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SUSE-SU-2021:3742-1 Not scored

Security update for the Linux Kernel (Live Patch 5 for SLE 15 SP3)

This update for the Linux Kernel 5.3.18-59_19 fixes several issues. The following security issues were fixed: - CVE-2021-34866: Fixed possible eBPF Type Confusion privilege escalation vulnerability via eBPF type confusion (bsc#1191646). - CVE-2021-41864: Fixed an integer overflow with a resultant out-of-bounds write in prealloc_elems_and_freelist in kernel/bpf/stackmap.c (bsc#1191318).

Exploit probability Not scored
Published November 19, 2021
Required by Not available
Last source change February 4, 2026

02 / AFFECTED SOFTWARE

Affected packages

SUSE:Linux Enterprise Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_1
SUSE:Linux Enterprise Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_2
SUSE:Linux Enterprise Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_4
SUSE:Linux Enterprise Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_5

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities SUSE-SU-2021:3742-1

This update for the Linux Kernel 5.3.18-59_19 fixes several issues. The following security issues were fixed: - CVE-2021-34866: Fixed possible eBPF Type Confusion privilege escalation vulnerability via eBPF type confusion (bsc#1191646). - CVE-2021-41864: Fixed an integer overflow with a resultant out-of-bounds write in prealloc_elems_and_freelist in kernel/bpf/stackmap.c (bsc#1191318).

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05 / REFERENCES

Further evidence