vulnerability

SUSE: CVE-2021-3640: SUSE Linux Security Advisory

Severity
7
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
Published
09/16/2021
Added
09/16/2021
Modified
01/27/2023

Description

A flaw use-after-free in function sco_sock_sendmsg() of the Linux kernel HCI subsystem was found in the way user calls ioct UFFDIO_REGISTER or other way triggers race condition of the call sco_conn_del() together with the call sco_sock_sendmsg() with the expected controllable faulting memory page. A privileged local user could use this flaw to crash the system or escalate their privileges on the system.

Solution(s)

suse-upgrade-cluster-md-kmp-64kbsuse-upgrade-cluster-md-kmp-azuresuse-upgrade-cluster-md-kmp-defaultsuse-upgrade-cluster-md-kmp-preemptsuse-upgrade-dlm-kmp-64kbsuse-upgrade-dlm-kmp-azuresuse-upgrade-dlm-kmp-defaultsuse-upgrade-dlm-kmp-preemptsuse-upgrade-dtb-alsuse-upgrade-dtb-allwinnersuse-upgrade-dtb-alterasuse-upgrade-dtb-amdsuse-upgrade-dtb-amlogicsuse-upgrade-dtb-apmsuse-upgrade-dtb-armsuse-upgrade-dtb-broadcomsuse-upgrade-dtb-caviumsuse-upgrade-dtb-exynossuse-upgrade-dtb-freescalesuse-upgrade-dtb-hisiliconsuse-upgrade-dtb-lgsuse-upgrade-dtb-marvellsuse-upgrade-dtb-mediateksuse-upgrade-dtb-nvidiasuse-upgrade-dtb-qcomsuse-upgrade-dtb-renesassuse-upgrade-dtb-rockchipsuse-upgrade-dtb-socionextsuse-upgrade-dtb-sprdsuse-upgrade-dtb-xilinxsuse-upgrade-dtb-ztesuse-upgrade-gfs2-kmp-64kbsuse-upgrade-gfs2-kmp-azuresuse-upgrade-gfs2-kmp-defaultsuse-upgrade-gfs2-kmp-preemptsuse-upgrade-kernel-64kbsuse-upgrade-kernel-64kb-develsuse-upgrade-kernel-64kb-extrasuse-upgrade-kernel-64kb-livepatch-develsuse-upgrade-kernel-64kb-optionalsuse-upgrade-kernel-azuresuse-upgrade-kernel-azure-basesuse-upgrade-kernel-azure-develsuse-upgrade-kernel-azure-extrasuse-upgrade-kernel-azure-livepatch-develsuse-upgrade-kernel-azure-optionalsuse-upgrade-kernel-bigmemsuse-upgrade-kernel-bigmem-basesuse-upgrade-kernel-bigmem-develsuse-upgrade-kernel-debugsuse-upgrade-kernel-debug-basesuse-upgrade-kernel-debug-develsuse-upgrade-kernel-debug-livepatch-develsuse-upgrade-kernel-defaultsuse-upgrade-kernel-default-basesuse-upgrade-kernel-default-base-rebuildsuse-upgrade-kernel-default-develsuse-upgrade-kernel-default-extrasuse-upgrade-kernel-default-kgraftsuse-upgrade-kernel-default-livepatchsuse-upgrade-kernel-default-livepatch-develsuse-upgrade-kernel-default-mansuse-upgrade-kernel-default-optionalsuse-upgrade-kernel-develsuse-upgrade-kernel-devel-azuresuse-upgrade-kernel-docssuse-upgrade-kernel-docs-htmlsuse-upgrade-kernel-ec2suse-upgrade-kernel-ec2-basesuse-upgrade-kernel-ec2-develsuse-upgrade-kernel-kvmsmallsuse-upgrade-kernel-kvmsmall-basesuse-upgrade-kernel-kvmsmall-develsuse-upgrade-kernel-kvmsmall-livepatch-develsuse-upgrade-kernel-macrossuse-upgrade-kernel-obs-buildsuse-upgrade-kernel-obs-qasuse-upgrade-kernel-paesuse-upgrade-kernel-pae-basesuse-upgrade-kernel-pae-develsuse-upgrade-kernel-ppc64suse-upgrade-kernel-ppc64-basesuse-upgrade-kernel-ppc64-develsuse-upgrade-kernel-preemptsuse-upgrade-kernel-preempt-develsuse-upgrade-kernel-preempt-extrasuse-upgrade-kernel-preempt-livepatch-develsuse-upgrade-kernel-preempt-optionalsuse-upgrade-kernel-sourcesuse-upgrade-kernel-source-azuresuse-upgrade-kernel-source-vanillasuse-upgrade-kernel-symssuse-upgrade-kernel-syms-azuresuse-upgrade-kernel-tracesuse-upgrade-kernel-trace-basesuse-upgrade-kernel-trace-develsuse-upgrade-kernel-vanillasuse-upgrade-kernel-vanilla-basesuse-upgrade-kernel-vanilla-develsuse-upgrade-kernel-vanilla-livepatch-develsuse-upgrade-kernel-xensuse-upgrade-kernel-xen-basesuse-upgrade-kernel-xen-develsuse-upgrade-kernel-zfcpdumpsuse-upgrade-kernel-zfcpdump-mansuse-upgrade-kgraft-patch-4_4_180-94_135-defaultsuse-upgrade-kgraft-patch-4_4_180-94_138-defaultsuse-upgrade-kgraft-patch-4_4_180-94_141-defaultsuse-upgrade-kgraft-patch-4_4_180-94_144-defaultsuse-upgrade-kgraft-patch-4_4_180-94_147-defaultsuse-upgrade-kgraft-patch-4_4_180-94_150-defaultsuse-upgrade-kselftests-kmp-64kbsuse-upgrade-kselftests-kmp-azuresuse-upgrade-kselftests-kmp-defaultsuse-upgrade-kselftests-kmp-preemptsuse-upgrade-ocfs2-kmp-64kbsuse-upgrade-ocfs2-kmp-azuresuse-upgrade-ocfs2-kmp-defaultsuse-upgrade-ocfs2-kmp-preemptsuse-upgrade-reiserfs-kmp-64kbsuse-upgrade-reiserfs-kmp-azuresuse-upgrade-reiserfs-kmp-defaultsuse-upgrade-reiserfs-kmp-preempt
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.