SECUFOCUSNOW
Home›CVE index›CVE-2022-50437
Review reviewHigh

CVE-2022-50437

Linux Linux, linux kernel

In the Linux kernel, the following vulnerability has been resolved: drm/msm/hdmi: fix memory corruption with too many bridges Add the missing sanity check on the bridge counter to avoid corrupting data beyond the fixed-sized bridge array in case there are ever more than eight bridges. Patchwork: https://patchwork.freedesktop.org/patch/502670/

CVSS
7.8
EPSS
0.15%
5.01% percentile
CISA KEV
Not listed
Published
2025.10.01
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.15%
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: drm/msm/hdmi: fix memory corruption with too many bridges Add the missing sanity check on the bridge counter to avoid corrupting data beyond the fixed-sized bridge array in case there are ever more than eight bridges. Patchwork: https://patchwork.freedesktop.org/patch/502670/

Affected product and versions

Product
Linux Linux, linux kernel
Affected versions
>= a3376e3ec81c5dd0622cbc187db76d2824d31c1c < a9c1a6991a9b5aa6d0f2cbc9b8c3bf6c4d094dfa, >= a3376e3ec81c5dd0622cbc187db76d2824d31c1c < e8f916b84e4b028ecad6c6472eaad543cc7df806, >= a3376e3ec81c5dd0622cbc187db76d2824d31c1c < 3c43f3ec731c233eb84b66199ee76dbf3ec6ecae, >= a3376e3ec81c5dd0622cbc187db76d2824d31c1c < ed7f1ff87a4afea1bc220d2ff00a7ce8e61f0b53, >= a3376e3ec81c5dd0622cbc187db76d2824d31c1c < 08c7375fa27a8ceee028868e03ffb3a0db919d44, >= a3376e3ec81c5dd0622cbc187db76d2824d31c1c < b48949ab451eaf1e2c04c272c8a9a96a2b56546f, >= a3376e3ec81c5dd0622cbc187db76d2824d31c1c < 9efb45b45ff6254bfd1f1997a06725cb3fc998a5, >= a3376e3ec81c5dd0622cbc187db76d2824d31c1c < 4c1294da6aed1f16d47a417dcfe6602833c3c95c, >= 3.12, >= 3.12 < 4.9.332, >= 4.10 < 4.14.298, >= 4.15 < 4.19.264, >= 4.20 < 5.4.223, >= 5.5 < 5.10.153, >= 5.11 < 5.15.77, >= 5.16 < 6.0.7, 6.1
Fixed versions
4.9.332, 4.14.298, 4.19.264, 5.4.223, 5.10.153, 5.15.77, 6.0.7

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-787