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ubuntucveUbuntu.comUB:CVE-2020-25285
HistorySep 13, 2020 - 12:00 a.m.

CVE-2020-25285

2020-09-1300:00:00
ubuntu.com
ubuntu.com
20
race condition
linux kernel
hugetlb
sysctl handlers
memory corruption
null pointer
local attackers

CVSS2

4.4

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

6.4

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0

Percentile

5.1%

JSON

A race condition between hugetlb sysctl handlers in mm/hugetlb.c in the
Linux kernel before 5.8.8 could be used by local attackers to corrupt
memory, cause a NULL pointer dereference, or possibly have unspecified
other impact, aka CID-17743798d812.

OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchlinux< 5.4.0-51.56UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-193.224UNKNOWN
ubuntu18.04noarchlinux< 4.15.0-126.129UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1028.29UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1117.131UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1088.93UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1081.85UNKNOWN
ubuntu18.04noarchlinux-aws-5.4< 5.4.0-1028.29~18.04.1UNKNOWN
ubuntu20.04noarchlinux-azure< 5.4.0-1031.32UNKNOWN
ubuntu14.04noarchlinux-azure< 4.15.0-1100.111~14.04.1UNKNOWN
Rows per page:
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CVSS2

4.4

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

6.4

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0

Percentile

5.1%

JSON
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