SUSE-SU-2022:0237-1

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SUSE-SU-2022:0237-1

Summary: Security update for the Linux Kernel (Live Patch 25 for SLE 15)

Details: This update for the Linux Kernel 4.12.14-150_75 fixes several issues. The following security issues were fixed: - CVE-2018-25020: Fixed an issue in the BPF subsystem in the Linux kernel mishandled situations with a long jump over an instruction sequence where inner instructions require substantial expansions into multiple BPF instructions, leading to an overflow. (bsc#1193575) - CVE-2020-3702: Fixed a bug which could be triggered with specifically timed and handcrafted traffic and cause internal errors in a WLAN device that lead to improper layer 2 Wi-Fi encryption with a consequent possibility of information disclosure. (bsc#1191193) - CVE-2021-42739: The firewire subsystem had a buffer overflow related to drivers/media/firewire/firedtv-avc.c and drivers/media/firewire/firedtv-ci.c, because avc_ca_pmt mishandled bounds checking (bsc#1184673).

References: https://www.suse.com/support/update/announcement/2022/suse-su-20220237-1/, https://bugzilla.suse.com/1191529, https://bugzilla.suse.com/1192036, https://bugzilla.suse.com/1193863, https://www.suse.com/security/cve/CVE-2018-25020, https://www.suse.com/security/cve/CVE-2020-3702, https://www.suse.com/security/cve/CVE-2021-42739