CVE-2017-5550

medium

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

Advisories
More

https://github.com/torvalds/linux/commit/b9dc6f65bc5e232d1c05fe34b5daadc7e8bbf1fb

http://www.securityfocus.com/bid/95716

http://www.openwall.com/lists/oss-security/2017/01/21/3

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b9dc6f65bc5e232d1c05fe34b5daadc7e8bbf1fb

https://bugzilla.redhat.com/show_bug.cgi?id=1416116

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.5

Details

Source: Mitre, NVD

Published: 2017-02-06

Updated: 2025-04-20

Risk Information

CVSS v2

Base Score: 2.1

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N

Severity: Low

CVSS v3

Base Score: 5.5

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

Severity: Medium

EPSS

EPSS: 0.0008