CVE-2024-46718

drm/xe: Don't overmap identity VRAM mapping

MEDIUM
5.5
CVSS Score
Published: September 18, 2024 at 06:32 AM UTC
Updated: June 17, 2026 at 07:55 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Don't overmap identity VRAM mapping Overmapping the identity VRAM mapping is triggering hardware bugs on certain platforms. Use 2M pages for the last unaligned (to 1G) VRAM chunk. v2: - Always use 2M pages for last chunk (Fei Yang) - break loop when 2M pages are used - Add assert for usable_size being 2M aligned v3: - Fix checkpatch

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

6.8 ≤ v < 6.10.96.8 ≤ v < 6.116.8dd08ebf6c3525a7ea2186e636df064ea47281987
Vendor states this is fixed in 6d3581edffea0b3a64b0d3094d3f09222e0024f7 (fixed)
Vendor states this is fixed in bb706e92c87beb9f2543faa1705ccc330b9e7c65 (fixed)
Vendor states this is fixed in 6.10.9 (unaffected)
Vendor states this is fixed in 6.11 (unaffected)
Vendor states this is fixed in 6.8 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/6d3581edffea0b3a64b0d3094d3f09222e0024f7
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/bb706e92c87beb9f2543faa1705ccc330b9e7c65

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
NVD-CWE-noinfo

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