发布于3月6日3月6日 Members Ubuntu: (CVE-2021-47307): 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: cifs: prevent NULL deref in cifs_compose_mount_options() The optional @ref parameter might contain an NULL node_name, so prevent dereferencing it in cifs_compose_mount_options(). Addresses-Coverity: 1476408 ("Explicit null dereferenced") 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-2021-47307 CVE - 2021-47307 https://git.kernel.org/linus/03313d1c3a2f086bb60920607ab79ac8f8578306 https://git.kernel.org/stable/c/03313d1c3a2f086bb60920607ab79ac8f8578306 https://git.kernel.org/stable/c/ae3d181f4e912f51af7776ea165f199b16fc165d https://git.kernel.org/stable/c/e58c162789becede894d3e94c0ce6695a2ef5796 https://git.kernel.org/stable/c/f7d1fa65e74263d11f90ddd33b4d4cd905a93759 https://www.cve.org/CVERecord?id=CVE-2021-47307 View more
