CVE-2019-14283: Integer Overflow
First published: Fri Jul 26 2019(Updated: )
A vulnerability was found in the Linux kernel’s floppy disk driver implementation. A local attacker with access to the floppy device could call set_geometry in drivers/block/floppy.c, which does not validate the sect and head fields, causing an integer overflow and out-of-bounds read. This flaw may crash the system or allow an attacker to gather information causing subsequent successful attacks.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel-rt | <0:3.10.0-1127.rt56.1093.el7 | 0:3.10.0-1127.rt56.1093.el7 |
| redhat/kernel | <0:3.10.0-1127.el7 | 0:3.10.0-1127.el7 |
| redhat/kernel | <0:3.10.0-1062.26.1.el7 | 0:3.10.0-1062.26.1.el7 |
| IBM Data Risk Manager | <=2.0.6 | |
| Linux Kernel | <5.2.3 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.128-1 6.12.20-1 6.12.21-1 |
Remedy
The kernel module named 'floppy' contains the affected code, this can be blacklisted using the standard blacklisting techniques or disabled in the systems BIOS. See https://access.redhat.com/solutions/41278 for how to blacklist a kernel module. Virtualized guest systems can also remove the system from the guests configuration to ensure that the module does not load.
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2019-14283 https://nvd.nist.gov/vuln/detail/CVE-2019-14283 https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.3 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=da99466ac243f15fbba65bd261bfc75ffa1532b6 https://github.com/torvalds/linux/commit/da99466ac243f15fbba65bd261bfc75ffa1532b6
- https://bugzilla.redhat.com/show_bug.cgi?id=1734243
- https://access.redhat.com/errata/RHSA-2020:1070
- https://access.redhat.com/errata/RHSA-2020:1016
- https://access.redhat.com/errata/RHSA-2020:2522
- https://access.redhat.com/security/cve/cve-2019-14283
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00055.html
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00056.html
- http://packetstormsecurity.com/files/154059/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
- http://packetstormsecurity.com/files/154408/Kernel-Live-Patch-Security-Notice-LSN-0055-1.html
- http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.3
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=da99466ac243f15fbba65bd261bfc75ffa1532b6
- https://github.com/torvalds/linux/commit/da99466ac243f15fbba65bd261bfc75ffa1532b6
- https://lists.debian.org/debian-lts-announce/2019/08/msg00016.html
- https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html
- https://seclists.org/bugtraq/2019/Aug/13
- https://seclists.org/bugtraq/2019/Aug/18
- https://seclists.org/bugtraq/2019/Aug/26
- https://security.netapp.com/advisory/ntap-20190905-0002/
- https://usn.ubuntu.com/4114-1/
- https://usn.ubuntu.com/4115-1/
- https://usn.ubuntu.com/4116-1/
- https://usn.ubuntu.com/4117-1/
- https://usn.ubuntu.com/4118-1/
- https://www.debian.org/security/2019/dsa-4495
- https://www.debian.org/security/2019/dsa-4497
- https://launchpad.net/bugs/cve/CVE-2019-14283
- https://access.redhat.com/solutions/41278
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=da99466ac243f15fbba65bd261bfc75ffa1532b6
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1734244
- https://exchange.xforce.ibmcloud.com/vulnerabilities/165352
- https://www.ibm.com/support/pages/node/6335281 (Advisory)
- https://git.kernel.org/linus/da99466ac243f15fbba65bd261bfc75ffa1532b6
- https://security-tracker.debian.org/tracker/CVE-2019-14283
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-14283
- https://nvd.nist.gov/vuln/detail/CVE-2019-14283
- https://ubuntu.com/security/CVE-2019-14283
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is the severity of CVE-2019-14283?
CVE-2019-14283 is classified as a high severity vulnerability due to the potential for local attackers to exploit it.
How do I fix CVE-2019-14283?
To fix CVE-2019-14283, update your Linux kernel to a version that addresses this vulnerability.
Which versions of the Linux kernel are affected by CVE-2019-14283?
CVE-2019-14283 affects versions of the Linux kernel prior to 5.2.3.
Can CVE-2019-14283 be exploited remotely?
CVE-2019-14283 requires local access to the vulnerable system and cannot be exploited remotely.
What type of systems are impacted by CVE-2019-14283?
CVE-2019-14283 impacts systems running specific versions of the Linux kernel and the IBM Data Risk Manager.
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