CVE-2018-12929: Use After Free
First published: Thu Apr 12 2018(Updated: )
A flaw was found in ntfs_read_locked_inode in the ntfs.ko filesystem driver in the Linux kernel. This allows attackers to trigger a use-after-free read and possibly cause a denial of service via a crafted ntfs filesystem.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel-rt | <1:3.10.0-693.46.1.rt56.639.el6 | 1:3.10.0-693.46.1.rt56.639.el6 |
| Linux Kernel | =4.15 | |
| Ubuntu | =16.04.4 |
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Reference Links
- http://www.securityfocus.com/bid/104588
- https://access.redhat.com/errata/RHSA-2019:0641
- https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1763403
- https://marc.info/?l=linux-ntfs-dev&m=152413769810234&w=2
- https://marc.info/?t=152407734400002&r=1&w=2
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1597832
- https://lwn.net/Articles/652468/
- https://access.redhat.com/security/cve/cve-2018-12929
- https://bugzilla.redhat.com/show_bug.cgi?id=1597831
- https://www.cve.org/CVERecord?id=CVE-2018-12929 https://nvd.nist.gov/vuln/detail/CVE-2018-12929
Frequently Asked Questions
What is the severity of CVE-2018-12929?
CVE-2018-12929 has a medium severity rating due to its potential to cause denial of service.
How do I fix CVE-2018-12929?
To fix CVE-2018-12929, update to the latest kernel version that addresses this vulnerability.
What is affected by CVE-2018-12929?
CVE-2018-12929 affects multiple Linux kernel versions including kernel-rt and certain distributions of Ubuntu.
What kind of attack does CVE-2018-12929 enable?
CVE-2018-12929 allows attackers to trigger a use-after-free read, potentially leading to denial of service.
Is CVE-2018-12929 specific to any operating system?
Yes, CVE-2018-12929 is specifically associated with the Linux kernel and its ntfs filesystem driver.
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