CVE-2018-14609: Null Pointer Dereference
An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in delrelocroot() in fs/btrfs/relocation.c when mounting a crafted btrfs image, related to removing reloc rbtrees when reloc control has not been initialized.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/linuxto a version that resolves this vulnerability.Fixed in 6.1.176-1Fixed in 6.1.190-1Fixed in 6.12.107-1Fixed in 6.12.113-1Fixed in 7.2.12-1Fixed in 7.2.13-1
Event History
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.