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ubuntucveUbuntu.comUB:CVE-2017-17712
HistoryDec 15, 2017 - 12:00 a.m.

CVE-2017-17712

2017-12-1500:00:00
ubuntu.com
ubuntu.com
16

7 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

6.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:C/I:C/A:C

0.0004 Low

EPSS

Percentile

5.3%

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.

Notes

Author Note
seth-arnold I haven’t tested the exploit; β€˜high’ may or may not be appropriate for our kernels. Please feel free to re-adjust.
OSVersionArchitecturePackageVersionFilename
ubuntu17.10noarchlinux<Β 4.13.0-36.40UNKNOWN
ubuntu16.04noarchlinux<Β 4.4.0-116.140UNKNOWN
ubuntu14.04noarchlinux-aws<Β 4.4.0-1014.14UNKNOWN
ubuntu16.04noarchlinux-aws<Β 4.4.0-1052.61UNKNOWN
ubuntu16.04noarchlinux-azure<Β 4.13.0-1011.14UNKNOWN
ubuntu16.04noarchlinux-euclid<Β 4.4.0-9025.27UNKNOWN
ubuntu16.04noarchlinux-gcp<Β 4.13.0-1011.15UNKNOWN
ubuntu16.04noarchlinux-hwe<Β 4.13.0-36.40~16.04.1UNKNOWN
ubuntu18.04noarchlinux-hwe-edge<Β 4.18.0-8.9~18.04.1UNKNOWN
ubuntu16.04noarchlinux-hwe-edge<Β 4.13.0-36.40~16.04.1UNKNOWN
Rows per page:
1-10 of 171

7 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

6.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:C/I:C/A:C

0.0004 Low

EPSS

Percentile

5.3%