UBUNTU-CVE-2021-47211
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UBUNTU-CVE-2021-47211
Summary:
Details: In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: fix null pointer dereference on pointer cs_desc The pointer cs_desc return from snd_usb_find_clock_source could be null, so there is a potential null pointer dereference issue. Fix this by adding a null check before dereference.
References: https://ubuntu.com/security/CVE-2021-47211, https://git.kernel.org/linus/b97053df0f04747c3c1e021ecbe99db675342954, https://git.kernel.org/stable/c/58fa50de595f152900594c28ec9915c169643739, https://git.kernel.org/stable/c/b97053df0f04747c3c1e021ecbe99db675342954, https://www.cve.org/CVERecord?id=CVE-2021-47211, https://ubuntu.com/security/notices/USN-7553-1, https://ubuntu.com/security/notices/USN-7553-2, https://ubuntu.com/security/notices/USN-7554-1, https://ubuntu.com/security/notices/USN-7554-2, https://ubuntu.com/security/notices/USN-7554-3, https://ubuntu.com/security/notices/USN-7553-3, https://ubuntu.com/security/notices/USN-7553-4, https://ubuntu.com/security/notices/USN-7553-5, https://ubuntu.com/security/notices/USN-7553-6, https://ubuntu.com/security/notices/USN-7585-1, https://ubuntu.com/security/notices/USN-7585-2, https://ubuntu.com/security/notices/USN-7585-3, https://ubuntu.com/security/notices/USN-7585-4, https://ubuntu.com/security/notices/USN-7585-5, https://ubuntu.com/security/notices/USN-7585-6, https://ubuntu.com/security/notices/USN-7585-7, https://ubuntu.com/security/notices/USN-7640-1
Affected packages
Package
Name: linux
Purl: pkg:deb/ubuntu/linux?arch=source&distro=esm-infra-legacy%2Ftrusty
Affected ranges
Type: ECOSYSTEM
Events:
