CVE-2015-8952
low-risk
Published 2016-10-16
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.
Do I need to act?
-
0.08% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10
Medium
LOCAL
/ LOW complexity
Affected Products (1)
Affected Vendors
References (26)
Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/08/22/2
Issue Tracking
https://bugzilla.kernel.org/show_bug.cgi?id=107301
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1360968
Third Party Advisory
https://lwn.net/Articles/668718/
Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/08/22/2
Issue Tracking
https://bugzilla.kernel.org/show_bug.cgi?id=107301
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1360968
and 6 more references
23
/ 100
low-risk
Severity
18/34 · Moderate
Exploitability
0/34 · Minimal
Exposure
5/34 · Minimal