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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2024-46705
HistorySep 13, 2024 - 7:15 a.m.

CVE-2024-46705

2024-09-1307:15:05
Debian Security Bug Tracker
security-tracker.debian.org
2
linux kernel
vulnerability
resolved
drm/xe
reset mmio mappings
devm
rogue
device removal
unmapped
carnage

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7

Confidence

Low

EPSS

0

Percentile

9.6%

In the Linux kernel, the following vulnerability has been resolved: drm/xe: reset mmio mappings with devm Set our various mmio mappings to NULL. This should make it easier to catch something rogue trying to mess with mmio after device removal. For example, we might unmap everything and then start hitting some mmio address which has already been unmamped by us and then remapped by something else, causing all kinds of carnage.

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7

Confidence

Low

EPSS

0

Percentile

9.6%

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