QID 751164

Date Published: 2021-09-28

QID 751164: SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 40 for SLE 12 SP3) (SUSE-SU-2021:3196-1)

This update for the linux kernel 4.4.180-94_147 fixes several issues.
The following security issues were fixed: - cve-2021-3653: fixed missing validation of the kvm `int_ctl` vmcb field that would have allowed a malicious l1 guest to enable avic support for the l2 guest (bsc#1189420).
- cve-2021-38198: fixed kvm mmu to use the correct inherited permissions to get shadow page (bsc#1189278).

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 allows attacker to compromise the system.

  • CVSS V3 rated as Critical - 8.8 severity.
  • CVSS V2 rated as High - 6.1 severity.
    • Solution
    Upgrade to the latest package which contains the patch. To install this SUSE Security, Update use YaST online_update. Alternatively you can run the command listed for your product. To install packages using the command line interface, use command "yum update". Refer to Suse security advisory: SUSE-SU-2021:3196-1 to address this issue and obtain further details.
    Vendor References

    CVEs related to QID 751164

    CVE-2021-3653 | CVE-2021-38198 |
    Software Advisories
    Advisory ID Software Component Link
    SUSE-SU-2021:3196-1 SUSE Enterprise Linux URL Logo lists.suse.com/pipermail/sle-security-updates/2021-September/009497.html
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