SUSE-SU-2022:1326-1

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SUSE-SU-2022:1326-1

Summary: Security update for the Linux Kernel (Live Patch 7 for SLE 15 SP3)

Details: This update for the Linux Kernel 5.3.18-59_27 fixes several issues. The following security issues were fixed: - CVE-2022-1016: Fixed a vulnerability in the nf_tables component of the netfilter subsystem. This vulnerability gives an attacker a powerful primitive that can be used to both read from and write to relative stack data, which can lead to arbitrary code execution. (bsc#1197335) - CVE-2022-1055: Fixed a use-after-free in tc_new_tfilter that could allow a local attacker to gain privilege escalation. (bnc#1197705) - CVE-2022-1011: Fixed an use-after-free vulnerability which could allow a local attacker to retireve (partial) /etc/shadow hashes or any other data from filesystem when he can mount a FUSE filesystems. (bsc#1197344)

References: https://www.suse.com/support/update/announcement/2022/suse-su-20221326-1/, https://bugzilla.suse.com/1197335, https://bugzilla.suse.com/1197344, https://bugzilla.suse.com/1197705, https://www.suse.com/security/cve/CVE-2022-1011, https://www.suse.com/security/cve/CVE-2022-1016, https://www.suse.com/security/cve/CVE-2022-1055