#VU52827 NULL pointer dereference in Qualcomm products - CVE-2020-11254

Vulnerability identifier: #VU52827

Vulnerability risk: Low

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

CVE-ID: CVE-2020-11254

CWE-ID: CWE-476

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
PM6150A
PM6150L
PM6350
PM660
PM660L
PM7250B
PM8008
PM8009
PM8350
PM8350B
PM8350BH
PM8350C
PMK8003
PMK8350
PMM6155AU
PMM8155AU
PMM8195AU
PMR735A
PMR735B
QAT3516
QAT3518
QAT3519
QAT3555
QAT5515
QAT5516
QAT5522
QAT5568
QBT1500
QCA6696
QDM3301
QDM4643
QDM4650
QDM5620
QDM5621
QDM5670
QDM5671
QET5100
QET5100M
QET6100
QET6105
QET6110
QFS2530
QFS2580
QFS2608
QFS2630
QLN4642
QLN4650
QLN5020
QLN5030
QLN5040
QPA2625
QPA5461
QPA5580
QPA5581
QPA8801
QPA8802
QPA8803
QPA8821
QPA8842
QPM4621
QPM4630
QPM4640
QPM4641
QPM4650
QPM5621
QPM5641
QPM5670
QPM5677
QPM5679
QPM5870
QPM5875
QPM6585
QPM6621
QPM6670
QPM8820
QPM8870
QTC800H
QTC800S
QTC801S
QTM525
SA6145P
SA6150P
SA8150P
SA8155P
SA8195P
SD480
SD8885G
SDR660
SDR660G
SDR735
SDR735G
SDR865
SDXR1
SMB1351
SMB1355
SMB1396
SMB1398
SMR526
SMR545
SMR546
WCD9326
WCD9341
WCD9370
WCD9375
WCD9380
WCD9385
WCN3980
WCN3988
WCN3990
WCN3991
WCN6850
WCN6851
WCN6855
WCN6856
WSA8830
WSA8835
QCA6574AU
SA6155P
SD670
SD710
SD888

Software vendor:
Qualcomm

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.

Install updates from vendor's website.

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