SUSE-SU-2022:1634-1

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SUSE-SU-2022:1634-1

Summary: Security update for the Linux Kernel (Live Patch 26 for SLE 15 SP2)

Details: This update for the Linux Kernel 5.3.18-150200_24_112 fixes several issues. The following security issues were fixed: - - CVE-2022-1158: Fixed KVM x86/mmu compare-and-exchange of gPTE via the user address (bsc#1198133) - CVE-2022-1011: A use-after-free flaw was found in the FUSE filesystem in the way a user triggers write(). This flaw allowed a local user to gain unauthorized access to data from the FUSE filesystem, resulting in privilege escalation. (bsc#1197344) - - CVE-2021-39698: In aio_poll_complete_work of aio.c, there was a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. (bsc#1196959)

References: https://www.suse.com/support/update/announcement/2022/suse-su-20221634-1/, https://bugzilla.suse.com/1196959, https://bugzilla.suse.com/1197344, https://bugzilla.suse.com/1198133, https://www.suse.com/security/cve/CVE-2021-39698, https://www.suse.com/security/cve/CVE-2022-1011, https://www.suse.com/security/cve/CVE-2022-1158