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cve[email protected]CVE-2019-20934
HistoryNov 28, 2020 - 7:15 a.m.

CVE-2019-20934

2020-11-2807:15:11
CWE-416
[email protected]
web.nvd.nist.gov
278
4
linux
kernel
vulnerability
numa
use-after-free
cid-16d51a590a8c

CVSS2

5.4

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

5.3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H

AI Score

6.5

Confidence

Low

EPSS

0

Percentile

12.6%

JSON

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.

Affected configurations

NVD
Node
linuxlinux_kernelRange4.19โ€“4.19.64
OR
linuxlinux_kernelRange5.2โ€“5.2.17
OR
linuxlinux_kernelMatch5.3rc1
VendorProductVersionCPE
linuxlinux_kernelcpe:/o:linux:linux_kernel::::
linuxlinux_kernel5.3cpe:/o:linux:linux_kernel:5.3:rc1::

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CVSS2

5.4

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

5.3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H

AI Score

6.5

Confidence

Low

EPSS

0

Percentile

12.6%

JSON
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