CVE-2018-10878
First published: Fri Jun 29 2018(Updated: )
A flaw was found in Linux kernel ext4 filesystem. A local user can cause an out-of-bound write and so a denial of service or possibly unspecified other impact by mounting and operating a crafted ext4 filesystem image. References: <a href="https://bugzilla.kernel.org/show_bug.cgi?id=199865">https://bugzilla.kernel.org/show_bug.cgi?id=199865</a> Upstream patches: <a href="https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=819b23f1c501b17b9694325471789e6b5cc2d0d2">https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=819b23f1c501b17b9694325471789e6b5cc2d0d2</a> <a href="https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=77260807d1170a8cf35dbb06e07461a655f67eee">https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=77260807d1170a8cf35dbb06e07461a655f67eee</a>
Credit: secalert@redhat.com secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Ubuntu | =14.04 | |
| Ubuntu | =16.04 | |
| Ubuntu | =18.04 | |
| Linux Kernel | <3.16.58 | |
| Linux Kernel | >=3.17<3.18.124 | |
| Linux Kernel | >=3.19<4.4.140 | |
| Linux Kernel | >=4.5<4.9.112 | |
| Linux Kernel | >=4.10<4.14.55 | |
| Linux Kernel | >=4.15<4.17.6 | |
| Debian Linux | =8.0 | |
| Red Hat Enterprise Linux Desktop | =7.0 | |
| Red Hat Enterprise Linux Server | =7.0 | |
| Red Hat Enterprise Linux Workstation | =7.0 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.133-1 6.12.21-1 6.12.22-1 |
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Reference Links
- http://patchwork.ozlabs.org/patch/929237/
- http://patchwork.ozlabs.org/patch/929238/
- https://access.redhat.com/errata/RHSA-2018:2948
- https://access.redhat.com/errata/RHSA-2018:3083
- https://access.redhat.com/errata/RHSA-2018:3096
- https://bugzilla.kernel.org/show_bug.cgi?id=199865
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10878
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=77260807d1170a8cf35dbb06e07461a655f67eee
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=819b23f1c501b17b9694325471789e6b5cc2d0d2
- https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html
- https://usn.ubuntu.com/3753-1/
- https://usn.ubuntu.com/3753-2/
- https://usn.ubuntu.com/3871-1/
- https://usn.ubuntu.com/3871-3/
- https://usn.ubuntu.com/3871-4/
- https://usn.ubuntu.com/3871-5/
- https://launchpad.net/bugs/cve/CVE-2018-10878
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1596803
- https://lwn.net/Articles/652468/
- https://bugzilla.redhat.com/show_bug.cgi?id=1596802
- https://security-tracker.debian.org/tracker/CVE-2018-10878
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-10878
- https://nvd.nist.gov/vuln/detail/CVE-2018-10878
- https://ubuntu.com/security/CVE-2018-10878
Frequently Asked Questions
What is the severity of CVE-2018-10878?
CVE-2018-10878 has a severity rating that may allow for denial of service or potentially other impacts due to an out-of-bounds write flaw.
How do I fix CVE-2018-10878?
To fix CVE-2018-10878, update the Linux kernel to a patched version that addresses the flaw.
What systems are affected by CVE-2018-10878?
CVE-2018-10878 affects various Linux kernel versions including those in Ubuntu 14.04, 16.04, 18.04, and several versions of Debian and Red Hat Enterprise Linux.
Can CVE-2018-10878 be exploited remotely?
CVE-2018-10878 requires local user access, meaning it cannot be exploited remotely without local access to the system.
What kind of attack is associated with CVE-2018-10878?
CVE-2018-10878 is associated with an attack that can lead to denial of service through manipulation of a crafted ext4 filesystem image.
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