CVE-2015-5706

Advisory lineage Upstream: 0 Downstream: 8
Modified
Published: 31 Aug 2015, 10:00
Last modified:06 Aug 2024, 06:59

Vulnerability Summary

Overall Risk (default)
low
18/100
CVSS Score
4.6 MEDIUM
v2.0 (nvd)
EPSS Score
0.05% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

31 Aug 2015, 10:00
Published
Vulnerability first disclosed
06 Aug 2024, 06:59
Last Modified
Vulnerability information updated

Description

Use-after-free vulnerability in the path_openat function in fs/namei.c in the Linux kernel 3.x and 4.x before 4.0.4 allows local users to cause a denial of service or possibly have unspecified other impact via O_TMPFILE filesystem operations that leverage a duplicate cleanup operation.

CVSS Metrics

  • v2.0•MEDIUM•Score: 4.6AV:L/AC:L/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 0.05%• Percentile: 16%

Techniques & Countermeasures

  • CWE-416•Use After Free

    The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

Affected Systems

  • canonical•ubuntu_linux

    12.04 | 14.04

  • debian•debian_linux

    7.0 | 8.0

  • linux•linux_kernel

    ≥ 3.0, ≤ 3.19.8 | ≥ 4.0, < 4.0.4

References (11)