发布于3月6日3月6日 Members Ubuntu: (Multiple Advisories) (CVE-2023-52806): Linux kernel vulnerabilities Severity 5 CVSS (AV:L/AC:L/Au:S/C:N/I:N/A:C) Published 05/21/2024 Created 08/23/2024 Added 08/22/2024 Modified 01/28/2025 Description In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: Fix possible null-ptr-deref when assigning a stream While AudioDSP drivers assign streams exclusively of HOST or LINK type, nothing blocks a user to attempt to assign a COUPLED stream. As supplied substream instance may be a stub, what is the case when code-loading, such scenario ends with null-ptr-deref. Solution(s) ubuntu-upgrade-linux-image-4-15-0-1134-oracle ubuntu-upgrade-linux-image-4-15-0-1155-kvm ubuntu-upgrade-linux-image-4-15-0-1165-gcp ubuntu-upgrade-linux-image-4-15-0-1172-aws ubuntu-upgrade-linux-image-4-15-0-1180-azure ubuntu-upgrade-linux-image-4-15-0-228-generic ubuntu-upgrade-linux-image-4-15-0-228-lowlatency ubuntu-upgrade-linux-image-4-4-0-1135-aws ubuntu-upgrade-linux-image-4-4-0-1136-kvm ubuntu-upgrade-linux-image-4-4-0-1173-aws ubuntu-upgrade-linux-image-4-4-0-258-generic ubuntu-upgrade-linux-image-4-4-0-258-lowlatency ubuntu-upgrade-linux-image-aws ubuntu-upgrade-linux-image-aws-hwe ubuntu-upgrade-linux-image-aws-lts-18-04 ubuntu-upgrade-linux-image-azure ubuntu-upgrade-linux-image-azure-lts-18-04 ubuntu-upgrade-linux-image-gcp ubuntu-upgrade-linux-image-gcp-lts-18-04 ubuntu-upgrade-linux-image-generic ubuntu-upgrade-linux-image-generic-hwe-16-04 ubuntu-upgrade-linux-image-generic-lts-xenial ubuntu-upgrade-linux-image-gke ubuntu-upgrade-linux-image-kvm ubuntu-upgrade-linux-image-lowlatency ubuntu-upgrade-linux-image-lowlatency-hwe-16-04 ubuntu-upgrade-linux-image-lowlatency-lts-xenial ubuntu-upgrade-linux-image-oem ubuntu-upgrade-linux-image-oracle ubuntu-upgrade-linux-image-oracle-lts-18-04 ubuntu-upgrade-linux-image-virtual ubuntu-upgrade-linux-image-virtual-hwe-16-04 ubuntu-upgrade-linux-image-virtual-lts-xenial References https://attackerkb.com/topics/cve-2023-52806 CVE - 2023-52806 USN-6972-1 USN-6972-2 USN-6972-3 USN-6972-4 USN-6976-1
