CVE-2021-47079: linux kernel Null Dereference — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: platform/x86: ideapad-laptop: fix a NULL pointer dereference The third parameter of dytc_cql_command should not be NULL since it will be dereferenced immediately.

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CVSS v3.1 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-476 CWE-476

Affected Products

Vendor	Product	Versions
linux	linux_kernel	5.12 — 5.12.7
linux	linux_kernel	All
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/beab753fe3b4e087411a850a64c6cd748544d8a1 https://git.kernel.org/stable/c/ff67dbd554b2aaa22be933eced32610ff90209dd https://git.kernel.org/stable/c/beab753fe3b4e087411a850a64c6cd748544d8a1 https://git.kernel.org/stable/c/ff67dbd554b2aaa22be933eced32610ff90209dd

Frequently Asked Questions

What is CVE-2021-47079? +

In the Linux kernel, the following vulnerability has been resolved: platform/x86: ideapad-laptop: fix a NULL pointer dereference The third parameter of dytc_cql_command should not be NULL since it will be dereferenced immediately. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2021-47079? +

CVE-2021-47079 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2021-47079? +

CVE-2021-47079 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2021-47079? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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