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Status published
Critical
CVE-2017-18017
The tcpmss_mangle_packet function in net/netfilter/xt_TCPMSS.c in the Linux kernel before...
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://www.debian.org/security/2018/dsa-4187
- https://usn.ubuntu.com/3583-2/
- http://patchwork.ozlabs.org/patch/746618/
- https://access.redhat.com/errata/RHSA-2018:1737
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.36
- https://lkml.org/lkml/2017/4/2/13
- https://access.redhat.com/errata/RHSA-2018:1062
- https://access.redhat.com/errata/RHSA-2018:1319
- https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0
- https://usn.ubuntu.com/3583-1/
- https://access.redhat.com/errata/RHSA-2018:0676
- https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1739765
- https://github.com/torvalds/linux/commit/2638fd0f92d4397884fd991d8f4925cb3f081901
- https://access.redhat.com/errata/RHSA-2018:1170
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2638fd0f92d4397884fd991d8f4925cb3f081901
- https://access.redhat.com/errata/RHSA-2018:1130
- https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
- http://www.securityfocus.com/bid/102367
- http://lists.opensuse.org/opensuse-security-announce/2018-03/msg00067.html
- http://lists.opensuse.org/opensuse-security-announce/2018-03/msg00072.html
- http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00008.html
- http://www.ubuntu.com/usn/USN-3583-1
- https://support.f5.com/csp/article/K18352029
- http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00047.html
- http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00013.html
- http://lists.opensuse.org/opensuse-security-announce/2018-04/msg00014.html
- http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00015.html
- http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00038.html
- http://lists.opensuse.org/opensuse-security-announce/2018-03/msg00070.html
- http://www.ubuntu.com/usn/USN-3583-2
- http://lists.opensuse.org/opensuse-security-announce/2018-03/msg00030.html
- https://www.arista.com/en/support/advisories-notices/security-advisories/4577-security-advisory-34
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Affected Vendor
linux
View all reports →Affected Software
linux kernel, debian linux, eos, arx, caas platform, linux enterprise debuginfo, linux enterprise module for public cloud, linux enterprise point of sale, openstack cloud, leap, linux enterprise desktop, linux enterprise high availability, linux enterprise high availability extension, linux enterprise live patching, linux enterprise real time extension, linux enterprise server, linux enterprise software development kit, linux enterprise workstation extension, cloud magnum orchestration, ubuntu linux, mrg realtime, enterprise linux desktop, enterprise linux eus, enterprise linux for real time, enterprise linux for real time for nfv, enterprise linux server, enterprise linux server aus, enterprise linux server tus, enterprise linux workstation
Vulnerable Versions:
3.2, 3.3, 3.11, 3.17, 3.19, 4.2, 4.5, 4.10, 7.0, 8.0, 4.20.1fx-virtual-router, 6.2.0, 11, 12, 6, 42.3, 7, 12.04, 14.04, 2.0, 6.0, 7.3, 7.4, 7.6, 7.7
Timeline
Official Publish:
January 3rd, 2018
Last Modified:
January 3rd, 2025
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.