Critical severity9.8NVD Advisory· Published Jan 3, 2018· Updated Jun 17, 2026
CVE-2017-18017
CVE-2017-18017
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
108- osv-coords107 versionspkg:rpm/suse/cluster-network&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2011%20SP4pkg:rpm/suse/cluster-network&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2011%20SP4pkg:rpm/suse/drbd&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2011%20SP4pkg:rpm/suse/drbd-kmp&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2011%20SP4pkg:rpm/suse/drbd-kmp&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2011%20SP4pkg:rpm/suse/gfs2&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2011%20SP4pkg:rpm/suse/gfs2&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2011%20SP4pkg:rpm/suse/kernel-bigmem&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/kernel-bigmem&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/kernel-bigsmp&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20OpenStack%20Cloud%206pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3pkg:rpm/suse/kernel-ec2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2012pkg:rpm/suse/kernel-ec2&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/kernel-ec2&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/kernel-ec2&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/kernel-ec2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3pkg:rpm/suse/kernel-pae&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/kernel-pae&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/kernel-pae&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/kernel-pae&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/kernel-ppc64&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/kernel-ppc64&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP2pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP3pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2011%20SP4pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP2pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP3pkg:rpm/suse/kernel-rt_trace&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2011%20SP4pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/kernel-source&distro=SUSE%20OpenStack%20Cloud%206pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2011%20SP4pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP2pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP3pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/kernel-syms&distro=SUSE%20OpenStack%20Cloud%206pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2011%20SP4pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP2pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP3pkg:rpm/suse/kernel-trace&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/kernel-trace&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/kernel-trace&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/kernel-trace&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/kernel-xen&distro=SUSE%20OpenStack%20Cloud%206pkg:rpm/suse/kgraft-patch-SLE12-SP1_Update_26&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/kgraft-patch-SLE12-SP1_Update_26&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/kgraft-patch-SLE12-SP1_Update_26&distro=SUSE%20OpenStack%20Cloud%206pkg:rpm/suse/kgraft-patch-SLE12-SP2_Update_18&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012pkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_8&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP3pkg:rpm/suse/kgraft-patch-SLE12_Update_33&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/ocfs2&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2011%20SP4pkg:rpm/suse/ocfs2&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2011%20SP4
< 1.4-2.32.4.6+ 106 more
- (no CPE)range: < 1.4-2.32.4.6
- (no CPE)range: < 1.4-2.32.4.6
- (no CPE)range: < 8.4.4-0.27.4.2
- (no CPE)range: < 8.4.4-0.27.4.6
- (no CPE)range: < 8.4.4-0.27.4.6
- (no CPE)range: < 2-0.24.4.6
- (no CPE)range: < 2-0.24.4.6
- (no CPE)range: < 3.0.101-108.35.1
- (no CPE)range: < 3.0.101-108.35.1
- (no CPE)range: < 3.0.101-0.47.106.19.1
- (no CPE)range: < 4.4.114-92.64.1
- (no CPE)range: < 4.4.114-94.11.3
- (no CPE)range: < 4.4.114-92.64.1
- (no CPE)range: < 4.4.114-94.11.3
- (no CPE)range: < 3.0.101-0.47.106.19.1
- (no CPE)range: < 3.0.101-0.47.106.19.1
- (no CPE)range: < 3.0.101-108.35.1
- (no CPE)range: < 3.12.74-60.64.85.1
- (no CPE)range: < 4.4.114-92.64.1
- (no CPE)range: < 4.4.114-94.11.3
- (no CPE)range: < 3.12.61-52.125.1
- (no CPE)range: < 4.4.114-92.64.1
- (no CPE)range: < 3.0.101-108.35.1
- (no CPE)range: < 3.12.74-60.64.85.1
- (no CPE)range: < 4.4.114-92.64.1
- (no CPE)range: < 4.4.114-94.11.3
- (no CPE)range: < 4.4.114-92.64.1
- (no CPE)range: < 4.4.114-94.11.3
- (no CPE)range: < 3.12.74-60.64.85.1
- (no CPE)range: < 3.0.101-108.35.1
- (no CPE)range: < 4.4.114-92.64.2
- (no CPE)range: < 4.4.114-94.11.4
- (no CPE)range: < 3.12.61-52.125.1
- (no CPE)range: < 3.0.101-0.47.106.19.1
- (no CPE)range: < 3.0.101-0.47.106.19.1
- (no CPE)range: < 3.0.101-108.35.1
- (no CPE)range: < 3.0.101-108.35.1
- (no CPE)range: < 4.4.114-92.64.1
- (no CPE)range: < 4.4.114-94.11.3
- (no CPE)range: < 3.0.101-0.47.106.19.1
- (no CPE)range: < 3.0.101-0.47.106.19.1
- (no CPE)range: < 3.0.101-108.35.1
- (no CPE)range: < 3.0.101-108.35.1
- (no CPE)range: < 3.0.101-108.35.1
- (no CPE)range: < 3.0.101-108.35.1
- (no CPE)range: < 4.4.114-27.1
- (no CPE)range: < 4.4.120-3.8.1
- (no CPE)range: < 3.0.101.rt130-69.21.1
- (no CPE)range: < 4.4.114-27.1
- (no CPE)range: < 4.4.120-3.8.1
- (no CPE)range: < 3.0.101.rt130-69.21.1
- (no CPE)range: < 4.4.114-92.64.1
- (no CPE)range: < 4.4.114-94.11.2
- (no CPE)range: < 3.0.101-0.47.106.19.1
- (no CPE)range: < 3.0.101-0.47.106.19.1
- (no CPE)range: < 3.0.101-108.35.1
- (no CPE)range: < 3.12.74-60.64.85.1
- (no CPE)range: < 4.4.114-92.64.1
- (no CPE)range: < 4.4.114-94.11.2
- (no CPE)range: < 3.12.61-52.125.1
- (no CPE)range: < 4.4.114-92.64.1
- (no CPE)range: < 3.0.101-108.35.1
- (no CPE)range: < 3.12.74-60.64.85.1
- (no CPE)range: < 4.4.114-92.64.1
- (no CPE)range: < 4.4.114-94.11.2
- (no CPE)range: < 3.12.74-60.64.85.1
- (no CPE)range: < 3.0.101.rt130-69.21.1
- (no CPE)range: < 4.4.114-27.1
- (no CPE)range: < 4.4.120-3.8.1
- (no CPE)range: < 4.4.114-92.64.1
- (no CPE)range: < 4.4.114-94.11.2
- (no CPE)range: < 3.0.101-0.47.106.19.1
- (no CPE)range: < 3.0.101-0.47.106.19.1
- (no CPE)range: < 3.0.101-108.35.1
- (no CPE)range: < 3.12.74-60.64.85.1
- (no CPE)range: < 4.4.114-92.64.1
- (no CPE)range: < 4.4.114-94.11.2
- (no CPE)range: < 3.12.61-52.125.1
- (no CPE)range: < 4.4.114-92.64.1
- (no CPE)range: < 3.0.101-108.35.1
- (no CPE)range: < 3.12.74-60.64.85.1
- (no CPE)range: < 4.4.114-92.64.1
- (no CPE)range: < 4.4.114-94.11.2
- (no CPE)range: < 3.12.74-60.64.85.1
- (no CPE)range: < 3.0.101.rt130-69.21.1
- (no CPE)range: < 4.4.114-27.1
- (no CPE)range: < 4.4.120-3.8.1
- (no CPE)range: < 3.0.101-0.47.106.19.1
- (no CPE)range: < 3.0.101-0.47.106.19.1
- (no CPE)range: < 3.0.101-108.35.1
- (no CPE)range: < 3.0.101-108.35.1
- (no CPE)range: < 3.0.101-0.47.106.19.1
- (no CPE)range: < 3.0.101-0.47.106.19.1
- (no CPE)range: < 3.0.101-108.35.1
- (no CPE)range: < 3.12.74-60.64.85.1
- (no CPE)range: < 3.12.61-52.125.1
- (no CPE)range: < 3.0.101-108.35.1
- (no CPE)range: < 3.12.74-60.64.85.1
- (no CPE)range: < 3.12.74-60.64.85.1
- (no CPE)range: < 1-2.3.1
- (no CPE)range: < 1-2.3.1
- (no CPE)range: < 1-2.3.1
- (no CPE)range: < 1-3.3.2
- (no CPE)range: < 1-4.3.5
- (no CPE)range: < 1-1.3.1
- (no CPE)range: < 1.6-0.28.5.6
- (no CPE)range: < 1.6-0.28.5.6
Patches
Vulnerability mechanics
References
33- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdPatchThird Party Advisory
- patchwork.ozlabs.org/patch/746618/nvdPatchThird Party Advisory
- github.com/torvalds/linux/commit/2638fd0f92d4397884fd991d8f4925cb3f081901nvdPatchThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2018-02/msg00008.htmlnvdMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2018-02/msg00013.htmlnvdMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2018-02/msg00015.htmlnvdMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2018-02/msg00038.htmlnvdMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2018-02/msg00047.htmlnvdMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2018-03/msg00030.htmlnvdMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2018-03/msg00067.htmlnvdMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2018-03/msg00070.htmlnvdMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2018-03/msg00072.htmlnvdMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2018-04/msg00014.htmlnvdMailing ListThird Party Advisory
- www.securityfocus.com/bid/102367nvdBroken LinkThird Party AdvisoryVDB Entry
- www.ubuntu.com/usn/USN-3583-1nvdThird Party Advisory
- www.ubuntu.com/usn/USN-3583-2nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2018:0676nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2018:1062nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2018:1130nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2018:1170nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2018:1319nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2018:1737nvdThird Party Advisory
- bugs.launchpad.net/ubuntu/+source/linux/+bug/1739765nvdIssue TrackingThird Party Advisory
- help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0nvdThird Party Advisory
- lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlnvdMailing ListThird Party Advisory
- lkml.org/lkml/2017/4/2/13nvdThird Party Advisory
- support.f5.com/csp/article/K18352029nvdThird Party Advisory
- usn.ubuntu.com/3583-1/nvdThird Party Advisory
- usn.ubuntu.com/3583-2/nvdThird Party Advisory
- www.arista.com/en/support/advisories-notices/security-advisories/4577-security-advisory-34nvdMitigationThird Party Advisory
- www.debian.org/security/2018/dsa-4187nvdThird Party Advisory
- www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.36nvdRelease NotesVendor Advisory
- security.netapp.com/advisory/ntap-20250103-0010/nvd
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