High severity7.8NVD Advisory· Published Dec 5, 2017· Updated Jun 17, 2026
CVE-2017-8824
CVE-2017-8824
Description
The dccp_disconnect function in net/dccp/proto.c in the Linux kernel through 4.14.3 allows local users to gain privileges or cause a denial of service (use-after-free) via an AF_UNSPEC connect system call during the DCCP_LISTEN state.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
95- osv-coords94 versionspkg:rpm/opensuse/kernel-source&distro=openSUSE%20Tumbleweedpkg: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&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2011%20SP4pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP2pkg: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-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-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_24&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/kgraft-patch-SLE12-SP1_Update_24&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/kgraft-patch-SLE12-SP1_Update_24&distro=SUSE%20OpenStack%20Cloud%206pkg:rpm/suse/kgraft-patch-SLE12-SP2_Update_16&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012pkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_6&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP3
< 5.14.6-1.4+ 93 more
- (no CPE)range: < 5.14.6-1.4
- (no CPE)range: < 3.0.101-108.21.1
- (no CPE)range: < 3.0.101-108.21.1
- (no CPE)range: < 3.0.101-0.47.106.11.1
- (no CPE)range: < 4.4.103-92.53.1
- (no CPE)range: < 4.4.103-6.33.1
- (no CPE)range: < 4.4.103-92.53.1
- (no CPE)range: < 4.4.103-6.33.1
- (no CPE)range: < 3.0.101-0.47.106.11.1
- (no CPE)range: < 3.0.101-0.47.106.11.1
- (no CPE)range: < 3.0.101-108.21.1
- (no CPE)range: < 3.12.74-60.64.69.1
- (no CPE)range: < 4.4.103-92.53.1
- (no CPE)range: < 4.4.103-6.33.1
- (no CPE)range: < 3.12.61-52.111.1
- (no CPE)range: < 4.4.103-92.53.1
- (no CPE)range: < 3.0.101-108.21.1
- (no CPE)range: < 3.12.74-60.64.69.1
- (no CPE)range: < 4.4.103-92.53.1
- (no CPE)range: < 4.4.103-6.33.1
- (no CPE)range: < 4.4.103-92.53.1
- (no CPE)range: < 4.4.103-6.33.1
- (no CPE)range: < 3.12.74-60.64.69.1
- (no CPE)range: < 3.0.101-108.21.2
- (no CPE)range: < 4.4.103-92.53.1
- (no CPE)range: < 4.4.103-6.33.1
- (no CPE)range: < 3.12.74-60.64.69.1
- (no CPE)range: < 3.0.101-0.47.106.11.1
- (no CPE)range: < 3.0.101-0.47.106.11.1
- (no CPE)range: < 3.0.101-108.21.1
- (no CPE)range: < 3.0.101-108.21.1
- (no CPE)range: < 4.4.103-92.53.1
- (no CPE)range: < 4.4.103-6.33.1
- (no CPE)range: < 3.0.101-0.47.106.11.1
- (no CPE)range: < 3.0.101-0.47.106.11.1
- (no CPE)range: < 3.0.101-108.21.1
- (no CPE)range: < 3.0.101-108.21.1
- (no CPE)range: < 3.0.101-108.21.1
- (no CPE)range: < 3.0.101-108.21.1
- (no CPE)range: < 4.4.104-24.1
- (no CPE)range: < 3.0.101.rt130-69.14.1
- (no CPE)range: < 4.4.104-24.1
- (no CPE)range: < 3.0.101.rt130-69.14.1
- (no CPE)range: < 4.4.103-92.53.1
- (no CPE)range: < 4.4.103-6.33.1
- (no CPE)range: < 3.0.101-0.47.106.11.1
- (no CPE)range: < 3.0.101-0.47.106.11.1
- (no CPE)range: < 3.0.101-108.21.1
- (no CPE)range: < 3.12.74-60.64.69.1
- (no CPE)range: < 4.4.103-92.53.1
- (no CPE)range: < 4.4.103-6.33.1
- (no CPE)range: < 3.12.61-52.111.1
- (no CPE)range: < 4.4.103-92.53.1
- (no CPE)range: < 3.0.101-108.21.1
- (no CPE)range: < 3.12.74-60.64.69.1
- (no CPE)range: < 4.4.103-92.53.1
- (no CPE)range: < 4.4.103-6.33.1
- (no CPE)range: < 3.12.74-60.64.69.1
- (no CPE)range: < 3.0.101.rt130-69.14.1
- (no CPE)range: < 4.4.104-24.1
- (no CPE)range: < 4.4.103-92.53.1
- (no CPE)range: < 4.4.103-6.33.1
- (no CPE)range: < 3.0.101-0.47.106.11.1
- (no CPE)range: < 3.0.101-0.47.106.11.1
- (no CPE)range: < 3.0.101-108.21.1
- (no CPE)range: < 3.12.74-60.64.69.1
- (no CPE)range: < 4.4.103-92.53.1
- (no CPE)range: < 4.4.103-6.33.1
- (no CPE)range: < 3.12.61-52.111.1
- (no CPE)range: < 4.4.103-92.53.1
- (no CPE)range: < 3.0.101-108.21.1
- (no CPE)range: < 3.12.74-60.64.69.1
- (no CPE)range: < 4.4.103-92.53.1
- (no CPE)range: < 4.4.103-6.33.1
- (no CPE)range: < 3.12.74-60.64.69.1
- (no CPE)range: < 3.0.101.rt130-69.14.1
- (no CPE)range: < 4.4.104-24.1
- (no CPE)range: < 3.0.101-0.47.106.11.1
- (no CPE)range: < 3.0.101-0.47.106.11.1
- (no CPE)range: < 3.0.101-108.21.1
- (no CPE)range: < 3.0.101-108.21.1
- (no CPE)range: < 3.0.101-0.47.106.11.1
- (no CPE)range: < 3.0.101-0.47.106.11.1
- (no CPE)range: < 3.0.101-108.21.1
- (no CPE)range: < 3.12.74-60.64.69.1
- (no CPE)range: < 3.12.61-52.111.1
- (no CPE)range: < 3.0.101-108.21.1
- (no CPE)range: < 3.12.74-60.64.69.1
- (no CPE)range: < 3.12.74-60.64.69.1
- (no CPE)range: < 1-2.3.1
- (no CPE)range: < 1-2.3.1
- (no CPE)range: < 1-2.3.1
- (no CPE)range: < 1-3.3.1
- (no CPE)range: < 1-4.3.1
Patches
Vulnerability mechanics
References
24- www.exploit-db.com/exploits/43234/nvdExploitThird Party AdvisoryVDB Entry
- lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.htmlnvdThird Party Advisory
- lists.openwall.net/netdev/2017/12/04/224nvdThird Party Advisory
- www.openwall.com/lists/oss-security/2017/12/05/1nvdMailing ListThird Party Advisory
- www.securityfocus.com/bid/102056nvdThird Party AdvisoryVDB Entry
- access.redhat.com/errata/RHSA-2018:0399nvdThird 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-2018:1216nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2018:1319nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2018:3822nvdThird 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/2017/12/msg00004.htmlnvdThird Party Advisory
- usn.ubuntu.com/3581-1/nvdThird Party Advisory
- usn.ubuntu.com/3581-2/nvdThird Party Advisory
- usn.ubuntu.com/3581-3/nvdThird Party Advisory
- usn.ubuntu.com/3582-1/nvdThird Party Advisory
- usn.ubuntu.com/3582-2/nvdThird Party Advisory
- usn.ubuntu.com/3583-1/nvdThird Party Advisory
- usn.ubuntu.com/3583-2/nvdThird Party Advisory
- www.debian.org/security/2017/dsa-4073nvdThird Party Advisory
- www.debian.org/security/2018/dsa-4082nvdThird Party Advisory
News mentions
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