CVE-2019-11599

Advisory lineage Upstream: 0 Downstream: 32
Modified
Published: 29 Apr 2019, 17:07
Last modified:04 Aug 2024, 22:55

Vulnerability Summary

Overall Risk (default)
medium
38/100
CVSS Score
7 HIGH
v3.1 (nvd)
EPSS Score
0.55% LOW
1% probability -0.03%
KEV
Not listed
Ransomware
No reports
Public exploits
4 found
Dark Web
Not detected

Timeline

29 Apr 2019, 17:07
Published
Vulnerability first disclosed
04 Aug 2024, 22:55
Last Modified
Vulnerability information updated

Description

The coredump implementation in the Linux kernel before 5.0.10 does not use locking or other mechanisms to prevent vma layout or vma flags changes while it runs, which allows local users to obtain sensitive information, cause a denial of service, or possibly have unspecified other impact by triggering a race condition with mmget_not_zero or get_task_mm calls. This is related to fs/userfaultfd.c, mm/mmap.c, fs/proc/task_mmu.c, and drivers/infiniband/core/uverbs_main.c.

CVSS Metrics

  • v3.1•HIGH•Score: 7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • v2.0•MEDIUM•Score: 6.9AV:L/AC:M/Au:N/C:C/I:C/A:C

EPSS Trends

Current EPSS score: 0.55%• Percentile: 68%

Techniques & Countermeasures

  • CWE-667•Improper Locking

    The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.

Affected Systems

  • linux•linux_kernel

    ≥ 2.16.12, < 3.16.66 | ≥ 3.17, < 4.4.183 | ≥ 4.5, < 4.9.188 | ≥ 4.10, < 4.14.114 | ≥ 4.15, < 4.19.37 | ≥ 4.20, < 5.0.10

References (39)