QID 174925

Date Published: 2021-04-20

QID 174925: SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1248-1)

The SUSE Linux Enterprise 12 SP5 Azure kernel was updated to receive
various security and bugfixes.

The following security bugs were fixed:

- CVE-2020-25670, CVE-2020-25671, CVE-2020-25672, CVE-2020-25673: Fixed
multiple bugs in NFC subsytem (bsc#1178181).
- CVE-2020-36311: Fixed a denial of service (soft lockup) by triggering
destruction of a large SEV VM (bsc#1184511).
- CVE-2021-29154: Fixed incorrect computation of branch displacements,
allowing arbitrary code execution (bsc#1184391).
- CVE-2021-30002: Fixed a memory leak for large arguments in
video_usercopy (bsc#1184120).
- CVE-2021-3483: Fixed a use-after-free in nosy.c (bsc#1184393).
- CVE-2021-20219: Fixed a denial of service in n_tty_receive_char_special
(bsc#1184397).

Successful exploitation allows attacker to compromise the system.

  • CVSS V3 rated as High - 7.8 severity.
  • CVSS V2 rated as High - 7.2 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-2021:1248-1 to address this issue and obtain further details.
    Vendor References

    CVEs related to QID 174925

    CVE-2020-25670 | CVE-2021-20219 | CVE-2020-36311 | CVE-2020-25671 | CVE-2021-29154 | CVE-2020-25672 | CVE-2021-3483 | CVE-2021-30002 | CVE-2020-25673 |
    Software Advisories
    Advisory ID Software Component Link
    SUSE-SU-2021:1248-1 SUSE Enterprise Linux URL Logo lists.suse.com/pipermail/sle-security-updates/2021-April/008651.html
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