CVE-2018-20449 — MEDIUM (5.5)

Vulnerability 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.

CVSS Score

5.5

MEDIUM

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Linux	Linux Kernel	4.14.90
Netapp	Element Software Management Node	-

Related Weaknesses (CWE)

CWE-200

References

https://elixir.bootlin.com/linux/v4.14.90/source/drivers/dma/qcom/hidma_dbg.c#L9PatchThird Party Advisory
https://security.netapp.com/advisory/ntap-20190502-0002/Third Party Advisory
https://www.mail-archive.com/debian-security-tracker%40lists.debian.org/msg03808
https://elixir.bootlin.com/linux/v4.14.90/source/drivers/dma/qcom/hidma_dbg.c#L9PatchThird Party Advisory
https://security.netapp.com/advisory/ntap-20190502-0002/Third Party Advisory
https://www.mail-archive.com/debian-security-tracker%40lists.debian.org/msg03808

FAQ

What is CVE-2018-20449?

CVE-2018-20449 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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.

How severe is CVE-2018-20449?

CVE-2018-20449 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-20449?

Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Netapp Element Software Management Node.