Vulnerability Description
In the Linux kernel 4.13 through 4.16.11, ext4_read_inline_data() in fs/ext4/inline.c performs a memcpy with an untrusted length value in certain circumstances involving a crafted filesystem that stores the system.data extended attribute value in a dedicated inode.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 4.13, <= 4.16.11 |
| Canonical | Ubuntu Linux | 16.04 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/104291Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2019:0525Third Party Advisory
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1580ExploitThird Party Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=199803ExploitIssue TrackingThird Party Advisory
- 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
- https://www.exploit-db.com/exploits/44832/ExploitThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/104291Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2019:0525Third Party Advisory
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1580ExploitThird Party Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=199803ExploitIssue TrackingThird Party Advisory
- 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-2018-11412?
CVE-2018-11412 is a vulnerability with a CVSS score of 5.9 (MEDIUM). In the Linux kernel 4.13 through 4.16.11, ext4_read_inline_data() in fs/ext4/inline.c performs a memcpy with an untrusted length value in certain circumstances involving a crafted filesystem that stor...
How severe is CVE-2018-11412?
CVE-2018-11412 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-11412?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Canonical Ubuntu Linux.