CVE-2017-18249
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.
| Software | From | Fixed in |
|---|---|---|
| linux / linux_kernel | - | 4.12 |
| debian / debian_linux | 8.0 | 8.0.x |
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=30a61ddf8117c26ac5b295e1233eaa9629a94ca3
- http://www.securitytracker.com/id/1041432
- https://github.com/torvalds/linux/commit/30a61ddf8117c26ac5b295e1233eaa9629a94ca3
- https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html
- https://usn.ubuntu.com/3932-1/
- https://usn.ubuntu.com/3932-2/
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