CVE-2017-18249
HIGHLinux Kernel < 4.12 - Race Condition in F2FS Node ID Allocation
Title source: llmDescription
The add_free_nid function in fs/f2fs/node.c in the Linux kernel before 4.12 does not properly track an allocated nid, which allows local users to cause a denial of service (race condition) or possibly have unspecified other impact via concurrent threads.
References (6)
Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1041432
Patch, Third Party Advisory x_refsource_misc
https://github.com/torvalds/linux/commit/30a61ddf8117c26ac5b295e1233eaa9629a94ca3
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html
Patch, Third Party Advisory x_refsource_misc
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=30a61ddf8117c26ac5b295e1233eaa9629a94ca3
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3932-1/
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3932-2/
Scores
CVSS v3
7.0
EPSS
0.0032
EPSS Percentile
24.0%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-362
Status
published
Products (2)
debian/debian_linux
8.0
linux/linux_kernel
< 4.12
Published
Mar 26, 2018
Tracked Since
Feb 18, 2026