Issued:
2022-04-07
Updated:
2022-04-07

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

Synopsis

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

Type/Severity

Security Advisory Important

Topic

An update for redhat-release-virtualization-host and redhat-virtualization-host is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host. Red Hat Virtualization Hosts (RHVH) are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks.

Security Fix(es):

  • kernel: Use After Free in unix_gc() which could result in a local privilege escalation (CVE-2021-0920)

  • kernel: use-after-free in RDMA listen() (CVE-2021-4028)

  • kernel: fget: check that the fd still exists after getting a ref to it (CVE-2021-4083)

  • kernel: xfs: raw block device data leak in XFS_IOC_ALLOCSP IOCTL (CVE-2021-4155)

  • aide: heap-based buffer overflow on outputs larger than B64_BUF (CVE-2021-45417)

  • kernel: possible privileges escalation due to missing TLB flush (CVE-2022-0330)

  • openssl: Infinite loop in BN_mod_sqrt() reachable when parsing certificates (CVE-2022-0778)

  • kernel: failing usercopy allows for use-after-free exploitation (CVE-2022-22942)

  • cyrus-sasl: failure to properly escape SQL input allows an attacker to execute arbitrary SQL commands (CVE-2022-24407)

  • expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution (CVE-2022-25235)

  • expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution (CVE-2022-25236)

  • expat: Integer overflow in storeRawNames() (CVE-2022-25315)

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.

Bug Fix(es):

  • RHV-H has been rebased on RHEL-7.9.z #13 (BZ#2048409)

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/2974891

Affected Products

ProductVersionArch
Red Hat Virtualization4x86_64
Red Hat Virtualization Host4x86_64

Updated Packages

  • redhat-virtualization-host-4.3.22-20220330.1.el7_9.src.rpm
  • redhat-release-virtualization-host-4.3.22-1.el7ev.src.rpm
  • redhat-release-virtualization-host-4.3.22-1.el7ev.x86_64.rpm
  • redhat-virtualization-host-image-update-placeholder-4.3.22-1.el7ev.noarch.rpm
  • redhat-virtualization-host-image-update-4.3.22-20220330.1.el7_9.noarch.rpm
  • redhat-virtualization-host-productimg-4.3.22-1.el7.src.rpm
  • redhat-virtualization-host-productimg-4.3.22-1.el7.x86_64.rpm

Fixes

CVEs

References

Additional information