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SUSE-SU-2021:3443-1 Not scored

Security update for the Linux Kernel (Live Patch 11 for SLE 15 SP2)

This update for the Linux Kernel 5.3.18-24_52 fixes several issues. The following security issues were fixed: - 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 14, 2021
Required by Not available
Last source change February 4, 2026

02 / AFFECTED SOFTWARE

Affected packages

SUSE:Linux Enterprise Live Patching 12 SP4 kgraft-patch-SLE12-SP4_Update_17
SUSE:Linux Enterprise Live Patching 12 SP4 kgraft-patch-SLE12-SP4_Update_18
SUSE:Linux Enterprise Live Patching 12 SP4 kgraft-patch-SLE12-SP4_Update_19
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_10
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_11
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_12
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_13
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_15
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_14
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_16
SUSE:Linux Enterprise Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_16
SUSE:Linux Enterprise Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_17
SUSE:Linux Enterprise Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_18
SUSE:Linux Enterprise Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_19
SUSE:Linux Enterprise Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_20
SUSE:Linux Enterprise Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_21
SUSE:Linux Enterprise Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_22
SUSE:Linux Enterprise Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_23
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_10
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_11
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_4
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_5
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_6
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_7
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_8
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_9

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities SUSE-SU-2021:3443-1

This update for the Linux Kernel 5.3.18-24_52 fixes several issues. The following security issues were fixed: - 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