QID 750673

QID 750673: SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 17 for SLE 12 SP5) (SUSE-SU-2021:2067-1)

This update for the linux kernel 4.12.14-122_66 fixes several issues.
the following issues were fixed: - cve-2021-33034: fixed a use-after-free when destroying an hci_chan.
This could lead to writing an arbitrary values (bsc#1186111).
- cve-2021-23134: a use after free vulnerability in nfc sockets allowed local attackers to elevate their privileges (bnc#1186060).
- cve-2021-32399: fixed a race condition when removing the hci controller (bnc#1184611).
- fixed a data loss/data corruption that occurs if there is a write error on an md/raid array (bsc#1185680).

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 High - 7.8 severity.
  • CVSS V2 rated as Medium - 4.6 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-2021:2067-1 to address this issue and obtain further details.
    Vendor References

    CVEs related to QID 750673

    CVE-2021-33034 | CVE-2021-32399 | CVE-2021-23134 |
    Software Advisories
    Advisory ID Software Component Link
    SUSE-SU-2021:2067-1 SUSE Enterprise Linux URL Logo lists.suse.com/pipermail/sle-security-updates/2021-June/009043.html
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