QID 751215

Date Published: 2021-10-14

QID 751215: SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:3386-1)

The suse linux enterprise 12 sp56 kernel was updated.
The following security bugs were fixed: - cve-2020-3702: fixed a bug which could be triggered with specifically timed and handcrafted traffic and cause internal errors in a wlan device that lead to improper layer 2 wi-fi encryption with a consequent possibility of information disclosure. (
Bnc#1191193) - cve-2021-3752: fixed a use after free vulnerability in the linux kernel's bluetooth module. (
Bsc#1190023) - cve-2021-40490: fixed a race condition discovered in the ext4 subsystem that could leat to local priviledge escalation. (
Bnc#1190159) - cve-2021-3744: fixed a bug which could allows attackers to cause a denial of service. (
Bsc#1189884) - cve-2021-3764: fixed a bug which could allows attackers to cause a denial of service. (
Bsc#1190534)

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 severity.
  • CVSS V2 rated as Medium - 4.4 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-2021:3386-1 to address this issue and obtain further details.
    Vendor References

    CVEs related to QID 751215

    CVE-2021-3764 | CVE-2021-40490 | CVE-2021-3752 | CVE-2020-3702 | CVE-2021-3744 |
    Software Advisories
    Advisory ID Software Component Link
    SUSE-SU-2021:3386-1 SUSE Enterprise Linux URL Logo lists.suse.com/pipermail/sle-security-updates/2021-October/009580.html
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