What’s Vulnerable › Vulnerabilities

CVE-2018-14609

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-07-27 · updated 2026-06-17
• Weakness: CWE-476

Description

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.

Affected products

• Canonical Ubuntu Linux: 14.04, 16.04
• Debian Linux: 8.0, 9.0
• Linux kernel: through 4.17.10

References

• 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
• 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

Get alerted when CVE-2018-14609 or the next vulnerability affects your stack