CVE-2018-13096: Medium severity Linux Linux kernel vulnerability
An issue was discovered in fs/f2fs/super.c in the Linux kernel through 4.14. A denial of service (out-of-bounds memory access and BUG) can occur upon encountering an abnormal bitmap size when mounting a crafted f2fs image.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/linuxto a version that resolves this vulnerability.Fixed in 5.10.223-1Fixed in 5.10.262-1Fixed in 6.1.176-1Fixed in 6.1.180-1Fixed in 6.12.94-1Fixed in 6.12.101-1Fixed in 7.1.8-1Fixed in 7.1.8-2 - Upgrade
Upgrade
Linux kernel (fs/f2fs/super.c)to a version that resolves this vulnerability.Fixed in 4.14
Event History
Frequently Asked Questions
What is the severity of CVE-2018-13096?
CVE-2018-13096 has a severity level that allows for a denial of service due to out-of-bounds memory access.
How do I fix CVE-2018-13096?
To fix CVE-2018-13096, update to a patched version of the Linux kernel such as 5.10.223-1 or newer.
Which versions of the Linux kernel are affected by CVE-2018-13096?
CVE-2018-13096 affects all versions of the Linux kernel up to and including 4.14.
What causes the vulnerability in CVE-2018-13096?
CVE-2018-13096 is caused by encountering an abnormal bitmap size when mounting a crafted f2fs image.
Are there specific Linux distributions affected by CVE-2018-13096?
Yes, Debian, Ubuntu, and openSUSE distributions along with their specified versions are affected by CVE-2018-13096.