CVE-2021-25371 on CISA KEV

A vulnerability in DSP driver prior to SMR Mar-2021 Release 1 allows attackers load arbitrary ELF libraries inside DSP.

01What CISA says about this vulnerability

A vulnerability in DSP driver prior to SMR Mar-2021 Release 1 allows attackers load arbitrary ELF libraries inside DSP.

02Required action — verbatim from CISA

Apply updates per vendor instructions or discontinue use of the product if updates are unavailable

03Notes & references

• security.samsungmobile.com — https://security.samsungmobile.com/securityUpdate.smsb
• security.samsungmobile.com — https://security.samsungmobile.com

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

Vendor	Product	Versions
Samsung Mobile	Samsung Mobile Devices	Q(10.0), R(11.0) devices with exynos980, exynos2100, exynos9830

06Detection

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection:

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