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 secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Canonical Ubuntu Linux | =14.04 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Debian Debian Linux | =8.0 | |
| Linux Linux kernel | <4.17.6 | |
| Redhat Enterprise Linux Desktop | =7.0 | |
| Redhat Enterprise Linux For Real Time | =7.0 | |
| Redhat Enterprise Linux For Real Time For Nfv | =7 | |
| Redhat Enterprise Linux Server | =7.0 | |
| Redhat Enterprise Linux Workstation | =7.0 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.12.5-1 6.12.6-1 |
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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.
- collector/nvd-index
- agent/type
- agent/first-publish-date
- collector/launchpad-cve
- source/Launchpad
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2018-10881
- agent/author
- agent/weakness
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/severity
- agent/remedy
- agent/references
- agent/tags
- collector/usn-cve
- source/Ubuntu
- agent/event
- agent/description
- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- agent/trending
- vendor/canonical
- canonical/canonical ubuntu linux
- version/canonical ubuntu linux/14.04
- version/canonical ubuntu linux/16.04
- version/canonical ubuntu linux/18.04
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/8.0
- vendor/linux
- canonical/linux linux kernel
- vendor/redhat
- canonical/redhat enterprise linux desktop
- version/redhat enterprise linux desktop/7.0
- canonical/redhat enterprise linux for real time
- version/redhat enterprise linux for real time/7.0
- canonical/redhat enterprise linux for real time for nfv
- version/redhat enterprise linux for real time for nfv/7
- canonical/redhat enterprise linux server
- version/redhat enterprise linux server/7.0
- canonical/redhat enterprise linux workstation
- version/redhat enterprise linux workstation/7.0
- package-manager/debian