Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | - |
| Canonical | Ubuntu Linux | 14.04 |
| Redhat | Enterprise Linux | 7.0 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/104858Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2019:0162Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10840ExploitIssue TrackingPatch
- https://usn.ubuntu.com/3752-1/Third Party Advisory
- https://usn.ubuntu.com/3752-2/Third Party Advisory
- https://usn.ubuntu.com/3752-3/Third Party Advisory
- http://www.securityfocus.com/bid/104858Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2019:0162Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10840ExploitIssue TrackingPatch
- https://usn.ubuntu.com/3752-1/Third Party Advisory
- https://usn.ubuntu.com/3752-2/Third Party Advisory
- https://usn.ubuntu.com/3752-3/Third Party Advisory
FAQ
What is CVE-2018-10840?
CVE-2018-10840 is a vulnerability with a CVSS score of 6.6 (MEDIUM). 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.
How severe is CVE-2018-10840?
CVE-2018-10840 has been rated MEDIUM with a CVSS base score of 6.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-10840?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Canonical Ubuntu Linux, Redhat Enterprise Linux.