NULL pointer dereference in Qualcomm Hardware solutions

#VU52827 NULL pointer dereference in Qualcomm Hardware solutions

Published: 2021-05-03

Vulnerability identifier: #VU52827

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-11254

CWE-ID: CWE-476

Exploitation vector: Local

Exploit availability: No

Vendor: Qualcomm

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in DSP. A local user can dereference the session ctx pointer and perform a denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

PM6150A: All versions

PM6150L: All versions

PM6350: All versions

PM660: All versions

PM660L: All versions

PM7250B: All versions

PM8008: All versions

PM8009: All versions

PM8350: All versions

PM8350B: All versions

PM8350BH: All versions

PM8350C: All versions

PMK8003: All versions

PMK8350: All versions

PMM6155AU: All versions

PMM8155AU: All versions

PMM8195AU: All versions

PMR735A: All versions

PMR735B: All versions

QAT3516: All versions

QAT3518: All versions

QAT3519: All versions

QAT3555: All versions

QAT5515: All versions

QAT5516: All versions

QAT5522: All versions

QAT5568: All versions

QBT1500: All versions

QCA6574AU: All versions

QCA6696: All versions

QDM3301: All versions

QDM4643: All versions

QDM4650: All versions

QDM5620: All versions

QDM5621: All versions

QDM5670: All versions

QDM5671: All versions

QET5100: All versions

QET5100M: All versions

QET6100: All versions

QET6105: All versions

QET6110: All versions

QFS2530: All versions

QFS2580: All versions

QFS2608: All versions

QFS2630: All versions

QLN4642: All versions

QLN4650: All versions

QLN5020: All versions

QLN5030: All versions

QLN5040: All versions

QPA2625: All versions

QPA5461: All versions

QPA5580: All versions

QPA5581: All versions

QPA8801: All versions

QPA8802: All versions

QPA8803: All versions

QPA8821: All versions

QPA8842: All versions

QPM4621: All versions

QPM4630: All versions

QPM4640: All versions

QPM4641: All versions

QPM4650: All versions

QPM5621: All versions

QPM5641: All versions

QPM5670: All versions

QPM5677: All versions

QPM5679: All versions

QPM5870: All versions

QPM5875: All versions

QPM6585: All versions

QPM6621: All versions

QPM6670: All versions

QPM8820: All versions

QPM8870: All versions

QTC800H: All versions

QTC800S: All versions

QTC801S: All versions

QTM525: All versions

SA6145P: All versions

SA6150P: All versions

SA6155P: All versions

SA8150P: All versions

SA8155P: All versions

SA8195P: All versions

SD480: All versions

SD670: All versions

SD710: All versions

SD888: All versions

SD8885G: All versions

SDR660: All versions

SDR660G: All versions

SDR735: All versions

SDR735G: All versions

SDR865: All versions

SDXR1: All versions

SMB1351: All versions

SMB1355: All versions

SMB1396: All versions

SMB1398: All versions

SMR526: All versions

SMR545: All versions

SMR546: All versions

WCD9326: All versions

WCD9341: All versions

WCD9370: All versions

WCD9375: All versions

WCD9380: All versions

WCD9385: All versions

WCN3980: All versions

WCN3988: All versions

WCN3990: All versions

WCN3991: All versions

WCN6850: All versions

WCN6851: All versions

WCN6855: All versions

WCN6856: All versions

WSA8830: All versions

WSA8835: All versions

External links
http://www.qualcomm.com/company/product-security/bulletins/may-2021-bulletin
http://source.codeaurora.org/quic/la/kernel/msm-5.4/commit/?id=9900d61a478ba8403b0e3bf22cf50b18973bc3c1

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