV
Added 2023-06-29
Due 2023-07-20
Exploit
Exploited in wild
Active exploitation observed
Affected products
2
Samsung Mobile DevicesSamsung Android
Timeline
PublishedOct 6
KEV addedJun 29
KEV dueJul 20
CISA Required Action: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable

Description

Lack of boundary checking of a buffer in set_skb_priv() of modem interface driver prior to SMR Oct-2021 Release 1 allows OOB read and it results in arbitrary code execution by dereference of invalid function pointer.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages2 packages

▶CVEListV5samsung_mobile/samsung_mobile_devicesO(8.1), P(9.0), Q(10.0), R(11.0) — SMR Oct-2021 Release 1
▶NVDsamsung/android4 versions+3

🔴Vulnerability Details

3
GHSA
GHSA-4fpw-j345-q48r: Lack of boundary checking of a buffer in set_skb_priv() of modem interface driver prior to SMR Oct-2021 Release 1 allows OOB read and it results in ar↗2022-05-24
▶
CVEList
CVE-2021-25487: Lack of boundary checking of a buffer in set_skb_priv() of modem interface driver prior to SMR Oct-2021 Release 1 allows OOB read and it results in ar↗2021-10-06
▶
VulnCheck
Samsung Mobile Devices Out-of-Bounds Read Vulnerability↗2021
▶

📋Vendor Advisories

1
CISA
Samsung Mobile Devices Out-of-Bounds Read Vulnerability↗2023-06-29
▶
CVE-2021-25487 — Out-of-bounds Read in Mobile Devices | cvebase