Review reviewHigh

CVE-2024-46811

Linux Linux, linux kernel

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix index may exceed array range within fpu_update_bw_bounding_box [Why] Coverity reports OVERRUN warning. soc.num_states could be 40. But array range of bw_params->clk_table.entries is 8. [How] Assert if soc.num_states greater than 8.

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: Fix index may exceed array range within fpu_update_bw_bounding_box [Why] Coverity reports OVERRUN warning. soc.num_states could be 40. But array range of bw_params->clk_table.entries is 8. [How] Assert if soc.num_states greater than 8.

Affected product and versions

Product
Linux Linux, linux kernel
Affected versions
>= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 4003bac784380fed1f94f197350567eaa73a409d, >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < aba188d6f4ebaf52acf13f204db2bd2c22072504, >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 188fd1616ec43033cedbe343b6579e9921e2d898, >= 4.15, < 6.6.50, >= 6.7 < 6.10.9
Fixed versions
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
CWE-129
CVE-2024-46811 — Linux Linux, linux kernel | SECUFOCUS NOW