NULL Pointer Dereference Affecting kernel-rt package, versions *
Threat Intelligence
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Start learning- Snyk IDSNYK-CENTOS7-KERNELRT-1990858
- published26 Jul 2021
- disclosed26 May 2018
Introduced: 26 May 2018
CVE-2018-14609 (opens in a new tab)How to fix?
There is no fixed version for Centos:7 kernel-rt.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt package and not the kernel-rt package as distributed by Centos.
See How to fix? for Centos:7 relevant fixed versions and status.
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.
References
- http://www.securityfocus.com/bid/104917
- https://access.redhat.com/security/cve/CVE-2018-14609
- https://www.debian.org/security/2018/dsa-4308
- https://bugzilla.kernel.org/show_bug.cgi?id=199833
- https://patchwork.kernel.org/patch/10500521/
- https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html
- https://usn.ubuntu.com/3821-1/
- https://usn.ubuntu.com/3821-2/
- https://usn.ubuntu.com/4094-1/
- https://usn.ubuntu.com/4118-1/