High severity7.8NVD Advisory· Published Sep 4, 2018· Updated Jun 17, 2026

CVE-2018-6555

Description

The irda_setsockopt function in net/irda/af_irda.c and later in drivers/staging/irda/net/af_irda.c in the Linux kernel before 4.17 allows local users to cause a denial of service (ias_object use-after-free and system crash) or possibly have unspecified other impact via an AF_IRDA socket.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

121

Linux/Kernelllm-fuzzy2 versions
<4.17+ 1 more
- (no CPE)range: <4.17
- (no CPE)range: before 4.17
osv-coords119 versions
pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3 pkg:rpm/suse/kernel-bigmem&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/kernel-bigmem&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/kernel-bigsmp&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/kernel-default&distro=SUSE%20Enterprise%20Storage%204 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP2 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP3 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSS pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCL pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSS pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSS pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP3 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015 pkg:rpm/suse/kernel-default&distro=SUSE%20OpenStack%20Cloud%207 pkg:rpm/suse/kernel-docs-azure&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3 pkg:rpm/suse/kernel-ec2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2012 pkg:rpm/suse/kernel-ec2&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3 pkg:rpm/suse/kernel-ec2&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/kernel-ec2&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/kernel-ec2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/kernel-livepatch-SLE15_Update_5&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3 pkg:rpm/suse/kernel-pae&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3 pkg:rpm/suse/kernel-pae&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/kernel-pae&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/kernel-pae&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/kernel-ppc64&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/kernel-ppc64&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP3 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2011%20SP4 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP3 pkg:rpm/suse/kernel-rt_trace&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2011%20SP4 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3 pkg:rpm/suse/kernel-source&distro=SUSE%20Enterprise%20Storage%204 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSS pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCL pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSS pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSS pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3 pkg:rpm/suse/kernel-source&distro=SUSE%20OpenStack%20Cloud%207 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2011%20SP4 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP3 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3 pkg:rpm/suse/kernel-syms&distro=SUSE%20Enterprise%20Storage%204 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSS pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCL pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSS pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSS pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3 pkg:rpm/suse/kernel-syms&distro=SUSE%20OpenStack%20Cloud%207 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2011%20SP4 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP3 pkg:rpm/suse/kernel-trace&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3 pkg:rpm/suse/kernel-trace&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/kernel-trace&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/kernel-trace&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/kernel-vanilla&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015 pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3 pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSS pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSS pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015 pkg:rpm/suse/kgraft-patch-SLE12-SP1_Update_31&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1 pkg:rpm/suse/kgraft-patch-SLE12-SP2_Update_25&distro=SUSE%20Enterprise%20Storage%204 pkg:rpm/suse/kgraft-patch-SLE12-SP2_Update_25&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSS pkg:rpm/suse/kgraft-patch-SLE12-SP2_Update_25&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2 pkg:rpm/suse/kgraft-patch-SLE12-SP2_Update_25&distro=SUSE%20OpenStack%20Cloud%207 pkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_17&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP3 pkg:rpm/suse/kgraft-patch-SLE12_Update_38&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSS pkg:rpm/suse/lttng-modules&distro=SUSE%20Enterprise%20Storage%204 pkg:rpm/suse/lttng-modules&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCL pkg:rpm/suse/lttng-modules&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSS pkg:rpm/suse/lttng-modules&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2 pkg:rpm/suse/lttng-modules&distro=SUSE%20OpenStack%20Cloud%207
< 4.12.14-5.16.1+ 118 more
- (no CPE)range: < 4.12.14-5.16.1
- (no CPE)range: < 4.4.155-4.16.1
- (no CPE)range: < 4.4.155-4.16.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 3.0.101-0.47.106.50.1
- (no CPE)range: < 4.4.121-92.95.1
- (no CPE)range: < 4.4.155-94.50.1
- (no CPE)range: < 4.4.121-92.95.1
- (no CPE)range: < 4.4.155-94.50.1
- (no CPE)range: < 4.12.14-25.19.1
- (no CPE)range: < 4.12.14-25.19.1
- (no CPE)range: < 4.12.14-25.19.1
- (no CPE)range: < 4.12.14-25.19.1
- (no CPE)range: < 3.0.101-0.47.106.50.1
- (no CPE)range: < 3.0.101-0.47.106.50.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 3.12.74-60.64.104.1
- (no CPE)range: < 4.4.121-92.95.1
- (no CPE)range: < 4.4.121-92.95.1
- (no CPE)range: < 4.4.155-94.50.1
- (no CPE)range: < 3.12.61-52.146.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 3.12.74-60.64.104.1
- (no CPE)range: < 4.4.121-92.95.1
- (no CPE)range: < 4.4.155-94.50.1
- (no CPE)range: < 4.4.155-94.50.1
- (no CPE)range: < 4.12.14-25.19.1
- (no CPE)range: < 4.4.121-92.95.1
- (no CPE)range: < 4.4.155-4.16.1
- (no CPE)range: < 4.12.14-25.19.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 4.4.155-94.50.1
- (no CPE)range: < 3.12.74-60.64.104.1
- (no CPE)range: < 3.0.101-0.47.106.50.1
- (no CPE)range: < 3.0.101-0.47.106.50.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 1-1.3.1
- (no CPE)range: < 4.12.14-25.19.1
- (no CPE)range: < 4.4.155-94.50.1
- (no CPE)range: < 3.0.101-0.47.106.50.1
- (no CPE)range: < 3.0.101-0.47.106.50.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 4.4.155-3.23.1
- (no CPE)range: < 3.0.101.rt130-69.36.1
- (no CPE)range: < 4.4.155-3.23.1
- (no CPE)range: < 3.0.101.rt130-69.36.1
- (no CPE)range: < 4.12.14-5.16.1
- (no CPE)range: < 4.4.155-4.16.1
- (no CPE)range: < 4.4.155-4.16.1
- (no CPE)range: < 4.4.121-92.95.1
- (no CPE)range: < 4.4.155-94.50.1
- (no CPE)range: < 4.12.14-25.19.1
- (no CPE)range: < 4.12.14-25.19.1
- (no CPE)range: < 3.0.101-0.47.106.50.1
- (no CPE)range: < 3.0.101-0.47.106.50.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 3.12.74-60.64.104.1
- (no CPE)range: < 4.4.121-92.95.1
- (no CPE)range: < 4.4.121-92.95.1
- (no CPE)range: < 4.4.155-94.50.1
- (no CPE)range: < 3.12.61-52.146.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 3.12.74-60.64.104.1
- (no CPE)range: < 4.4.121-92.95.1
- (no CPE)range: < 4.4.155-94.50.1
- (no CPE)range: < 4.4.121-92.95.1
- (no CPE)range: < 3.0.101.rt130-69.36.1
- (no CPE)range: < 4.4.155-3.23.1
- (no CPE)range: < 4.12.14-5.16.1
- (no CPE)range: < 4.4.155-4.16.1
- (no CPE)range: < 4.4.155-4.16.1
- (no CPE)range: < 4.4.121-92.95.1
- (no CPE)range: < 4.4.155-94.50.1
- (no CPE)range: < 4.12.14-25.19.1
- (no CPE)range: < 3.0.101-0.47.106.50.1
- (no CPE)range: < 3.0.101-0.47.106.50.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 3.12.74-60.64.104.1
- (no CPE)range: < 4.4.121-92.95.1
- (no CPE)range: < 4.4.121-92.95.1
- (no CPE)range: < 4.4.155-94.50.1
- (no CPE)range: < 3.12.61-52.146.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 3.12.74-60.64.104.1
- (no CPE)range: < 4.4.121-92.95.1
- (no CPE)range: < 4.4.155-94.50.1
- (no CPE)range: < 4.4.121-92.95.1
- (no CPE)range: < 3.0.101.rt130-69.36.1
- (no CPE)range: < 4.4.155-3.23.1
- (no CPE)range: < 3.0.101-0.47.106.50.1
- (no CPE)range: < 3.0.101-0.47.106.50.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 4.12.14-25.19.1
- (no CPE)range: < 3.0.101-0.47.106.50.1
- (no CPE)range: < 3.0.101-0.47.106.50.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 3.12.74-60.64.104.1
- (no CPE)range: < 3.12.61-52.146.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 3.12.74-60.64.104.1
- (no CPE)range: < 4.12.14-25.19.1
- (no CPE)range: < 1-2.5.1
- (no CPE)range: < 1-3.4.1
- (no CPE)range: < 1-3.4.1
- (no CPE)range: < 1-3.4.1
- (no CPE)range: < 1-3.4.1
- (no CPE)range: < 1-4.3.1
- (no CPE)range: < 1-1.5.1
- (no CPE)range: < 2.7.1-9.6.1
- (no CPE)range: < 2.7.1-9.6.1
- (no CPE)range: < 2.7.1-9.6.1
- (no CPE)range: < 2.7.1-9.6.1
- (no CPE)range: < 2.7.1-9.6.1

Patches

Vulnerability mechanics

References

www.spinics.net/lists/stable/msg255031.htmlnvdPatchThird Party Advisory
www.spinics.net/lists/stable/msg255035.htmlnvdPatchThird Party Advisory
www.securityfocus.com/bid/105304nvdThird Party AdvisoryVDB Entry
lists.debian.org/debian-lts-announce/2018/10/msg00003.htmlnvdThird Party Advisory
usn.ubuntu.com/3775-1/nvdThird Party Advisory
usn.ubuntu.com/3775-2/nvdThird Party Advisory
usn.ubuntu.com/3776-1/nvdThird Party Advisory
usn.ubuntu.com/3776-2/nvdThird Party Advisory
usn.ubuntu.com/3777-1/nvdThird Party Advisory
usn.ubuntu.com/3777-2/nvdThird Party Advisory
usn.ubuntu.com/3777-3/nvdThird Party Advisory
www.debian.org/security/2018/dsa-4308nvdThird Party Advisory

News mentions

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cvss	0.507
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000