High severity7.0NVD Advisory· Published Mar 1, 2017· Updated Jun 17, 2026

CVE-2017-6346

Description

Race condition in net/packet/af_packet.c in the Linux kernel before 4.9.13 allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via a multithreaded application that makes PACKET_FANOUT setsockopt system calls.

AI Insight

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

Affected products

Linux/Kernel
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Range: >=3.1,<3.2.87
osv-coords48 versions
pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP2 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSS pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012 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%20Workstation%20Extension%2012%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP2 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2 pkg:rpm/suse/kernel-ec2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2012 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2 pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP2 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP2 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSS pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012 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-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP2 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSS pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012 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-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP2 pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1 pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1 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%2012 pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1 pkg:rpm/suse/kgraft-patch-SLE12-SP1_Update_15&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012 pkg:rpm/suse/kgraft-patch-SLE12-SP2_Update_7&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012 pkg:rpm/suse/kgraft-patch-SLE12_Update_21&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSS pkg:rpm/suse/kgraft-patch-SLE12_Update_21&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012
< 3.12.74-60.64.40.1+ 47 more
- (no CPE)range: < 3.12.74-60.64.40.1
- (no CPE)range: < 4.4.59-92.17.3
- (no CPE)range: < 4.4.59-92.17.3
- (no CPE)range: < 3.12.74-60.64.40.1
- (no CPE)range: < 4.4.59-92.17.3
- (no CPE)range: < 3.12.61-52.72.1
- (no CPE)range: < 4.4.59-92.17.3
- (no CPE)range: < 3.12.61-52.72.1
- (no CPE)range: < 3.12.74-60.64.40.1
- (no CPE)range: < 4.4.59-92.17.3
- (no CPE)range: < 3.12.74-60.64.40.1
- (no CPE)range: < 4.4.59-92.17.3
- (no CPE)range: < 3.12.74-60.64.40.4
- (no CPE)range: < 4.4.59-92.17.8
- (no CPE)range: < 3.12.61-52.72.1
- (no CPE)range: < 3.12.74-60.64.40.1
- (no CPE)range: < 4.4.59-92.17.3
- (no CPE)range: < 4.4.74-7.10.1
- (no CPE)range: < 4.4.74-7.10.1
- (no CPE)range: < 3.12.74-60.64.40.1
- (no CPE)range: < 4.4.59-92.17.2
- (no CPE)range: < 3.12.74-60.64.40.1
- (no CPE)range: < 4.4.59-92.17.2
- (no CPE)range: < 3.12.61-52.72.1
- (no CPE)range: < 4.4.59-92.17.2
- (no CPE)range: < 3.12.61-52.72.1
- (no CPE)range: < 3.12.74-60.64.40.1
- (no CPE)range: < 4.4.59-92.17.2
- (no CPE)range: < 4.4.74-7.10.1
- (no CPE)range: < 3.12.74-60.64.40.1
- (no CPE)range: < 4.4.59-92.17.2
- (no CPE)range: < 3.12.74-60.64.40.1
- (no CPE)range: < 4.4.59-92.17.2
- (no CPE)range: < 3.12.61-52.72.1
- (no CPE)range: < 4.4.59-92.17.2
- (no CPE)range: < 3.12.61-52.72.1
- (no CPE)range: < 3.12.74-60.64.40.1
- (no CPE)range: < 4.4.59-92.17.2
- (no CPE)range: < 4.4.74-7.10.1
- (no CPE)range: < 3.12.74-60.64.40.1
- (no CPE)range: < 3.12.74-60.64.40.1
- (no CPE)range: < 3.12.61-52.72.1
- (no CPE)range: < 3.12.61-52.72.1
- (no CPE)range: < 3.12.74-60.64.40.1
- (no CPE)range: < 1-4.1
- (no CPE)range: < 1-2.3
- (no CPE)range: < 1-2.1
- (no CPE)range: < 1-2.1

Patches

Vulnerability mechanics

References

git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdPatchVendor Advisory
www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.13nvdPatchRelease NotesVendor Advisory
www.openwall.com/lists/oss-security/2017/02/28/6nvdMailing ListPatchThird Party Advisory
github.com/torvalds/linux/commit/d199fab63c11998a602205f7ee7ff7c05c97164bnvdPatchVendor Advisory
www.debian.org/security/2017/dsa-3804nvdThird Party Advisory
www.securityfocus.com/bid/96508nvdThird Party AdvisoryVDB Entry
source.android.com/security/bulletin/2017-09-01nvdThird Party Advisory

News mentions

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