RHSA-2022:1263: Important: RHV-H security update (redhat-virtualization-host) 4.3.22

First published: Thu Apr 07 2022(Updated: )

The redhat-virtualization-host packages provide the Red Hat Virtualization Host.<br>These packages include redhat-release-virtualization-host. Red Hat<br>Virtualization Hosts (RHVH) are installed using a special build of Red Hat<br>Enterprise Linux with only the packages required to host virtual machines. <br>RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks.<br>Security Fix(es):<br><li> kernel: Use After Free in unix_gc() which could result in a local privilege escalation (CVE-2021-0920)</li> <li> kernel: use-after-free in RDMA listen() (CVE-2021-4028)</li> <li> kernel: fget: check that the fd still exists after getting a ref to it (CVE-2021-4083)</li> <li> kernel: xfs: raw block device data leak in XFS_IOC_ALLOCSP IOCTL (CVE-2021-4155)</li> <li> aide: heap-based buffer overflow on outputs larger than B64_BUF (CVE-2021-45417)</li> <li> kernel: possible privileges escalation due to missing TLB flush (CVE-2022-0330)</li> <li> openssl: Infinite loop in BN_mod_sqrt() reachable when parsing certificates (CVE-2022-0778)</li> <li> kernel: failing usercopy allows for use-after-free exploitation (CVE-2022-22942)</li> <li> cyrus-sasl: failure to properly escape SQL input allows an attacker to execute arbitrary SQL commands (CVE-2022-24407)</li> <li> expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution (CVE-2022-25235)</li> <li> expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution (CVE-2022-25236)</li> <li> expat: Integer overflow in storeRawNames() (CVE-2022-25315)</li> For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.<br>Bug Fix(es):<br><li> RHV-H has been rebased on RHEL-7.9.z #13 (BZ#2048409)</li>

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