vulnwire
7.0high

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 us…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
7.0
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.3%
percentile 24%
Public exploits
0
none known

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.

Exploit prediction (EPSS)

0.31% probability of exploitation in the next 30 days, higher than 24% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.0CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD2.04.4AV:L/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization
Technology feeds
Linux kernel (RSS, critical only)

References

  • securitytracker.com /id/1041432 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • github.com /torvalds/linux/commit/30a61ddf8117c26ac5b295e1233eaa9629a94ca3 · x_refsource_MISC, x_transferred
  • lists.debian.org /debian-lts-announce/2019/03/msg00017.html · mailing-list, x_refsource_MLIST, x_transferred
  • git.kernel.org /cgit/linux/kernel/git/torvalds/linux.git/commit/?id=30a61ddf8117c26ac5b295e1233eaa9629a94 · x_refsource_MISC, x_transferred
  • usn.ubuntu.com /3932-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • usn.ubuntu.com /3932-2/ · vendor-advisory, x_refsource_UBUNTU, x_transferred

Sources

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