发布于3月6日3月6日 Members Ubuntu: (CVE-2021-47332): linux vulnerability Severity 5 CVSS (AV:L/AC:L/Au:S/C:N/I:N/A:C) Published 05/21/2024 Created 11/21/2024 Added 11/19/2024 Modified 02/11/2025 Description In the Linux kernel, the following vulnerability has been resolved: ALSA: usx2y: Don't call free_pages_exact() with NULL address Unlike some other functions, we can't pass NULL pointer to free_pages_exact().Add a proper NULL check for avoiding possible Oops. Solution(s) ubuntu-upgrade-linux ubuntu-upgrade-linux-aws ubuntu-upgrade-linux-aws-5-4 ubuntu-upgrade-linux-aws-fips ubuntu-upgrade-linux-azure ubuntu-upgrade-linux-azure-5-4 ubuntu-upgrade-linux-azure-fips ubuntu-upgrade-linux-bluefield ubuntu-upgrade-linux-fips ubuntu-upgrade-linux-gcp ubuntu-upgrade-linux-gcp-5-4 ubuntu-upgrade-linux-gcp-fips ubuntu-upgrade-linux-gkeop ubuntu-upgrade-linux-hwe-5-4 ubuntu-upgrade-linux-ibm ubuntu-upgrade-linux-kvm ubuntu-upgrade-linux-oracle ubuntu-upgrade-linux-oracle-5-4 ubuntu-upgrade-linux-raspi ubuntu-upgrade-linux-raspi-5-4 References https://attackerkb.com/topics/cve-2021-47332 CVE - 2021-47332 https://git.kernel.org/linus/cae0cf651adccee2c3f376e78f30fbd788d0829f https://git.kernel.org/stable/c/7d7f30cf182e55023fa8fde4c084b2d37c6be69d https://git.kernel.org/stable/c/82e5ee742fdd8874fe996181b87fafe1eb5f1196 https://git.kernel.org/stable/c/88262229b778f4f7a896da828d966f94dcb35d19 https://git.kernel.org/stable/c/bee295f5e03510252d18b25cc1d26230256eb87a https://git.kernel.org/stable/c/cae0cf651adccee2c3f376e78f30fbd788d0829f https://www.cve.org/CVERecord?id=CVE-2021-47332 View more