CVE-2023-52818

drm/amd: Fix UBSAN array-index-out-of-bounds for SMU7

HIGH
7.8
CVSS Score
Published: May 21, 2024 at 03:31 PM UTC
Updated: June 17, 2026 at 06:43 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd: Fix UBSAN array-index-out-of-bounds for SMU7 For pptable structs that use flexible array sizes, use flexible arrays.

Affected

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

v < 4.14.3314.15 ≤ v < 4.19.3004.20 ≤ v < 5.4.2624.5 ≤ v < 4.14.3314.5 ≤ v < 4.19.3004.5 ≤ v < 5.10.2024.5 ≤ v < 5.15.1404.5 ≤ v < 5.4.2624.5 ≤ v < 6.1.644.5 ≤ v < 6.5.134.5 ≤ v < 6.6.34.5 ≤ v < 6.75.11 ≤ v < 5.15.1405.16 ≤ v < 6.1.645.5 ≤ v < 5.10.2026.2 ≤ v < 6.5.136.6 ≤ v < 6.6.34.5c82baa28184356a75c0157129f88af42b2e7b695
Vendor states this is fixed in 6dffdddfca818c02a42b6caa1d9845995f0a1f94 (fixed)
Vendor states this is fixed in 760efbca74a405dc439a013a5efaa9fadc95a8c3 (fixed)
Vendor states this is fixed in 8af28ae3acb736ada4ce3457662fa446cc913bb4 (fixed)
Vendor states this is fixed in 92a775e7c9707aed28782bafe636bf87675f5a97 (fixed)
Vendor states this is fixed in acdb6830de02cf2873aeaccdf2d9bca4aee50e47 (fixed)
Vendor states this is fixed in c847379a5d00078ad6fcb1c24230e72c5609342f (fixed)
Vendor states this is fixed in cfd8cd907fd94538561479a43aea455f5cf16928 (fixed)
Vendor states this is fixed in e52e324a21341c97350d5f11de14721c1c609498 (fixed)
Vendor states this is fixed in fc9ac0e8e0bcb3740c6eaad3a1a50c20016d422b (fixed)
Vendor states this is fixed in 4.14.331 (unaffected)
Vendor states this is fixed in 4.19.300 (unaffected)
Vendor states this is fixed in 4.5 (unaffected)
Vendor states this is fixed in 5.10.202 (unaffected)
Vendor states this is fixed in 5.15.140 (unaffected)
Vendor states this is fixed in 5.4.262 (unaffected)
Vendor states this is fixed in 6.1.64 (unaffected)
Vendor states this is fixed in 6.5.13 (unaffected)
Vendor states this is fixed in 6.6.3 (unaffected)
Vendor states this is fixed in 6.7 (unaffected)

References (9)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/6dffdddfca818c02a42b6caa1d9845995f0a1f94
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/760efbca74a405dc439a013a5efaa9fadc95a8c3
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/8af28ae3acb736ada4ce3457662fa446cc913bb4
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/92a775e7c9707aed28782bafe636bf87675f5a97
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/acdb6830de02cf2873aeaccdf2d9bca4aee50e47
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/c847379a5d00078ad6fcb1c24230e72c5609342f
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/cfd8cd907fd94538561479a43aea455f5cf16928
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/e52e324a21341c97350d5f11de14721c1c609498

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
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-129

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