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osvGoogleOSV:ASB-A-248354871
HistoryFeb 01, 2023 - 12:00 a.m.

Linux kernel vulnerability advisory

2023-02-0100:00:00
Google
osv.dev
7
linux
kernel
memory corruption
vulnerability
advisory
escalation of privilege
mremap
software

7 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.2 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

41.3%

In move_page_tables of mremap.c, there is a possible memory corruption due to improper locking. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.

CPENameOperatorVersion
:linux_kernel:eqKernel

7 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.2 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

41.3%