CVE-2017-5550

MEDIUM

Linux Kernel < 4.9.4 - Information Disclosure

Title source: rule

Description

Off-by-one error in the pipe_advance function in lib/iov_iter.c in the Linux kernel before 4.9.5 allows local users to obtain sensitive information from uninitialized heap-memory locations in opportunistic circumstances by reading from a pipe after an incorrect buffer-release decision.

References (6)

[Issue Tracking, Patch, Third Party Advisory] http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b9dc6f65bc5e232d1c05fe34b5daadc7e8bbf1fb

[Release Notes, Vendor Advisory] http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.5

[Mailing List, Patch, Third Party Advisory] http://www.openwall.com/lists/oss-security/2017/01/21/3

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/95716

[Issue Tracking, Patch] https://bugzilla.redhat.com/show_bug.cgi?id=1416116

[Issue Tracking, Patch, Third Party Advisory] https://github.com/torvalds/linux/commit/b9dc6f65bc5e232d1c05fe34b5daadc7e8bbf1fb

View Patch ZIP pw:eip

Scores

CVSS v3 5.5

EPSS 0.0008

EPSS Percentile 23.3%

Attack Vector LOCAL

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

Classification

CWE

CWE-200

Status published

Affected Products (2)

linux/linux_kernel < 4.9.4

n/a/n/a

Timeline

Published Feb 06, 2017

Tracked Since Feb 18, 2026