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ubuntucveUbuntu.comUB:CVE-2022-41222
HistorySep 21, 2022 - 12:00 a.m.

CVE-2022-41222

2022-09-2100:00:00
ubuntu.com
ubuntu.com
28
linux
kernel
use-after-free
vulnerability
cve-2022-41222
pud
move
tlb

CVSS3

7

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

EPSS

0.001

Percentile

41.2%

mm/mremap.c in the Linux kernel before 5.13.3 has a use-after-free via a
stale TLB because an rmap lock is not held during a PUD move.

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CVSS3

7

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

EPSS

0.001

Percentile

41.2%