CVE-2019-20934

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.

CVSS v3 5.3 MEDIUM
CVSS v2.0 5.4 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.0 / Impact : 4.2

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.4^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.4 / Impact : 7.8

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://bugs.chromium.org/p/project-zero/issues/detail?id=1913	Issue Tracking Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.6	Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=16d51a590a8ce3befb1308e0e7ab77f3b661af33	Patch Vendor Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=1913	Issue Tracking Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.6	Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=16d51a590a8ce3befb1308e0e7ab77f3b661af33	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:5.3:rc1::::::

History

No history.

Information

Published : 2020-11-28 07:15

Updated : 2024-11-21 04:39

NVD link : CVE-2019-20934

Mitre link : CVE-2019-20934

CVE.ORG link : CVE-2019-20934

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-416

Use After Free

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