Vulnerability CVE-2018-20449


Published: 2019-04-04

Description:
The hidma_chan_stats function in drivers/dma/qcom/hidma_dbg.c in the Linux kernel 4.14.90 allows local users to obtain sensitive address information by reading "callback=" lines in a debugfs file.

Type:

CWE-200

(Information Exposure)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.1/10
2.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Netapp -> Element software management node 
Linux -> Linux kernel 

 References:
https://elixir.bootlin.com/linux/v4.14.90/source/drivers/dma/qcom/hidma_dbg.c#L92
https://security.netapp.com/advisory/ntap-20190502-0002/
https://www.mail-archive.com/debian-security-tracker@lists.debian.org/msg03808.html

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