QID 240199

Date Published: 2022-04-06

QID 240199: Red Hat Update for kernel security (RHSA-2022:1198)

the kernel packages contain the linux kernel, the core of any linux operating system.

Security Fix(es):
  • 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)

Affected Products:

  • Red Hat enterprise linux server 7 x86_64
  • Red Hat enterprise linux workstation 7 x86_64
  • Red Hat enterprise linux desktop 7 x86_64
  • Red Hat enterprise linux for ibm z systems 7 s390x
  • Red Hat enterprise linux for power, big endian 7 ppc64
  • Red Hat enterprise linux for scientific computing 7 x86_64
  • Red Hat enterprise linux for power, little endian 7 ppc64le
  • Red Hat virtualization host 4 for rhel 7 x86_64



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a security breach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as High - 7 severity.
  • CVSS V2 rated as High - 6.9 severity.
    • Solution
    Refer to Red Hat security advisory RHSA-2022:1198 for updates and patch information.
    Vendor References

    CVEs related to QID 240199

    CVE-2021-4028 | CVE-2021-4083 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2022:1198 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2022:1198
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