High severity7.0NVD Advisory· Published Mar 26, 2018· Updated Jun 17, 2026
CVE-2017-18249
CVE-2017-18249
Description
The add_free_nid function in fs/f2fs/node.c in the Linux kernel before 4.12 does not properly track an allocated nid, which allows local users to cause a denial of service (race condition) or possibly have unspecified other impact via concurrent threads.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
45- osv-coords44 versionspkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Enterprise%20Storage%204pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg: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%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP3pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP3pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/kernel-source&distro=SUSE%20Enterprise%20Storage%204pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg: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%207pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP3pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/kernel-syms&distro=SUSE%20Enterprise%20Storage%204pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg: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%207pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP3pkg:rpm/suse/kgraft-patch-SLE12-SP2_Update_23&distro=SUSE%20Enterprise%20Storage%204pkg:rpm/suse/kgraft-patch-SLE12-SP2_Update_23&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/kgraft-patch-SLE12-SP2_Update_23&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/kgraft-patch-SLE12-SP2_Update_23&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/kgraft-patch-SLE12-SP2_Update_23&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_14&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP3
< 4.4.176-4.25.1+ 43 more
- (no CPE)range: < 4.4.176-4.25.1
- (no CPE)range: < 4.4.176-4.25.1
- (no CPE)range: < 4.4.121-92.85.1
- (no CPE)range: < 4.4.138-94.39.1
- (no CPE)range: < 4.4.138-94.39.1
- (no CPE)range: < 4.4.121-92.85.1
- (no CPE)range: < 4.4.121-92.85.1
- (no CPE)range: < 4.4.138-94.39.1
- (no CPE)range: < 4.4.121-92.85.1
- (no CPE)range: < 4.4.138-94.39.1
- (no CPE)range: < 4.4.138-94.39.1
- (no CPE)range: < 4.4.121-92.85.1
- (no CPE)range: < 4.4.138-94.39.1
- (no CPE)range: < 4.4.138-94.39.1
- (no CPE)range: < 4.4.138-3.14.1
- (no CPE)range: < 4.4.138-3.14.1
- (no CPE)range: < 4.4.176-4.25.1
- (no CPE)range: < 4.4.176-4.25.1
- (no CPE)range: < 4.4.121-92.85.1
- (no CPE)range: < 4.4.138-94.39.1
- (no CPE)range: < 4.4.121-92.85.1
- (no CPE)range: < 4.4.121-92.85.1
- (no CPE)range: < 4.4.138-94.39.1
- (no CPE)range: < 4.4.121-92.85.1
- (no CPE)range: < 4.4.138-94.39.1
- (no CPE)range: < 4.4.121-92.85.1
- (no CPE)range: < 4.4.138-3.14.1
- (no CPE)range: < 4.4.176-4.25.1
- (no CPE)range: < 4.4.176-4.25.1
- (no CPE)range: < 4.4.121-92.85.1
- (no CPE)range: < 4.4.138-94.39.1
- (no CPE)range: < 4.4.121-92.85.1
- (no CPE)range: < 4.4.121-92.85.1
- (no CPE)range: < 4.4.138-94.39.1
- (no CPE)range: < 4.4.121-92.85.1
- (no CPE)range: < 4.4.138-94.39.1
- (no CPE)range: < 4.4.121-92.85.1
- (no CPE)range: < 4.4.138-3.14.1
- (no CPE)range: < 1-3.5.1
- (no CPE)range: < 1-3.5.1
- (no CPE)range: < 1-3.5.1
- (no CPE)range: < 1-3.5.1
- (no CPE)range: < 1-3.5.1
- (no CPE)range: < 1-4.5.1
Patches
Vulnerability mechanics
References
6- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdPatchThird Party Advisory
- github.com/torvalds/linux/commit/30a61ddf8117c26ac5b295e1233eaa9629a94ca3nvdPatchThird Party Advisory
- www.securitytracker.com/id/1041432nvdThird Party AdvisoryVDB Entry
- lists.debian.org/debian-lts-announce/2019/03/msg00017.htmlnvdMailing ListThird Party Advisory
- usn.ubuntu.com/3932-1/nvd
- usn.ubuntu.com/3932-2/nvd
News mentions
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