CVE-2017-17712 Information

Description

The raw_sendmsg() function in net/ipv4/raw.c in the Linux kernel through 4.14.6 has a race condition in inet-hdrincl that leads to uninitialized stack pointer usage; this allows a local user to execute code and gain privileges.

CVSS Vector

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

Reference

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8f659a03a0ba9289b9aeb9b4470e6fb263d6f483 https://access.redhat.com/errata/RHSA-2018:0502 https://github.com/torvalds/linux/commit/8f659a03a0ba9289b9aeb9b4470e6fb263d6f483 https://source.android.com/security/bulletin/pixel/2018-04-01 https://usn.ubuntu.com/3581-1/ https://usn.ubuntu.com/3581-2/ https://usn.ubuntu.com/3581-3/ https://usn.ubuntu.com/3582-1/ https://usn.ubuntu.com/3582-2/ https://www.debian.org/security/2017/dsa-4073

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.0