CVE-2018-1092
low-risk
Published 2018-04-02
The ext4_iget function in fs/ext4/inode.c in the Linux kernel through 4.15.15 mishandles the case of a root directory with a zero i_links_count, which allows attackers to cause a denial of service (ext4_process_freed_data NULL pointer dereference and OOPS) via a crafted ext4 image.
Do I need to act?
-
0.24% 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 (40)
Mailing List
http://openwall.com/lists/oss-security/2018/03/29/1
Issue Tracking
https://bugzilla.kernel.org/show_bug.cgi?id=199179
Issue Tracking
https://bugzilla.kernel.org/show_bug.cgi?id=199275
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1560777
and 20 more references
24
/ 100
low-risk
Severity
18/34 · Moderate
Exploitability
1/34 · Minimal
Exposure
5/34 · Minimal