CVE-2017-18249

Advisory lineage Upstream: 0 Downstream: 11
Modified
Published: 26 Mar 2018, 20:00
Last modified:05 Aug 2024, 21:13

Vulnerability Summary

Overall Risk (default)
medium
28/100
CVSS Score
7 HIGH
v3.0 (nvd)
EPSS Score
0.07% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

26 Mar 2018, 20:00
Published
Vulnerability first disclosed
05 Aug 2024, 21:13
Last Modified
Vulnerability information updated

Description

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.

CVSS Metrics

  • v3.0•HIGH•Score: 7CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • v2.0•MEDIUM•Score: 4.4AV:L/AC:M/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 0.07%• Percentile: 22%

Techniques & Countermeasures

  • CWE-362•Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

    The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

Affected Systems

  • debian•debian_linux

    8.0

  • linux•linux_kernel

    < 4.12

References (6)