Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2015-8839

Multiple race conditions in the ext4 filesystem implementation in the Linux kernel before 4.5 allow local users to cause a denial of service (disk corruption) by writing to a page that is associated with a different user's file after unsynchronized hole punching and page-fault handling.

Published

2016-05-02T10:59:22.110

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 5.1 (MEDIUM)

CVSSv2 Vector

AV:L/AC:M/Au:N/C:N/I:N/A:P

  • Access Vector: LOCAL
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

3.4

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-362
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System linux linux_kernel ≤ 4.4.221 Yes
Operating System linux linux_kernel 4.5 Yes
Operating System linux linux_kernel 4.5 Yes
Operating System linux linux_kernel 4.5 Yes
Operating System linux linux_kernel 4.5 Yes
Operating System linux linux_kernel 4.5 Yes
Operating System linux linux_kernel 4.5 Yes
Operating System linux linux_kernel 4.5 Yes
Operating System canonical ubuntu_linux 14.04 Yes
Operating System canonical ubuntu_linux 16.04 Yes
References