Vulnerability CVE-2018-20788


Published: 2019-02-24   Modified: 2019-02-25

Description:
drivers/leds/leds-aw2023.c in the led driver for custom Linux kernels on the Xiaomi Redmi 6pro daisy-o-oss phone has several integer overflows because of a left-shifting operation when the right-hand operand can be equal to or greater than the integer length. This can be exploited by a crafted application for denial of service.

Type:

CWE-190

(Integer Overflow or Wraparound)

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Micode -> Xiaomi perseus-p-oss 

 References:
https://github.com/MiCode/Xiaomi_Kernel_OpenSource/issues/973

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