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Review reviewHigh

CVE-2025-71136

Linux Linux, linux kernel

In the Linux kernel, the following vulnerability has been resolved: media: adv7842: Avoid possible out-of-bounds array accesses in adv7842_cp_log_status() It's possible for cp_read() and hdmi_read() to return -EIO. Those values are further used as indexes for accessing arrays. Fix that by checking return values where it's needed. Found by Linux Verification Center (linuxtesting.org) with SVACE.

CVSS
7.1
EPSS
0.12%
1.94% percentile
CISA KEV
Not listed
Published
2026.01.15
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.12%
Technical severityCVSS 7.1

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: media: adv7842: Avoid possible out-of-bounds array accesses in adv7842_cp_log_status() It's possible for cp_read() and hdmi_read() to return -EIO. Those values are further used as indexes for accessing arrays. Fix that by checking return values where it's needed. Found by Linux Verification Center (linuxtesting.org) with SVACE.

Affected product and versions

Product
Linux Linux, linux kernel
Affected versions
>= a89bcd4c6c2023615a89001b5a11b0bb77eb9491 < f81ee181cb036d046340c213091b69d9a8701a76, >= a89bcd4c6c2023615a89001b5a11b0bb77eb9491 < f913b9a2ccd6114b206b9e91dae5e3dc13a415a0, >= a89bcd4c6c2023615a89001b5a11b0bb77eb9491 < d6a22a4a96e4dfe6897cb3532d2b3016d87706f0, >= a89bcd4c6c2023615a89001b5a11b0bb77eb9491 < a73881ae085db5702d8b13e2fc9f78d51c723d3f, >= a89bcd4c6c2023615a89001b5a11b0bb77eb9491 < 60dde0960e3ead8a9569f6c494d90d0232ac0983, >= a89bcd4c6c2023615a89001b5a11b0bb77eb9491 < b693d48a6ed0cd09171103ad418e4a693203d6e4, >= a89bcd4c6c2023615a89001b5a11b0bb77eb9491 < 8163419e3e05d71dcfa8fb49c8fdf8d76908fe51, >= 3.12, >= 3.12.1 < 5.10.248, >= 5.11 < 5.15.198, >= 5.16 < 6.1.160, >= 6.2 < 6.6.120, >= 6.7 < 6.12.64, >= 6.13 < 6.18.4, 3.12, 6.19
Fixed versions
5.10.248, 5.15.198, 6.1.160, 6.6.120, 6.12.64, 6.18.4

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:N/A:H
CWE
CWE-125