CVE-2017-9242

The __ip6_append_data function in net/ipv6/ip6_output.c in the Linux kernel through 4.11.3 is too late in checking whether an overwrite of an skb data structure may occur, which allows local users to cause a denial of service (system crash) via crafted system calls.

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://patchwork.ozlabs.org/patch/764880/	Broken Link
https://github.com/torvalds/linux/commit/232cd35d0804cc241eb887bb8d4d9b3b9881c64a	Issue Tracking Patch Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=232cd35d0804cc241eb887bb8d4d9b3b9881c64a	Issue Tracking Patch Third Party Advisory
http://www.securityfocus.com/bid/98731	Third Party Advisory VDB Entry
http://www.debian.org/security/2017/dsa-3886
https://access.redhat.com/errata/RHSA-2017:2077
https://access.redhat.com/errata/RHSA-2017:1842

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Configurations

Configuration 1 (hide)

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

Information

Published : 2017-05-26 18:29

Updated : 2018-01-04 18:31

NVD link : CVE-2017-9242

Mitre link : CVE-2017-9242

JSON object : View

CWE

CWE-20

Improper Input Validation

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Products Affected

linux

linux_kernel

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