CVE-2017-18017

CRITICALImmediate

Published:Jan 3, 2018(8 years ago)

Modified:Jan 3, 2025

Remote ExploitNo Auth RequiredNo InteractionLow Complexity

Vulnerability Description

The tcpmss_mangle_packet function in net/netfilter/xt_TCPMSS.c in the Linux kernel before 4.11, and 4.9.x before 4.9.36, allows remote attackers to cause a denial of service (use-after-free and memory corruption) or possibly have unspecified other impact by leveraging the presence of xt_TCPMSS in an iptables action.

Attack Characteristics

Network AccessLow ComplexityNo Auth NeededNo User Interaction

🤖

AI analysis not yet available

Plain-English explanation, risk summary, and remediation steps will appear here once AI analysis is complete.

No Fix Known

No patch has been released yet. Apply workarounds or mitigations where available.

Affected Software

Vendor	Product	Versions	Fixed In
linux	linux_kernel	3.2 - 3.2.99	-
linux	linux_kernel	3.3 - 3.10.108	-
linux	linux_kernel	3.11 - 3.16.54

Timeline

Published
CVE disclosed publicly
Jan 3, 20188 years ago
Last Modified
Most recent update
Jan 3, 20251 year ago
Indexed to CVEInsight
Added to this platform
Mar 29, 20261 month ago

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/...Patch
http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00008....Mailing List
http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00013....Mailing List

CVSS Score

v3.1

9.8/ 10.0

CRITICAL

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

At a Glance

Affected Products

References

linux / linux_kernel

http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00015....Mailing List

http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00038....Mailing List

http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00047....Mailing List

http://lists.opensuse.org/opensuse-security-announce/2018-03/msg00030....Mailing List

http://lists.opensuse.org/opensuse-security-announce/2018-03/msg00067....Mailing List

http://lists.opensuse.org/opensuse-security-announce/2018-03/msg00070....Mailing List

http://lists.opensuse.org/opensuse-security-announce/2018-03/msg00072....Mailing List

http://lists.opensuse.org/opensuse-security-announce/2018-04/msg00014....Mailing List

http://patchwork.ozlabs.org/patch/746618/Patch

http://www.securityfocus.com/bid/102367Broken Link

http://www.ubuntu.com/usn/USN-3583-1Third Party Advisory

http://www.ubuntu.com/usn/USN-3583-2Third Party Advisory

https://access.redhat.com/errata/RHSA-2018:0676Third Party Advisory

https://access.redhat.com/errata/RHSA-2018:1062Third Party Advisory

https://access.redhat.com/errata/RHSA-2018:1130Third Party Advisory

https://access.redhat.com/errata/RHSA-2018:1170Third Party Advisory

https://access.redhat.com/errata/RHSA-2018:1319Third Party Advisory

https://access.redhat.com/errata/RHSA-2018:1737Third Party Advisory

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1739765Issue Tracking

https://github.com/torvalds/linux/commit/2638fd0f92d4397884fd991d8f492...Patch

https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+...Third Party Advisory

https://lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlMailing List

https://lkml.org/lkml/2017/4/2/13Third Party Advisory

https://support.f5.com/csp/article/K18352029Third Party Advisory

https://usn.ubuntu.com/3583-1/Third Party Advisory

https://usn.ubuntu.com/3583-2/Third Party Advisory

https://www.arista.com/en/support/advisories-notices/security-advisori...Mitigation

https://www.debian.org/security/2018/dsa-4187Third Party Advisory

https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.36Release Notes

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/...Patch

http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00008....Mailing List

http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00013....Mailing List