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SUSE-SU-2021:2042-1 Not scored

Security update for the Linux Kernel (Live Patch 37 for SLE 12 SP3)

This update for the Linux Kernel 4.4.180-94_138 fixes several issues. The following issues were fixed: - CVE-2021-33034: Fixed a use-after-free when destroying an hci_chan. This could lead to writing an arbitrary values (bsc#1186111). - CVE-2021-32399: Fixed a race condition when removing the HCI controller (bnc#1184611). - Fixed a regression with the last livepatch which caused a kernel warning during sysfs read (bsc#1186235).

Exploit probability Not scored
Published June 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_37
SUSE:Linux Enterprise Server 12 SP3-LTSS kgraft-patch-SLE12-SP3_Update_38
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

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities SUSE-SU-2021:2042-1

This update for the Linux Kernel 4.4.180-94_138 fixes several issues. The following issues were fixed: - CVE-2021-33034: Fixed a use-after-free when destroying an hci_chan. This could lead to writing an arbitrary values (bsc#1186111). - CVE-2021-32399: Fixed a race condition when removing the HCI controller (bnc#1184611). - Fixed a regression with the last livepatch which caused a kernel warning during sysfs read (bsc#1186235).

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05 / REFERENCES

Further evidence