CVE-2021-1958 : A race condition in fastrpc kernel driver for dynamic process creation can lead

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

Published 2021-09-09 08:15:25

Updated 2022-06-28 14:11:45

Source Qualcomm, Inc.

View at NVD, CVE.org

Vulnerability category: Memory Corruption

Products affected by CVE-2021-1958

Qualcomm » Qca6574au Firmware » Version: N/A
cpe:2.3:o:qualcomm:qca6574au_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Qca6574au » Version: N/A
Qualcomm » Sa6155p Firmware » Version: N/A
cpe:2.3:o:qualcomm:sa6155p_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sa6155p » Version: N/A
Qualcomm » Qca6595au Firmware » Version: N/A
cpe:2.3:o:qualcomm:qca6595au_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Qca6595au » Version: N/A
Qualcomm » Wcd9341 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wcd9341_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wcd9341 » Version: N/A
Qualcomm » Wcn6850 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wcn6850_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wcn6850 » Version: N/A
Qualcomm » Wcn6851 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wcn6851_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wcn6851 » Version: N/A
Qualcomm » Wcn6855 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wcn6855_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wcn6855 » Version: N/A
Qualcomm » Wcn6856 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wcn6856_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wcn6856 » Version: N/A
Qualcomm » Sa8155p Firmware » Version: N/A
cpe:2.3:o:qualcomm:sa8155p_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sa8155p » Version: N/A
Qualcomm » Sa8155 Firmware » Version: N/A
cpe:2.3:o:qualcomm:sa8155_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sa8155 » Version: N/A
Qualcomm » Sda429w Firmware » Version: N/A
cpe:2.3:o:qualcomm:sda429w_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sda429w » Version: N/A
Qualcomm » Sa6145p Firmware » Version: N/A
cpe:2.3:o:qualcomm:sa6145p_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sa6145p » Version: N/A
Qualcomm » Sa6150p Firmware » Version: N/A
cpe:2.3:o:qualcomm:sa6150p_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sa6150p » Version: N/A
Qualcomm » Sa8150p Firmware » Version: N/A
cpe:2.3:o:qualcomm:sa8150p_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sa8150p » Version: N/A
Qualcomm » Sa8195p Firmware » Version: N/A
cpe:2.3:o:qualcomm:sa8195p_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sa8195p » Version: N/A
Qualcomm » Qca6574a Firmware » Version: N/A
cpe:2.3:o:qualcomm:qca6574a_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Qca6574a » Version: N/A
Qualcomm » Qca6595 Firmware » Version: N/A
cpe:2.3:o:qualcomm:qca6595_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Qca6595 » Version: N/A
Qualcomm » Qca6696 Firmware » Version: N/A
cpe:2.3:o:qualcomm:qca6696_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Qca6696 » Version: N/A
Qualcomm » Sd888 5g Firmware » Version: N/A
cpe:2.3:o:qualcomm:sd888_5g_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sd888 5g » Version: N/A
Qualcomm » Wcd9370 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wcd9370_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wcd9370 » Version: N/A
Qualcomm » Wcd9375 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wcd9375_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wcd9375 » Version: N/A
Qualcomm » Wcd9380 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wcd9380_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wcd9380 » Version: N/A
Qualcomm » Wcd9385 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wcd9385_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wcd9385 » Version: N/A
Qualcomm » Wcn3610 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wcn3610_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wcn3610 » Version: N/A
Qualcomm » Wcn3660b Firmware » Version: N/A
cpe:2.3:o:qualcomm:wcn3660b_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wcn3660b » Version: N/A
Qualcomm » Wcn3980 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wcn3980_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wcn3980 » Version: N/A
Qualcomm » Wcn3988 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wcn3988_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wcn3988 » Version: N/A
Qualcomm » Wcn3991 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wcn3991_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wcn3991 » Version: N/A
Qualcomm » Wcn6750 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wcn6750_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wcn6750 » Version: N/A
Qualcomm » Wsa8830 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wsa8830_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wsa8830 » Version: N/A
Qualcomm » Wsa8835 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wsa8835_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wsa8835 » Version: N/A
Qualcomm » Wcn3620 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wcn3620_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wcn3620 » Version: N/A
Qualcomm » Wcn6740 Firmware » Version: N/A
cpe:2.3:o:qualcomm:wcn6740_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Wcn6740 » Version: N/A
Qualcomm » Sd480 Firmware » Version: N/A
cpe:2.3:o:qualcomm:sd480_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sd480 » Version: N/A
Qualcomm » Sa8145p Firmware » Version: N/A
cpe:2.3:o:qualcomm:sa8145p_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sa8145p » Version: N/A
Qualcomm » Sd778g Firmware » Version: N/A
cpe:2.3:o:qualcomm:sd778g_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sd778g » Version: N/A
Qualcomm » Sd780g Firmware » Version: N/A
cpe:2.3:o:qualcomm:sd780g_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sd780g » Version: N/A
Qualcomm » Sm7325 Firmware » Version: N/A
cpe:2.3:o:qualcomm:sm7325_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sm7325 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2021-1958

EPSS FAQ

0.04%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 10 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-1958

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.4	MEDIUM	AV:L/AC:M/Au:N/C:P/I:P/A:P	3.4	6.4	NIST
Access Vector: Local Access Complexity: Medium Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
6.4	MEDIUM	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H	0.5	5.9	NIST
Attack Vector: Local Attack Complexity: High Privileges Required: High User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
6.7	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	0.8	5.9	Qualcomm, Inc.
Attack Vector: Local Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2021-1958

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

The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-1958

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

September 2021 Security Bulletin | Qualcomm
Patch;Vendor Advisory

CVEs referencing this url

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Vulnerability Details : CVE-2021-1958

Products affected by CVE-2021-1958

Exploit prediction scoring system (EPSS) score for CVE-2021-1958

CVSS scores for CVE-2021-1958

CWE ids for CVE-2021-1958

References for CVE-2021-1958