#VU67078 Time-of-check Time-of-use (TOCTOU) Race Condition in Qualcomm products - CVE-2022-22093

Vulnerability identifier: #VU67078

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-22093

CWE-ID: CWE-367

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
AQT1000
Mobile applications / Mobile firmware & hardware
QCA6390
Mobile applications / Mobile firmware & hardware
QCA6391
Mobile applications / Mobile firmware & hardware
QCA6420
Mobile applications / Mobile firmware & hardware
QCA6421
Mobile applications / Mobile firmware & hardware
QCA6426
Mobile applications / Mobile firmware & hardware
QCA6430
Mobile applications / Mobile firmware & hardware
QCA6431
Mobile applications / Mobile firmware & hardware
QCA6436
Mobile applications / Mobile firmware & hardware
QCM6490
Mobile applications / Mobile firmware & hardware
QCS6490
Mobile applications / Mobile firmware & hardware
QRB5165
Mobile applications / Mobile firmware & hardware
QRB5165M
Mobile applications / Mobile firmware & hardware
QRB5165N
Mobile applications / Mobile firmware & hardware
QSM8350
Mobile applications / Mobile firmware & hardware
SD 8 Gen1 5G
Mobile applications / Mobile firmware & hardware
SD 8CX
Mobile applications / Mobile firmware & hardware
SD 8cx Gen2
Mobile applications / Mobile firmware & hardware
SD765
Mobile applications / Mobile firmware & hardware
SD765G
Mobile applications / Mobile firmware & hardware
SD768G
Mobile applications / Mobile firmware & hardware
SD778G
Mobile applications / Mobile firmware & hardware
SD780G
Mobile applications / Mobile firmware & hardware
SD865 5G
Mobile applications / Mobile firmware & hardware
SD870
Mobile applications / Mobile firmware & hardware
SD888 5G
Mobile applications / Mobile firmware & hardware
SDX55M
Mobile applications / Mobile firmware & hardware
SDXR2 5G
Mobile applications / Mobile firmware & hardware
SM7250P
Mobile applications / Mobile firmware & hardware
SM7315
Mobile applications / Mobile firmware & hardware
SM7325P
Mobile applications / Mobile firmware & hardware
WCD9340
Mobile applications / Mobile firmware & hardware
WCD9341
Mobile applications / Mobile firmware & hardware
WCD9370
Mobile applications / Mobile firmware & hardware
WCD9375
Mobile applications / Mobile firmware & hardware
WCD9380
Mobile applications / Mobile firmware & hardware
WCD9385
Mobile applications / Mobile firmware & hardware
WCN3991
Mobile applications / Mobile firmware & hardware
WCN3998
Mobile applications / Mobile firmware & hardware
WCN6740
Mobile applications / Mobile firmware & hardware
WCN6750
Mobile applications / Mobile firmware & hardware
WCN6850
Mobile applications / Mobile firmware & hardware
WCN6851
Mobile applications / Mobile firmware & hardware
WCN6855
Mobile applications / Mobile firmware & hardware
WCN6856
Mobile applications / Mobile firmware & hardware
WCN7850
Mobile applications / Mobile firmware & hardware
WCN7851
Mobile applications / Mobile firmware & hardware
WSA8810
Mobile applications / Mobile firmware & hardware
WSA8815
Mobile applications / Mobile firmware & hardware
WSA8830
Mobile applications / Mobile firmware & hardware
WSA8835
Mobile applications / Mobile firmware & hardware
SD888
Hardware solutions / Firmware
SM7450
Hardware solutions / Firmware
SM8475
Hardware solutions / Firmware
SM8475P
Hardware solutions / Firmware
WSA8832
Hardware solutions / Firmware

Vendor: Qualcomm

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a race condition when handling concurrent hypervisor operations to attach or detach IRQs from virtual interrupt sources. A local application can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

AQT1000: All versions

QCA6390: All versions

QCA6391: All versions

QCA6420: All versions

QCA6421: All versions

QCA6426: All versions

QCA6430: All versions

QCA6431: All versions

QCA6436: All versions

QCM6490: All versions

QCS6490: All versions

QRB5165: All versions

QRB5165M: All versions

QRB5165N: All versions

QSM8350: All versions

SD 8 Gen1 5G: All versions

SD 8CX: All versions

SD 8cx Gen2: All versions

SD765: All versions

SD765G: All versions

SD768G: All versions

SD778G: All versions

SD780G: All versions

SD865 5G: All versions

SD870: All versions

SD888: All versions

SD888 5G: All versions

SDX55M: All versions

SDXR2 5G: All versions

SM7250P: All versions

SM7315: All versions

SM7325P: All versions

SM7450: All versions

SM8475: All versions

SM8475P: All versions

WCD9340: All versions

WCD9341: All versions

WCD9370: All versions

WCD9375: All versions

WCD9380: All versions

WCD9385: All versions

WCN3991: All versions

WCN3998: All versions

WCN6740: All versions

WCN6750: All versions

WCN6850: All versions

WCN6851: All versions

WCN6855: All versions

WCN6856: All versions

WCN7850: All versions

WCN7851: All versions

WSA8810: All versions

WSA8815: All versions

WSA8830: All versions

WSA8832: All versions

WSA8835: All versions

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External links
https://docs.qualcomm.com/product/publicresources/securitybulletin/september-2022-bulletin.html

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.