CVE - CVE-2018-1095

CVE-ID
CVE-2018-1095	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
The ext4_xattr_check_entries function in fs/ext4/xattr.c in the Linux kernel through 4.15.15 does not properly validate xattr sizes, which causes misinterpretation of a size as an error code, and consequently allows attackers to cause a denial of service (get_acl NULL pointer dereference and system crash) via a crafted ext4 image.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:RHSA-2018:2948 URL:https://access.redhat.com/errata/RHSA-2018:2948 MISC:USN-3695-1 URL:https://usn.ubuntu.com/3695-1/ MISC:USN-3695-2 URL:https://usn.ubuntu.com/3695-2/ MISC:http://openwall.com/lists/oss-security/2018/03/29/1 URL:http://openwall.com/lists/oss-security/2018/03/29/1 MISC:https://bugzilla.kernel.org/show_bug.cgi?id=199185 URL:https://bugzilla.kernel.org/show_bug.cgi?id=199185 MISC:https://bugzilla.redhat.com/show_bug.cgi?id=1560793 URL:https://bugzilla.redhat.com/show_bug.cgi?id=1560793 MISC:https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=ce3fd194fcc6fbdc00ce095a852f22df97baa401 URL:https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=ce3fd194fcc6fbdc00ce095a852f22df97baa401
Assigning CNA
Red Hat, Inc.
Date Record Created
20171204	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20171204)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
This is an record on the CVE List, which provides common identifiers for publicly known cybersecurity vulnerabilities.
Search CVE Using Keywords: You can also search by reference using the CVE Reference Maps.
For More Information: CVE Request Web Form (select "Other" from dropdown)