Upstream information

CVE-2017-5550 at MITRE

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.

SUSE information

CVSS v2 Scores
  National Vulnerability Database
Base Score 2.11
Vector AV:L/AC:L/Au:N/C:P/I:N/A:N
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
CVSS v3 Scores
  National Vulnerability Database
Base Score 5.5
Vector AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Access Vector Local
Access Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact None
Availability Impact None

Note from the SUSE Security Team

This issue only affects Linux Kernel 4.9 or newer, no SUSE Linux Enterprise or openSUSE versions are affected.

SUSE Bugzilla entry: 1021257 [RESOLVED / INVALID]

No SUSE Security Announcements cross referenced.