#VU52822 Integer overflow in Qualcomm products - CVE-2021-1895

Vulnerability identifier: #VU52822

Vulnerability risk: Low

CVSSv4.0: 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-2021-1895

CWE-ID: CWE-190

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
APQ8009
APQ8053
MDM9206
QCA9377
PM215
PM8909
PM8916
PM8953
PMD9607
PMI8952
QCA9367
Qualcomm215
SMB1358
SMB1360
SMB231
WCD9326
WCD9330
WCN3615
WCN3660B
WCN3680
WCN3680B
WSA8810
WSA8815
WTR2965

Software vendor:
Qualcomm

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

The vulnerability exists due to integer overflow during system boot when flushing an image. A local user can execute arbitrary code with elevated privileges.

Install updates from vendor's website.

• https://www.qualcomm.com/company/product-security/bulletins/may-2021-bulletin
• https://source.codeaurora.org/quic/le/kernel/lk/commit/?id=6dcf0c38be38b659405a618e2066c7abd218ef21