Vulnerability Details : CVE-2018-20449
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.
Vulnerability category: Information leak
Products affected by CVE-2018-20449
- cpe:2.3:o:linux:linux_kernel:4.14.90:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:element_software_management_node:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-20449
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-20449
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
2.1
|
LOW | AV:L/AC:L/Au:N/C:P/I:N/A:N |
3.9
|
2.9
|
NIST | |
5.5
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2018-20449
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-20449
-
https://security.netapp.com/advisory/ntap-20190502-0002/
CVE-2018-20449 Linux Kernel Vulnerability in NetApp Products | NetApp Product SecurityThird Party Advisory
-
https://www.mail-archive.com/debian-security-tracker@lists.debian.org/msg03808.html
CVE-2018-20449Mailing List;Third Party Advisory
-
https://elixir.bootlin.com/linux/v4.14.90/source/drivers/dma/qcom/hidma_dbg.c#L92
Linux source code: drivers/dma/qcom/hidma_dbg.c (v4.14.90) - BootlinPatch;Third Party Advisory
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