CVE-2024-46815

drm/amd/display: Check num_valid_sets before accessing reader_wm_sets[]

HIGH
7.8
CVSS Score
Published: September 27, 2024 at 12:35 PM UTC
Updated: August 5, 2026 at 12:04 PM 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/display: Check num_valid_sets before accessing reader_wm_sets[] [WHY & HOW] num_valid_sets needs to be checked to avoid a negative index when accessing reader_wm_sets[num_valid_sets - 1]. This fixes an OVERRUN issue reported by Coverity.

Affected

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

v < 5.4.2844.15 ≤ v < 5.10.2264.15 ≤ v < 5.15.1674.15 ≤ v < 5.4.2844.15 ≤ v < 6.1.1094.15 ≤ v < 6.10.94.15 ≤ v < 6.114.15 ≤ v < 6.6.505.10 ≤ v < 5.10.2265.11 ≤ v < 5.15.1675.16 ≤ v < 6.1.1096.2 ≤ v < 6.6.506.7 ≤ v < 6.10.94.154562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c
Vendor states this is fixed in 21f9cb44f8c60bf6c26487d428b1a09ad3e8aebf (fixed)
Vendor states this is fixed in 6a4a08e45e614cfa7a56498cdfaeb7fae2f07fa0 (fixed)
Vendor states this is fixed in 7c47dd2e92341f2989ab73dbed07f8894593ad7b (fixed)
Vendor states this is fixed in a72d4996409569027b4609414a14a87679b12267 (fixed)
Vendor states this is fixed in b36e9b3104c4ba0f2f5dd083dcf6159cb316c996 (fixed)
Vendor states this is fixed in b38a4815f79b87efb196cd5121579fc51e29a7fb (fixed)
Vendor states this is fixed in c4a7f7c0062fe2c73f70bb7e335199e25bd71492 (fixed)
Vendor states this is fixed in 4.15 (unaffected)
Vendor states this is fixed in 5.10.226 (unaffected)
Vendor states this is fixed in 5.15.167 (unaffected)
Vendor states this is fixed in 5.4.284 (unaffected)
Vendor states this is fixed in 6.1.109 (unaffected)
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 6.6.50 (unaffected)

References (9)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/21f9cb44f8c60bf6c26487d428b1a09ad3e8aebf
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/6a4a08e45e614cfa7a56498cdfaeb7fae2f07fa0
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/7c47dd2e92341f2989ab73dbed07f8894593ad7b
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/a72d4996409569027b4609414a14a87679b12267
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/b36e9b3104c4ba0f2f5dd083dcf6159cb316c996
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/b38a4815f79b87efb196cd5121579fc51e29a7fb
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/c4a7f7c0062fe2c73f70bb7e335199e25bd71492
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html

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

StatusMODIFIED
CWE
NVD-CWE-noinfo

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