QID 750899

Date Published: 2021-07-29

QID 750899: SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 36 for SLE 12 SP3) (SUSE-SU-2021:2538-1)

This update for the linux kernel 4.4.180-94_135 fixes several issues.
The following security issues were fixed: - cve-2021-33909: fixed an out-of-bounds write in the filesystem layer that allows to andobtain full root privileges. (
Bsc#1188062) - cve-2021-22555: fixed an heap out-of-bounds write in net/netfilter/x_tables.c that could allow local provilege escalation.
(bsc#1188116) - cve-2020-36385: fixed a use-after-free vulnerability reached via the ctx_list in some ucma_migrate_id situations where ucma_close is called.
(bnc#1187050)

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 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-2021:2538-1 to address this issue and obtain further details.
    Vendor References

    CVEs related to QID 750899

    CVE-2021-33909 | CVE-2020-36385 | CVE-2021-22555 |
    Software Advisories
    Advisory ID Software Component Link
    SUSE-SU-2021:2538-1 SUSE Enterprise Linux URL Logo lists.suse.com/pipermail/sle-security-updates/2021-July/009221.html
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