QID 239253

Date Published: 2021-05-10

QID 239253: Red Hat Update for kernel-alt (RHSA-2021:1379)

The kernel-alt packages provide the Linux kernel version 4.x.

Security Fix(es): kernel: Use after free via PI futex state (CVE-2021-3347) kernel: out-of-bounds read in libiscsi module (CVE-2021-27364) kernel: heap buffer overflow in the iSCSI subsystem (CVE-2021-27365) kernel: powerpc: guest can cause DoS on POWER9 KVM hosts (CVE-2020-11669)

Affected Products:

Red Hat Enterprise Linux for Power 9 7 ppc64le
Red Hat Enterprise Linux for IBM System z (Structure A) 7 s390x

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 High - 7.2 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-2021:1379 to address this issue and obtain more information.

    Vendor References

    CVEs related to QID 239253

    CVE-2020-11669 | CVE-2021-3347 | CVE-2021-27364 | CVE-2021-27365 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2021:1379 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2021:1379?language=en
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