QID 751238

Date Published: 2021-10-20

QID 751238: SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 40 for SLE 12 SP3) (SUSE-SU-2021:3459-1)

This update for the linux kernel 4.4.180-94_147 fixes several issues.
The following security issues were fixed: - cve-2021-3715: fixed a user-after-free in the linux kernel's traffic control networking subsystem which could lead to local privilege escalation. (
Bsc#1190350).
- cve-2021-38160: fixed a bug that could lead to a data corruption or loss.
This can be triggered by an untrusted device that supplies a buf->len value exceeding the buffer size in drivers/char/virtio_console.c (bsc#1190118) - cve-2021-3640: fixed a user-after-free bug in the function sco_sock_sendmsg which could lead to local privilege escalation.
(bsc#1188613) - cve-2021-3573: fixed a user-after-free bug in the function hci_sock_bound_ioctl which could lead to local privilege escalation.
(bsc#1187054).

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-2021:3459-1 to address this issue and obtain further details.
    Vendor References

    CVEs related to QID 751238

    CVE-2021-38160 | CVE-2021-3640 | CVE-2021-3715 | CVE-2021-3573 |
    Software Advisories
    Advisory ID Software Component Link
    SUSE-SU-2021:3459-1 SUSE Enterprise Linux URL Logo lists.suse.com/pipermail/sle-security-updates/2021-October/009606.html
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