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SUSE-SU-2021:3459-1 Not scored

Security update for the Linux Kernel (Live Patch 38 for SLE 12 SP3)

This update for the Linux Kernel 4.4.180-94_141 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).

Exploit probability Not scored
Published October 18, 2021
Required by Not available
Last source change February 4, 2026

02 / AFFECTED SOFTWARE

Affected packages

SUSE:Linux Enterprise Server 12 SP3-LTSS kgraft-patch-SLE12-SP3_Update_36
SUSE:Linux Enterprise Server 12 SP3-LTSS kgraft-patch-SLE12-SP3_Update_37
SUSE:Linux Enterprise Server 12 SP3-LTSS kgraft-patch-SLE12-SP3_Update_38
SUSE:Linux Enterprise Server 12 SP3-LTSS kgraft-patch-SLE12-SP3_Update_39
SUSE:Linux Enterprise Server 12 SP3-LTSS kgraft-patch-SLE12-SP3_Update_40
SUSE:Linux Enterprise Server for SAP Applications 12 SP3 kgraft-patch-SLE12-SP3_Update_36
SUSE:Linux Enterprise Server for SAP Applications 12 SP3 kgraft-patch-SLE12-SP3_Update_37
SUSE:Linux Enterprise Server for SAP Applications 12 SP3 kgraft-patch-SLE12-SP3_Update_38
SUSE:Linux Enterprise Server for SAP Applications 12 SP3 kgraft-patch-SLE12-SP3_Update_39
SUSE:Linux Enterprise Server for SAP Applications 12 SP3 kgraft-patch-SLE12-SP3_Update_40

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities SUSE-SU-2021:3459-1

This update for the Linux Kernel 4.4.180-94_141 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).

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05 / REFERENCES

Further evidence