Vulnerability Description
A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bounds write in jbd2_journal_dirty_metadata(), a denial of service, and a system crash by mounting and operating on a crafted ext4 filesystem image.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian | Debian Linux | 8.0 |
| Linux | Linux Kernel | < 4.9.110 |
| Canonical | Ubuntu Linux | 14.04 |
| Redhat | Enterprise Linux | 7.0 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Workstation | 7.0 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/errata/RHSA-2018:2948Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3083Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3096Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10883Issue TrackingPatchVendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8bPatchVendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e0PatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/07/msg00020.htmlMailing ListThird Party Advisory
- https://support.f5.com/csp/article/K94735334?utm_source=f5support&%3Butm_medi
- https://usn.ubuntu.com/3871-1/Third Party Advisory
- https://usn.ubuntu.com/3871-3/Third Party Advisory
- https://usn.ubuntu.com/3871-4/Third Party Advisory
- https://usn.ubuntu.com/3871-5/Third Party Advisory
- https://usn.ubuntu.com/3879-1/Third Party Advisory
- https://usn.ubuntu.com/3879-2/Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2948Third Party Advisory
FAQ
What is CVE-2018-10883?
CVE-2018-10883 is a vulnerability with a CVSS score of 4.8 (MEDIUM). A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bounds write in jbd2_journal_dirty_metadata(), a denial of service, and a system crash by mounting and operatin...
How severe is CVE-2018-10883?
CVE-2018-10883 has been rated MEDIUM with a CVSS base score of 4.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-10883?
Check the references section above for vendor advisories and patch information. Affected products include: Debian Debian Linux, Linux Linux Kernel, Canonical Ubuntu Linux, Redhat Enterprise Linux, Redhat Enterprise Linux Desktop.