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CVE-2015-8952 Detail

Description

The mbcache feature in the ext2 and ext4 filesystem implementations in the Linux kernel before 4.6 mishandles xattr block caching, which allows local users to cause a denial of service (soft lockup) via filesystem operations in environments that use many attributes, as demonstrated by Ceph and Samba.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=82939d7999dfc1f1998c4b1c12e2f19edbdff272 Patch 
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=be0726d33cb8f411945884664924bed3cb8c70ee Patch 
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f9a61eb4e2471c56a63cd804c7474128138c38ac Patch 
http://www.openwall.com/lists/oss-security/2016/08/22/2 Third Party Advisory 
http://www.openwall.com/lists/oss-security/2016/08/25/4 Patch  Third Party Advisory 
https://bugzilla.kernel.org/show_bug.cgi?id=107301 Issue Tracking  Third Party Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=1360968 Issue Tracking  Third Party Advisory  VDB Entry 
https://github.com/torvalds/linux/commit/82939d7999dfc1f1998c4b1c12e2f19edbdff272 Vendor Advisory 
https://github.com/torvalds/linux/commit/be0726d33cb8f411945884664924bed3cb8c70ee Issue Tracking  Patch 
https://github.com/torvalds/linux/commit/f9a61eb4e2471c56a63cd804c7474128138c38ac Issue Tracking 
https://lwn.net/Articles/668718/ Third Party Advisory 
https://usn.ubuntu.com/3582-1/
https://usn.ubuntu.com/3582-2/

Weakness Enumeration

CWE-ID CWE Name Source
CWE-19 Data Processing Errors cwe source acceptance level NIST  

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Change History

5 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-8952
NVD Published Date:
10/16/2016
NVD Last Modified:
03/15/2018
Source:
MITRE