CVE-2018-10881: Buffer Overflow
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 access in ext4_get_group_info function and so a denial of service and a system crash by mounting and operating on a crafted ext4 filesystem image. References: <a href="https://bugzilla.kernel.org/show_bug.cgi?id=200015">https://bugzilla.kernel.org/show_bug.cgi?id=200015</a> <a href="http://patchwork.ozlabs.org/patch/929792/">http://patchwork.ozlabs.org/patch/929792/</a> An upstream patch: <a href="https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6e8ab72a812396996035a37e5ca4b3b99b5d214b">https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6e8ab72a812396996035a37e5ca4b3b99b5d214b</a>
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.15-1 | |
| Ubuntu Linux | =14.04 | |
| Ubuntu Linux | =16.04 | |
| Ubuntu Linux | =18.04 | |
| Debian | =8.0 | |
| Linux kernel | <4.17.6 | |
| Red Hat Enterprise Linux Desktop | =7.0 | |
| Red Hat Enterprise Linux for Real Time | =7.0 | |
| Red Hat Enterprise Linux for Real Time for NFV | =7 | |
| Red Hat Enterprise Linux Server | =7.0 | |
| Red Hat Enterprise Linux Workstation | =7.0 |
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Reference Links
- http://patchwork.ozlabs.org/patch/929792/
- http://www.securityfocus.com/bid/104901
- 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=200015
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10881
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6e8ab72a812396996035a37e5ca4b3b99b5d214b
- https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html
- https://usn.ubuntu.com/3752-1/
- https://usn.ubuntu.com/3752-2/
- https://usn.ubuntu.com/3752-3/
- https://usn.ubuntu.com/3753-1/
- https://usn.ubuntu.com/3753-2/
- https://usn.ubuntu.com/3754-1/
- https://launchpad.net/bugs/cve/CVE-2018-10881
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1596830
- https://lwn.net/Articles/652468/
- https://bugzilla.redhat.com/show_bug.cgi?id=1596828
- https://security-tracker.debian.org/tracker/CVE-2018-10881
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-10881
- https://nvd.nist.gov/vuln/detail/CVE-2018-10881
- https://ubuntu.com/security/CVE-2018-10881
Frequently Asked Questions
What is CVE-2018-10881?
CVE-2018-10881 is a vulnerability in the Linux kernel's ext4 filesystem that can be exploited by a local user to cause a denial of service and system crash.
How can this vulnerability be exploited?
This vulnerability can be exploited by mounting and operating on a crafted ext4 filesystem image.
What is the severity of CVE-2018-10881?
CVE-2018-10881 has a low severity rating.
How do I fix CVE-2018-10881?
To fix CVE-2018-10881, update the affected Linux kernel packages to the specified versions.
Where can I find more information about CVE-2018-10881?
You can find more information about CVE-2018-10881 in the provided references.
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- version/red hat enterprise linux workstation/7.0