What is CVE-2018-20509?

CVE-2018-20509 is a medium-severity vulnerability in Linux Kernel, classified under Information Disclosure. CVSS score: 5.5/10. Published 2019-04-30.

How severe is CVE-2018-20509?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Information disclosure in Linux Kernel

CVE-2018-20509

The print_binder_ref_olocked function in drivers/android/binder.c in the Linux kernel 4.14.90 allows local users to obtain sensitive address information by reading " ref *desc *node" lines in a debugfs file.

Vulnerability class: Information Disclosure

EPSS: 0.004 (29.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Linux Linux_kernel — versions 4.14.90
N/a — versions n/a

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)
cve@mitre.org (mailing-list, x_refsource_MLIST)
cve@mitre.org (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2018-20509?: CVE-2018-20509 is a medium-severity vulnerability in Linux Kernel, classified under Information Disclosure. CVSS score: 5.5/10. Published 2019-04-30.
How severe is CVE-2018-20509?: Medium severity. CVSS v3 base score is 5.5 out of 10.