CVE-2021-1958

Home/CVE/A race condition in fastrpc kernel driver for dynamic process creation can lead to use after free scenario in Snapdragon

CVE

A race condition in fastrpc kernel driver for dynamic process creation can lead to use after free scenario in Snapdragon

A race condition in fastrpc kernel driver for dynamic process creation can lead to use after free scenario in Snapdragon Auto, Snapdragon Connectivity, Snapdragon Mobile, Snapdragon Wearables.

MEDIUM · CVSS 6.7 EPSS 0.00037

Monitor

No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence

Sigma rules0 YARA rules0

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Weakness Classification

CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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Affected Products & Versions

qualcomm qca6574a firmwareall versions
qualcomm qca6574au firmwareall versions
qualcomm qca6595 firmwareall versions
qualcomm qca6595au firmwareall versions
qualcomm qca6696 firmwareall versions
qualcomm sa6145p firmwareall versions
qualcomm sa6150p firmwareall versions
qualcomm sa6155p firmwareall versions
Show all 38 affected productsqualcomm sa8145p firmwareall versions
qualcomm sa8150p firmwareall versions
qualcomm sa8155 firmwareall versions
qualcomm sa8155p firmwareall versions
qualcomm sa8195p firmwareall versions
qualcomm sd480 firmwareall versions
qualcomm sd778g firmwareall versions
qualcomm sd780g firmwareall versions
qualcomm sd888 5g firmwareall versions
qualcomm sda429w firmwareall versions
qualcomm sm7325 firmwareall versions
qualcomm wcd9341 firmwareall versions
qualcomm wcd9370 firmwareall versions
qualcomm wcd9375 firmwareall versions
qualcomm wcd9380 firmwareall versions
qualcomm wcd9385 firmwareall versions
qualcomm wcn3610 firmwareall versions
qualcomm wcn3620 firmwareall versions
qualcomm wcn3660b firmwareall versions
qualcomm wcn3980 firmwareall versions
qualcomm wcn3988 firmwareall versions
qualcomm wcn3991 firmwareall versions
qualcomm wcn6740 firmwareall versions
qualcomm wcn6750 firmwareall versions
qualcomm wcn6850 firmwareall versions
qualcomm wcn6851 firmwareall versions
qualcomm wcn6855 firmwareall versions
qualcomm wcn6856 firmwareall versions
qualcomm wsa8830 firmwareall versions
qualcomm wsa8835 firmwareall versions

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Scoring & Timeline

6.7

MEDIUM · CVSS v3.1 · product-security@qualcomm.com

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD09 Sep 2021 · 08:15 AM

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

https://www.qualcomm.com/company/product-security/bulletins/september-2021-bulletinPatchVendor Advisory

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