Vulnerability Details : CVE-2021-25370

An incorrect implementation handling file descriptor in dpu driver prior to SMR Mar-2021 Release 1 results in memory corruption leading to kernel panic.
Published 2021-03-26 19:15:12
Updated 2025-02-14 16:38:53
Source Samsung Mobile
View at NVD,   CVE.org
Vulnerability category: Memory Corruption

Products affected by CVE-2021-25370

CVE-2021-25370 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:
Samsung Mobile Devices Memory Corruption Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
Samsung mobile devices using Mali GPU contain an incorrect implementation handling file descriptor in dpu driver. This incorrect implementation results in memory corruption, leading to kernel panic. This vulnerability was chained with CVE-2021-25337 and CVE-2021-25369.
Notes:
https://security.samsungmobile.com/securityUpdate.smsb; https://nvd.nist.gov/vuln/detail/CVE-2021-25370
Added on 2022-11-08 Action due date 2022-11-29

Exploit prediction scoring system (EPSS) score for CVE-2021-25370

EPSS FAQ
0.79%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 72 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-25370

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.9
 MEDIUM AV:L/AC:L/Au:N/C:N/I:N/A:C
3.9
6.9
 NIST
6.1
 MEDIUM CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
0.2
5.9
 Samsung Mobile
4.4
 MEDIUM CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
0.8
3.6
 NIST

CWE ids for CVE-2021-25370

  • The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
    Assigned by: nvd@nist.gov (Primary)
  • The product writes data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-25370

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