Use-after-free in Qualcomm Hardware solutions

#VU56340 Use-after-free in Qualcomm Hardware solutions

Published: 2021-09-06

Vulnerability identifier: #VU56340

Vulnerability risk: Low

CVSSv3.1: 6.1 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1963

CWE-ID: CWE-416

Exploitation vector: Local

Exploit availability: No

Vendor: Qualcomm

Description

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

The vulnerability exists due to a use-after-free error caused by the lack of validation for the rule count in filter table in IPA driver in Data Network Stack & Connectivity component. A local user can escalate privileges on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

APQ8009W: All versions

APQ8096AU: All versions

AQT1000: All versions

AR8031: All versions

AR8035: All versions

CSRA6620: All versions

CSRA6640: All versions

FSM10055: All versions

FSM10056: All versions

MDM9150: All versions

MDM9650: All versions

MSM8909W: All versions

MSM8996AU: All versions

QCA6174A: 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

QCA6564A: All versions

QCA6564AU: All versions

QCA6574: All versions

QCA6574A: All versions

QCA6574AU: All versions

QCA6584AU: All versions

QCA6595: All versions

QCA6595AU: All versions

QCA6696: All versions

QCA8337: All versions

QCA9377: All versions

QCM4290: All versions

QCM6125: All versions

QCS405: All versions

QCS410: All versions

QCS4290: All versions

QCS610: All versions

QCS6125: All versions

QRB5165: All versions

QSM8250: All versions

Qualcomm215: All versions

SA6145P: All versions

SA6150P: All versions

SA6155: All versions

SA6155P: All versions

SA8145P: All versions

SA8150P: All versions

SA8155: All versions

SA8155P: All versions

SA8195P: All versions

SD675: All versions

SD8C: All versions

SD8CX: All versions

SD205: All versions

SD210: All versions

SD460: All versions

SD480: All versions

SD662: All versions

SD665: All versions

SD678: All versions

SD6905G: All versions

SD720G: All versions

SD730: All versions

SD750G: All versions

SD765: All versions

SD765G: All versions

SD768G: All versions

SD778G: All versions

SD780G: All versions

SD855: All versions

SD8655G: All versions

SD870: All versions

SD8885G: All versions

SDA429W: All versions

SDX12: All versions

SDX50M: All versions

SDX55: All versions

SDX55M: All versions

SDXR25G: All versions

SM6250: All versions

SM7250: All versions

SM7325: All versions

WCD9335: All versions

WCD9340: All versions

WCD9341: All versions

WCD9370: All versions

WCD9375: All versions

WCD9380: All versions

WCD9385: All versions

WCN3610: All versions

WCN3615: All versions

WCN3620: All versions

WCN3660B: All versions

WCN3950: All versions

WCN3980: All versions

WCN3988: All versions

WCN3990: All versions

WCN3991: All versions

WCN3998: All versions

WCN3999: All versions

WCN6740: All versions

WCN6750: All versions

WCN6850: All versions

WCN6851: All versions

WCN6856: All versions

WSA8810: All versions

WSA8815: All versions

WSA8830: All versions

WSA8835: All versions

External links
http://www.qualcomm.com/company/product-security/bulletins/september-2021-bulletin
http://source.codeaurora.org/quic/la/kernel/msm-4.14/commit/?id=df756eb12f5dacddefffd163f80d902c6a792262
http://source.codeaurora.org/quic/la/kernel/msm-4.9/commit/?id=77d80f4d6092c9319ccf47d5c10c58dc43fbed22
http://source.codeaurora.org/quic/la/kernel/msm-4.14/commit/?id=cd91e17ce72ee9a0c13f35b81143c26054632e85

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.

Latest bulletins with this vulnerability

Multiple vulnerabilities in Qualcomm chipsets