Vulnerability Monitor

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CVE-2018-10840

Linux kernel is vulnerable to a heap-based buffer overflow in the fs/ext4/xattr.c:ext4_xattr_set_entry() function. An attacker could exploit this by operating on a mounted crafted ext4 image.

Published

2018-07-16T20:29:00.377

Last Modified

2024-11-21T03:42:07.110

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.6 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

10.0

Weaknesses

Type: Primary
CWE-122
Type: Secondary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	-	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes
Operating System	canonical	ubuntu_linux	18.04	Yes
Operating System	redhat	enterprise_linux	7.0	Yes

References

http://www.securityfocus.com/bid/104858 Third Party Advisory, VDB Entry ([email protected])
https://access.redhat.com/errata/RHSA-2019:0162 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10840 Exploit, Issue Tracking, Patch, Third Party Advisory ([email protected])
https://usn.ubuntu.com/3752-1/ Third Party Advisory ([email protected])
https://usn.ubuntu.com/3752-2/ Third Party Advisory ([email protected])
https://usn.ubuntu.com/3752-3/ Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/104858 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2019:0162 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10840 Exploit, Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/3752-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/3752-2/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/3752-3/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)