CVE-2025-71136

media: adv7842: Avoid possible out-of-bounds array accesses in adv7842_cp_log_status()

State: Published
Severity: 7.1 High
Published: Jan 14, 2026
Updated: Aug 5, 2026
Reserved: Jan 13, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	7.1 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H	Linux

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	a89bcd4c6c2023615a89001b5a11b0bb77eb9491 to before f81ee181cb036d046340c213091b69d9a8701a76Affected a89bcd4c6c2023615a89001b5a11b0bb77eb9491 to before f913b9a2ccd6114b206b9e91dae5e3dc13a415a0Affected a89bcd4c6c2023615a89001b5a11b0bb77eb9491 to before d6a22a4a96e4dfe6897cb3532d2b3016d87706f0Affected a89bcd4c6c2023615a89001b5a11b0bb77eb9491 to before a73881ae085db5702d8b13e2fc9f78d51c723d3fAffected a89bcd4c6c2023615a89001b5a11b0bb77eb9491 to before 60dde0960e3ead8a9569f6c494d90d0232ac0983Affected a89bcd4c6c2023615a89001b5a11b0bb77eb9491 to before b693d48a6ed0cd09171103ad418e4a693203d6e4Affected a89bcd4c6c2023615a89001b5a11b0bb77eb9491 to before 8163419e3e05d71dcfa8fb49c8fdf8d76908fe51Affected
LinuxLinux	3.12Affected before 3.12Not affected 5.10.248 through 5.10.Not affected 5.15.198 through 5.15.Not affected 6.1.160 through 6.1.Not affected 6.6.120 through 6.6.Not affected 6.12.64 through 6.12.Not affected 6.18.4 through 6.18.Not affected 6.19 and laterNot affected

Product

Versions

LinuxLinux

a89bcd4c6c2023615a89001b5a11b0bb77eb9491 to before f81ee181cb036d046340c213091b69d9a8701a76Affected
a89bcd4c6c2023615a89001b5a11b0bb77eb9491 to before f913b9a2ccd6114b206b9e91dae5e3dc13a415a0Affected
a89bcd4c6c2023615a89001b5a11b0bb77eb9491 to before d6a22a4a96e4dfe6897cb3532d2b3016d87706f0Affected
a89bcd4c6c2023615a89001b5a11b0bb77eb9491 to before a73881ae085db5702d8b13e2fc9f78d51c723d3fAffected
a89bcd4c6c2023615a89001b5a11b0bb77eb9491 to before 60dde0960e3ead8a9569f6c494d90d0232ac0983Affected
a89bcd4c6c2023615a89001b5a11b0bb77eb9491 to before b693d48a6ed0cd09171103ad418e4a693203d6e4Affected
a89bcd4c6c2023615a89001b5a11b0bb77eb9491 to before 8163419e3e05d71dcfa8fb49c8fdf8d76908fe51Affected

LinuxLinux

3.12Affected
before 3.12Not affected
5.10.248 through 5.10.*Not affected
5.15.198 through 5.15.*Not affected
6.1.160 through 6.1.*Not affected
6.6.120 through 6.6.*Not affected
6.12.64 through 6.12.*Not affected
6.18.4 through 6.18.*Not affected
6.19 and laterNot affected

References

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