QID 240100

Date Published: 2022-02-24

QID 240100: Red Hat Update for kernel (RHSA-2022:0636)

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

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: xfs: raw block device data leak in xfs_ioc_allocsp ioctl (cve-2021-4155)

Affected Products:

  • Red Hat enterprise linux for x86_64 - extended update support 8.2 x86_64
  • Red Hat enterprise linux server - aus 8.2 x86_64
  • Red Hat enterprise linux for ibm z systems - extended update support 8.2 s390x
  • Red Hat enterprise linux for power, little endian - extended update support 8.2 ppc64le
  • Red Hat enterprise linux server - tus 8.2 x86_64
  • Red Hat enterprise linux for arm 64 - extended update support 8.2 aarch64
  • Red Hat enterprise linux server (for ibm power le) - update services for sap solutions 8.2 ppc64le
  • Red Hat enterprise linux server - update services for sap solutions 8.2 x86_64
  • Red Hat codeready linux builder for x86_64 - extended update support 8.2 x86_64
  • Red Hat codeready linux builder for power, little endian - extended update support 8.2 ppc64le
  • Red Hat codeready linux builder for arm 64 - extended update support 8.2 aarch64



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 - 6.4 severity.
  • CVSS V2 rated as High - 6.9 severity.
    • Solution
    Refer to Red Hat security advisory RHSA-2022:0636 for updates and patch information.
    Vendor References

    CVEs related to QID 240100

    CVE-2021-0920 | CVE-2021-4028 | CVE-2021-4155 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2022:0636 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2022:0636
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