Home/CVE/The d_walk function in fs/dcache.c in the Linux kernel through 3.17.2 does not properly maintain the semantics of rename
CVE

CVE-2014-8559

The d_walk function in fs/dcache.c in the Linux kernel through 3.17.2 does not properly maintain the semantics of rename

The d_walk function in fs/dcache.c in the Linux kernel through 3.17.2 does not properly maintain the semantics of rename_lock, which allows local users to cause a denial of service (deadlock and system hang) via a crafted application.

MEDIUM · CVSS 5.5 EPSS 0.00055
Schedule remediation
  • Public exploit or PoC is available
Sigma rules8 YARA rules0
⬡

Weakness Classification

CWE-400Uncontrolled Resource Consumption
▤

Affected Products & Versions

11
linux kernel<= 3.17.2
canonical ubuntu linuxall versions
novell suse linux enterprise desktopall versions
novell suse linux enterprise serverall versions
opensuse evergreenall versions
opensuseall versions
suse linux enterprise real time extensionall versions
suse linux enterprise software development kitall versions
⚠

Public Exploits & PoCs

3
pocwww.debian.org · dsa-3170www.debian.org
poclkml.org · 25/171lkml.org
poclkml.org · 26/116lkml.org
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productcriticalLinux Reverse Shell Indicator
producthighCommunication To LocaltoNet Tunneling Service Initiated - Linux
producthighPotentially Suspicious Malware Callback Communication - Linux
producthighLinux Crypto Mining Pool Connections
producthighCommunication To Ngrok Tunneling Service - Linux
producthighLinux Crypto Mining Indicators
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD10 Nov 2014 · 11:55 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

16
rhsaRHSA-2015:1977Moderate
rhsaRHSA-2015:1978Moderate
usnUSN-2518-1
usnUSN-2517-1
usnUSN-2516-1
🔗

References & Sources

28
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00035.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00020.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.htmlMailing ListThird Party Advisory
Intelligence Graph · click any node to traverse
CVETechnique ActorTool Family
drag to reposition · click any node to traverse · button top-right enlarges
External lookups - second-class, for what we don’t hold ourselves
NVDCVE.orgCISAVulnersExploit-DBGitHub PoCVulnCheck KEVGreyNoise
Vulnerabilities
CISA KEV catalog
CWE weaknesses
CAPEC attack patterns
Package vulnerabilities
Threat intelligence
Threat actors
Tools & malware
ATT&CK techniques
IOCs
Detection & defense
Sigma rules
YARA rules
Atomic Red Team tests
D3FEND countermeasures
Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1
About
All capabilities
Live statistics
Data sources
Privacy policy
Terms of service
threatengine.sh  ·  Open-source threat intelligence platform  ·  100+ authoritative sources  ·  Every fact traces to its origin