QID 239214

Date Published: 2021-04-15

QID 239214: Red Hat Update for kernel (RHSA-2021:1171)

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es): kernel: out-of-bounds read in libiscsi module (CVE-2021-27364) kernel: heap buffer overflow in the iSCSI subsystem (CVE-2021-27365) kernel: iscsi: unrestricted access to sessions and handles (CVE-2021-27363)

Affected Products:

Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.1 x86_64
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.1 s390x
Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.1 ppc64le
Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.1 aarch64
Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.1 ppc64le
Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.1 x86_64
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 8.1 x86_64
Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 8.1 ppc64le
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 8.1 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.

On successful exploitation, it could allow an attacker to execute code.

  • CVSS V3 rated as High - 7.8 severity.
  • CVSS V2 rated as Medium - 4.6 severity.
    • Solution
    Upgrade to the latest packages which contain a patch. Refer to Applying Package Updates to RHEL system for details.

    Refer to Red Hat security advisory RHSA-2021:1171 to address this issue and obtain more information.

    Vendor References

    CVEs related to QID 239214

    CVE-2021-27363 | CVE-2021-27364 | CVE-2021-27365 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2021:1171 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2021:1171?language=en
    By selecting these links, you may be leaving CVEreport webspace. We have provided these links to other websites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other websites that are more appropriate for your purpose. CVEreport does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, CVEreport does not endorse any commercial products that may be mentioned on these sites. Please address comments about any linked pages to [email protected].