CVE-2018-20509

unknown

Published — · Modified —

CVSS v3

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CVSS v2

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VIR risk

—

Description

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.

Predictions

Exploit likelihood

20%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2018-20509

OS impact

OS	Version	Status	Fixed in
debian	bookworm	fixed	`4.14.2-1`
debian	bullseye	fixed	`4.14.2-1`
debian	forky	fixed	`4.14.2-1`
debian	sid	fixed	`4.14.2-1`
debian	trixie	fixed	`4.14.2-1`

References

https://security-tracker.debian.org/tracker/CVE-2018-20509

Verify integrity in audit chain (admin only). AS-IS.