CVE-2017-15299

The KEYS subsystem in the Linux kernel through 4.13.7 mishandles use of add_key for a key that already exists but is uninstantiated, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted system call.

CVSS v3.0 5.5 MEDIUM
CVSS v2.0 4.9 MEDIUM

5.5^/10

CVSS v3.0 : MEDIUM

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

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.9^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.9 / Impact : 6.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1499828.html	Exploit Issue Tracking Mailing List Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1498016	Issue Tracking Third Party Advisory
https://marc.info/?t=150783958600011&r=1&w=2	Issue Tracking Patch Third Party Advisory
https://marc.info/?t=150654188100001&r=1&w=2	Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html
https://access.redhat.com/errata/RHSA-2018:0654
https://usn.ubuntu.com/3798-2/
https://usn.ubuntu.com/3798-1/

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Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Information

Published : 2017-10-14 16:29

Updated : 2018-10-30 03:29

NVD link : CVE-2017-15299

Mitre link : CVE-2017-15299

JSON object : View

CWE

CWE-476

NULL Pointer Dereference

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Products Affected

linux

linux_kernel

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