CVE-2022-49435

mfd: davinci_voicecodec: Fix possible null-ptr-deref davinci_vc_probe()

MEDIUM

5.5

CVSS Score

Published: February 26, 2025 at 02:12 AM UTC

Updated: June 17, 2026 at 05:18 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.3%

Description

In the Linux kernel, the following vulnerability has been resolved: mfd: davinci_voicecodec: Fix possible null-ptr-deref davinci_vc_probe() It will cause null-ptr-deref when using 'res', if platform_get_resource() returns NULL, so move using 'res' after devm_ioremap_resource() that will check it to avoid null-ptr-deref. And use devm_platform_get_and_ioremap_resource() to simplify code.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

5.11 ≤ v < 5.15.465.16 ≤ v < 5.17.145.18 ≤ v < 5.18.35.4 ≤ v < 5.10.1215.4 ≤ v < 5.15.465.4 ≤ v < 5.17.145.4 ≤ v < 5.18.35.4 ≤ v < 5.195.4 ≤ v < 5.4.1985.5 ≤ v < 5.10.1215.4b5e29aa880be84c271be8d0726cec4018bfbfd74

Vendor states this is fixed in 2d00158a06efe6bbcd020108634ea0f2ed8b32f7 (fixed)

Vendor states this is fixed in 311242c7703df0da14c206260b7e855f69cb0264 (fixed)

Vendor states this is fixed in 49c1e32e7b3f301642a60448700ec531df981269 (fixed)

Vendor states this is fixed in 5289795824b77489803b0802cd9edc13824a2d0b (fixed)

Vendor states this is fixed in 579944b9f38727d9ff570b58f83bc424e8af8398 (fixed)

Vendor states this is fixed in a1d4941d9a24999f680799f9bbde7f57351ca637 (fixed)

Vendor states this is fixed in 5.10.121 (unaffected)

Vendor states this is fixed in 5.15.46 (unaffected)

Vendor states this is fixed in 5.17.14 (unaffected)

Vendor states this is fixed in 5.18.3 (unaffected)

Vendor states this is fixed in 5.19 (unaffected)

Vendor states this is fixed in 5.4 (unaffected)