CVE-2018-14609: Null Pointer Dereference
First published: Fri Jul 27 2018(Updated: )
An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in __del_reloc_root() in fs/btrfs/relocation.c when mounting a crafted btrfs image, related to removing reloc rb_trees when reloc control has not been initialized.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <=4.17.10 | |
| Debian Linux | =8.0 | |
| Debian Linux | =9.0 | |
| Ubuntu | =14.04 | |
| Ubuntu | =16.04 | |
| 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 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- http://www.securityfocus.com/bid/104917
- https://bugzilla.kernel.org/show_bug.cgi?id=199833
- https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html
- https://patchwork.kernel.org/patch/10500521/
- https://usn.ubuntu.com/3821-1/
- https://usn.ubuntu.com/3821-2/
- https://usn.ubuntu.com/4094-1/
- https://usn.ubuntu.com/4118-1/
- https://www.debian.org/security/2018/dsa-4308
- https://launchpad.net/bugs/cve/CVE-2018-14609
- https://security-tracker.debian.org/tracker/CVE-2018-14609
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-14609
- https://nvd.nist.gov/vuln/detail/CVE-2018-14609
- https://ubuntu.com/security/CVE-2018-14609
Frequently Asked Questions
What is the severity of CVE-2018-14609?
CVE-2018-14609 is classified as a high severity vulnerability due to its potential for causing system crashes or instability.
How do I fix CVE-2018-14609?
To fix CVE-2018-14609, upgrade the Linux kernel to version 5.10.223-1, 5.10.226-1, 6.1.123-1, 6.1.128-1, 6.12.12-1, or 6.12.13-1.
Which versions of the Linux kernel are affected by CVE-2018-14609?
CVE-2018-14609 affects the Linux kernel versions up to 4.17.10.
What systems are impacted by CVE-2018-14609?
Systems running Linux kernel versions up to 4.17.10, including specific versions of Debian and Ubuntu, are impacted by CVE-2018-14609.
Is there a workaround for CVE-2018-14609?
There are no known effective workarounds for CVE-2018-14609; the recommended action is to apply the necessary kernel updates.
- agent/type
- collector/launchpad-cve
- source/Launchpad
- agent/severity
- agent/weakness
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/remedy
- agent/first-publish-date
- agent/trending
- agent/last-modified-date
- agent/source
- agent/author
- collector/usn-cve
- source/Ubuntu
- agent/description
- agent/event
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- collector/nvd-index
- agent/softwarecombine
- agent/tags
- collector/security-tracker-debian
- source/Debian
- vendor/linux
- canonical/linux kernel
- version/linux kernel/4.17.10
- vendor/debian
- canonical/debian linux
- version/debian linux/8.0
- version/debian linux/9.0
- vendor/canonical
- canonical/ubuntu
- version/ubuntu/14.04
- version/ubuntu/16.04
- package-manager/debian