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Review reviewHigh

CVE-2024-46815

Linux Linux, linux kernel

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.

CVSS
7.8
EPSS
-
- percentile
CISA KEV
Not listed
Published
2024.09.27
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability-
Technical severityCVSS 7.8

Vulnerability overview

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 product and versions

Product
Linux Linux, linux kernel
Affected versions
>= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < a72d4996409569027b4609414a14a87679b12267, >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 7c47dd2e92341f2989ab73dbed07f8894593ad7b, >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < c4a7f7c0062fe2c73f70bb7e335199e25bd71492, >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < b36e9b3104c4ba0f2f5dd083dcf6159cb316c996, >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 21f9cb44f8c60bf6c26487d428b1a09ad3e8aebf, >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 6a4a08e45e614cfa7a56498cdfaeb7fae2f07fa0, >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < b38a4815f79b87efb196cd5121579fc51e29a7fb, >= 4.15, < 5.4.284, >= 5.10 < 5.10.226, >= 5.11 < 5.15.167, >= 5.16 < 6.1.109, >= 6.2 < 6.6.50, >= 6.7 < 6.10.9
Fixed versions
5.4.284, 5.10.226, 5.15.167, 6.1.109, 6.6.50, 6.10.9

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, linux kernel and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
Not available
CVE-2024-46815 — Linux Linux, linux kernel | SECUFOCUS NOW