CVE-2017-18241
MEDIUMLinux Kernel < 4.13 - Denial of Service via F2FS noflush_merge NULL Pointer Dereference
Title source: llmDescription
fs/f2fs/segment.c in the Linux kernel before 4.13 allows local users to cause a denial of service (NULL pointer dereference and panic) by using a noflush_merge option that triggers a NULL value for a flush_cmd_control data structure.
References (6)
Core 6
Core References
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2018/dsa-4187
Patch, Third Party Advisory x_refsource_misc
https://github.com/torvalds/linux/commit/d4fdf8ba0e5808ba9ad6b44337783bd9935e0982
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3910-1/
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2018/dsa-4188
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3910-2/
Patch, Vendor Advisory x_refsource_misc
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d4fdf8ba0e5808ba9ad6b44337783bd9935e0982
Scores
CVSS v3
5.5
EPSS
0.0042
EPSS Percentile
33.8%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-476
Status
published
Products (5)
canonical/ubuntu_linux
14.04
canonical/ubuntu_linux
16.04
debian/debian_linux
8.0
debian/debian_linux
9.0
linux/linux_kernel
< 4.13
Published
Mar 21, 2018
Tracked Since
Feb 18, 2026