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 | |
| ubuntu/linux | <4.15.0-33.36 | 4.15.0-33.36 |
| ubuntu/linux | <3.13.0-157.207 | 3.13.0-157.207 |
| ubuntu/linux | <4.18~ | 4.18~ |
| ubuntu/linux | <4.4.0-134.160 | 4.4.0-134.160 |
| ubuntu/linux-aws | <4.15.0-1020.20 | 4.15.0-1020.20 |
| ubuntu/linux-aws | <4.4.0-1028.31 | 4.4.0-1028.31 |
| ubuntu/linux-aws | <4.18~ | 4.18~ |
| ubuntu/linux-aws | <4.4.0-1066.76 | 4.4.0-1066.76 |
| ubuntu/linux-azure | <4.15.0-1022.23 | 4.15.0-1022.23 |
| ubuntu/linux-azure | <4.18~ | 4.18~ |
| ubuntu/linux-azure | <4.15.0-1022.22~16.04.1 | 4.15.0-1022.22~16.04.1 |
| ubuntu/linux-azure-edge | <4.18~ | 4.18~ |
| ubuntu/linux-azure-edge | <4.15.0-1022.23 | 4.15.0-1022.23 |
| ubuntu/linux-euclid | <4.18~ | 4.18~ |
| ubuntu/linux-flo | <4.18~ | 4.18~ |
| ubuntu/linux-gcp | <4.15.0-1018.19 | 4.15.0-1018.19 |
| ubuntu/linux-gcp | <4.18~ | 4.18~ |
| ubuntu/linux-gcp | <4.15.0-1018.19~16.04.2 | 4.15.0-1018.19~16.04.2 |
| ubuntu/linux-gke | <4.18~ | 4.18~ |
| ubuntu/linux-goldfish | <4.18~ | 4.18~ |
| ubuntu/linux-grouper | <4.18~ | 4.18~ |
| ubuntu/linux-hwe | <4.18~ | 4.18~ |
| ubuntu/linux-hwe | <4.15.0-33.36~16.04.1 | 4.15.0-33.36~16.04.1 |
| ubuntu/linux-hwe-edge | <4.18~ | 4.18~ |
| ubuntu/linux-hwe-edge | <4.15.0-33.36~16.04.1 | 4.15.0-33.36~16.04.1 |
| ubuntu/linux-kvm | <4.15.0-1020.20 | 4.15.0-1020.20 |
| ubuntu/linux-kvm | <4.18~ | 4.18~ |
| ubuntu/linux-kvm | <4.4.0-1032.38 | 4.4.0-1032.38 |
| ubuntu/linux-lts-trusty | <4.18~ | 4.18~ |
| ubuntu/linux-lts-utopic | <4.18~ | 4.18~ |
| ubuntu/linux-lts-vivid | <4.18~ | 4.18~ |
| ubuntu/linux-lts-wily | <4.18~ | 4.18~ |
| ubuntu/linux-lts-xenial | <4.4.0-134.160~14.04.1 | 4.4.0-134.160~14.04.1 |
| ubuntu/linux-lts-xenial | <4.18~ | 4.18~ |
| ubuntu/linux-maguro | <4.18~ | 4.18~ |
| ubuntu/linux-mako | <4.18~ | 4.18~ |
| ubuntu/linux-manta | <4.18~ | 4.18~ |
| ubuntu/linux-oem | <4.15.0-1017.20 | 4.15.0-1017.20 |
| ubuntu/linux-oem | <4.18~ | 4.18~ |
| ubuntu/linux-raspi2 | <4.15.0-1021.23 | 4.15.0-1021.23 |
| ubuntu/linux-raspi2 | <4.18~ | 4.18~ |
| ubuntu/linux-raspi2 | <4.4.0-1095.103 | 4.4.0-1095.103 |
| ubuntu/linux-snapdragon | <4.18~ | 4.18~ |
| ubuntu/linux-snapdragon | <4.4.0-1099.104 | 4.4.0-1099.104 |
| debian/linux | 4.19.249-2 4.19.304-1 5.10.209-2 5.10.205-2 6.1.76-1 6.1.85-1 6.6.15-2 6.7.12-1 |
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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://ubuntu.com/security/notices/USN-3752-1
- https://ubuntu.com/security/notices/USN-3752-2
- https://ubuntu.com/security/notices/USN-3753-1
- https://ubuntu.com/security/notices/USN-3753-2
- https://ubuntu.com/security/notices/USN-3754-1
- https://ubuntu.com/security/notices/USN-3752-3
- https://www.cve.org/CVERecord?id=CVE-2018-10881
- https://nvd.nist.gov/vuln/detail/CVE-2018-10881
- https://git.kernel.org/linus/1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
- https://git.kernel.org/linus/6e8ab72a812396996035a37e5ca4b3b99b5d214b
- https://ubuntu.com/security/CVE-2018-10881
Parent vulnerabilities
(Appears in the following advisories)
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
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- version/redhat enterprise linux for real time for nfv/7
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- version/redhat enterprise linux workstation/7.0
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