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

RHBA-2022:1172 - Bug Fix Advisory

Synopsis

updated .NET Core on Red Hat Enterprise Linux container images

Type/Severity

Bug Fix Advisory

Topic

Updated .NET Core on Red Hat Enterprise Linux container images are now available

Description

The .NET Core on Red Hat Enterprise Linux container images have been updated to address the following security advisory: RHSA-2022:1069 (see References)

Users of .NET Core on Red Hat Enterprise Linux container images are advised to upgrade to these updated images, which contain backported patches to correct these security issues, fix these bugs and add these enhancements. Users of these images are also encouraged to rebuild all container images that depend on these images.

You can find images updated by this advisory in Red Hat Container Catalog (see References).

Solution

The .NET Core on Red Hat Enterprise Linux container images provided by this update can be downloaded from the Red Hat Container Registry at registry.access.redhat.com. Installation instructions for your platform are available at Red Hat Container Catalog (see References).

Dockerfiles and scripts should be amended either to refer to this new image specifically, or to the latest image generally.

Affected Products

  • dotNET on RHEL (for RHEL Server) 1 x86_64
  • dotNET on RHEL (for RHEL Workstation) 1 x86_64
  • dotNET on RHEL (for RHEL Compute Node) 1 x86_64

Fixes

  • BZ - 2044451 - CVE-2021-45960 expat: Large number of prefixed XML attributes on a single tag can crash libexpat
  • BZ - 2044455 - CVE-2021-46143 expat: Integer overflow in doProlog in xmlparse.c
  • BZ - 2044457 - CVE-2022-22822 expat: Integer overflow in addBinding in xmlparse.c
  • BZ - 2044464 - CVE-2022-22823 expat: Integer overflow in build_model in xmlparse.c
  • BZ - 2044467 - CVE-2022-22824 expat: Integer overflow in defineAttribute in xmlparse.c
  • BZ - 2044479 - CVE-2022-22825 expat: Integer overflow in lookup in xmlparse.c
  • BZ - 2044484 - CVE-2022-22826 expat: Integer overflow in nextScaffoldPart in xmlparse.c
  • BZ - 2044488 - CVE-2022-22827 expat: Integer overflow in storeAtts in xmlparse.c
  • BZ - 2044613 - CVE-2022-23852 expat: Integer overflow in function XML_GetBuffer
  • BZ - 2056363 - CVE-2022-25315 expat: Integer overflow in storeRawNames()
  • BZ - 2056366 - CVE-2022-25235 expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution
  • BZ - 2056370 - CVE-2022-25236 expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution

dotNET on RHEL (for RHEL Server) 1

SRPM
x86_64

dotNET on RHEL (for RHEL Workstation) 1

SRPM
x86_64

dotNET on RHEL (for RHEL Compute Node) 1

SRPM
x86_64

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.