CVE-2019-20934 Detail

Current Description

An issue was discovered in the Linux kernel before 5.2.6. On NUMA systems, the Linux fair scheduler has a use-after-free in show_numa_stats() because NUMA fault statistics are inappropriately freed, aka CID-16d51a590a8c.

View Analysis Description

Analysis Description

An issue was discovered in the Linux kernel before 5.2.6. On NUMA systems, the Linux fair scheduler has a use-after-free in show_numa_stats() because NUMA fault statistics are inappropriately freed, aka CID-16d51a590a8c.

Severity

CVSS 3.x Severity and Metrics:

CVSS 2.0 Severity and Metrics:

References to Advisories, Solutions, and Tools

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Weakness Enumeration

CWE-ID CWE Name Source
CWE-416 Use After Free NIST  

Change History

1 change records found show changes

Initial Analysis 11/30/2020 12:33:21 PM

Action Type Old Value New Value
Added CPE Configuration
OR
     *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.2.6
Added CVSS V2
NIST (AV:L/AC:M/Au:N/C:N/I:N/A:P)
Added CVSS V3.1
NIST AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
Added CWE
NIST CWE-416
Changed Reference Type
https://bugs.chromium.org/p/project-zero/issues/detail?id=1913 No Types Assigned
https://bugs.chromium.org/p/project-zero/issues/detail?id=1913 Issue Tracking, Vendor Advisory
Changed Reference Type
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.6 No Types Assigned
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.6 Vendor Advisory
Changed Reference Type
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=16d51a590a8ce3befb1308e0e7ab77f3b661af33 No Types Assigned
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=16d51a590a8ce3befb1308e0e7ab77f3b661af33 Patch, Vendor Advisory

Quick Info

CVE Dictionary Entry:
CVE-2019-20934
NVD Published Date:
11/28/2020
NVD Last Modified:
11/30/2020
Source:
MITRE