Incorrect calculation in Linux kernel - CVE-2021-4460

Vulnerability identifier: #VU116299

CSH Severity: Low

CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-4460

CWE-ID: CWE-682

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to incorrect calculation within the set_sched_resources() and initialize_cpsch() functions in drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 12 SP5
SUSE Enterprise Server 15 SP3 Business Critical
SUSE Linux Enterprise Server 15 SP3
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE Manager Server
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Micro for Rancher
SUSE Enterprise Storage
Red Hat Enterprise Linux Server - AUS
SUSE Linux Enterprise Live Patching
openSUSE Leap
kgraft-patch-4_12_14-122_280-default
kernel-livepatch-5_3_18-150300_59_221-default-debuginfo
kernel-livepatch-SLE15-SP3_Update_62-debugsource
kernel-livepatch-5_3_18-150300_59_221-default
kernel-livepatch-5_3_18-150300_59_221-preempt-debuginfo
kernel-livepatch-5_3_18-150300_59_221-preempt
dlm-kmp-default-debuginfo
gfs2-kmp-default-debuginfo
kernel-syms
kernel-default-base
gfs2-kmp-default
kernel-default-debugsource
ocfs2-kmp-default-debuginfo
cluster-md-kmp-default-debuginfo
dlm-kmp-default
cluster-md-kmp-default
ocfs2-kmp-default
kernel-default-debuginfo
kernel-default-devel
kernel-default-base-debuginfo
kernel-default
kernel-source
kernel-devel
kernel-macros
kernel-default-man
kernel-default-kgraft-devel
kernel-default-kgraft
kernel-default-devel-debuginfo
kernel (Red Hat package)
dtb-qcom
dtb-sprd
dtb-lg
dtb-cavium
dtb-amd
kernel-64kb-extra
dtb-zte
gfs2-kmp-64kb-debuginfo
dtb-apm
reiserfs-kmp-64kb
ocfs2-kmp-64kb-debuginfo
kernel-64kb-devel-debuginfo
dtb-hisilicon
kernel-64kb-extra-debuginfo
kernel-64kb-optional-debuginfo
reiserfs-kmp-64kb-debuginfo
dtb-renesas
kernel-64kb-debugsource
kernel-64kb-optional
dtb-rockchip
dtb-marvell
kernel-zfcpdump-debugsource
dtb-arm
kernel-64kb
dtb-broadcom
kselftests-kmp-64kb
dtb-freescale
dtb-allwinner
ocfs2-kmp-64kb
dtb-amlogic
gfs2-kmp-64kb
dtb-mediatek
dtb-xilinx
cluster-md-kmp-64kb
dtb-al
dlm-kmp-64kb
kernel-64kb-devel
cluster-md-kmp-64kb-debuginfo
kselftests-kmp-64kb-debuginfo
kernel-64kb-debuginfo
dlm-kmp-64kb-debuginfo
dtb-exynos
dtb-socionext
dtb-nvidia
reiserfs-kmp-default-debuginfo
kernel-default-livepatch
kernel-obs-build
kernel-default-optional-debuginfo
kernel-default-extra
kernel-obs-qa
kernel-default-optional
reiserfs-kmp-default
kselftests-kmp-default-debuginfo
dtb-aarch64
kernel-default-extra-debuginfo
kernel-obs-build-debugsource
kselftests-kmp-default
kernel-source-vanilla
kernel-docs-html
kernel-docs
kernel-default-livepatch-devel
dtb-altera
kernel-zfcpdump-debuginfo
kernel-zfcpdump
kernel-preempt
kernel-preempt-devel-debuginfo
kernel-preempt-extra-debuginfo
kernel-preempt-extra
reiserfs-kmp-preempt-debuginfo
kernel-preempt-optional-debuginfo
dlm-kmp-preempt-debuginfo
kernel-preempt-devel
cluster-md-kmp-preempt
cluster-md-kmp-preempt-debuginfo
ocfs2-kmp-preempt
dlm-kmp-preempt
gfs2-kmp-preempt
kernel-kvmsmall
kernel-kvmsmall-devel
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-debugsource
kernel-kvmsmall-debuginfo
gfs2-kmp-preempt-debuginfo
kselftests-kmp-preempt-debuginfo
kernel-preempt-debuginfo
kernel-preempt-optional
reiserfs-kmp-preempt
ocfs2-kmp-preempt-debuginfo
kernel-preempt-debugsource
kselftests-kmp-preempt
kernel-default-base-rebuild
kernel-rt
kernel-source-rt
kernel-rt-debugsource
kernel-rt-debuginfo

Install update from vendor's repository.

Linux kernel - update to 5.12.3
kgraft-patch-4_12_14-122_280-default - update to 1-8.5.1
kernel-livepatch-5_3_18-150300_59_221-default-debuginfo - update to 1-150300.7.3.1
kernel-livepatch-SLE15-SP3_Update_62-debugsource - update to 1-150300.7.3.1
kernel-livepatch-5_3_18-150300_59_221-default - update to 1-150300.7.3.1
kernel-livepatch-5_3_18-150300_59_221-preempt-debuginfo - update to 1-150300.7.3.1
kernel-livepatch-5_3_18-150300_59_221-preempt - update to 1-150300.7.3.1
dlm-kmp-default-debuginfo - addressed in versions 4.12.14-122.280.1, 5.3.18-150300.59.221.1
gfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.280.1, 5.3.18-150300.59.221.1
kernel-syms - addressed in versions 4.12.14-122.280.1, 5.3.18-150300.59.221.1
kernel-default-base - addressed in versions 4.12.14-122.280.1, 5.3.18-150300.59.221.1.150300.18.132.1
gfs2-kmp-default - addressed in versions 4.12.14-122.280.1, 5.3.18-150300.59.221.1
kernel-default-debugsource - addressed in versions 4.12.14-122.280.1, 5.3.18-150300.59.221.1
ocfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.280.1, 5.3.18-150300.59.221.1
cluster-md-kmp-default-debuginfo - addressed in versions 4.12.14-122.280.1, 5.3.18-150300.59.221.1
dlm-kmp-default - addressed in versions 4.12.14-122.280.1, 5.3.18-150300.59.221.1
cluster-md-kmp-default - addressed in versions 4.12.14-122.280.1, 5.3.18-150300.59.221.1
ocfs2-kmp-default - addressed in versions 4.12.14-122.280.1, 5.3.18-150300.59.221.1
kernel-default-debuginfo - addressed in versions 4.12.14-122.280.1, 5.3.18-150300.59.221.1
kernel-default-devel - addressed in versions 4.12.14-122.280.1, 5.3.18-150300.59.221.1
kernel-default-base-debuginfo - update to 4.12.14-122.280.1
kernel-default - addressed in versions 4.12.14-122.280.1, 5.3.18-150300.59.221.1
kernel-source - addressed in versions 4.12.14-122.280.1, 5.3.18-150300.59.221.1
kernel-devel - addressed in versions 4.12.14-122.280.1, 5.3.18-150300.59.221.1
kernel-macros - addressed in versions 4.12.14-122.280.1, 5.3.18-150300.59.221.1
kernel-default-man - update to 4.12.14-122.280.1
kernel-default-kgraft-devel - update to 4.12.14-122.280.1
kernel-default-kgraft - update to 4.12.14-122.280.1
kernel-default-devel-debuginfo - addressed in versions 4.12.14-122.280.1, 5.3.18-150300.59.221.1
kernel (Red Hat package) - addressed in versions 4.18.0-193.193.1.el8_2, 4.18.0-305.188.1.el8_4
dtb-qcom - update to 5.3.18-150300.59.221.1
dtb-sprd - update to 5.3.18-150300.59.221.1
dtb-lg - update to 5.3.18-150300.59.221.1
dtb-cavium - update to 5.3.18-150300.59.221.1
dtb-amd - update to 5.3.18-150300.59.221.1
kernel-64kb-extra - update to 5.3.18-150300.59.221.1
dtb-zte - update to 5.3.18-150300.59.221.1
gfs2-kmp-64kb-debuginfo - update to 5.3.18-150300.59.221.1
dtb-apm - update to 5.3.18-150300.59.221.1
reiserfs-kmp-64kb - update to 5.3.18-150300.59.221.1
ocfs2-kmp-64kb-debuginfo - update to 5.3.18-150300.59.221.1
kernel-64kb-devel-debuginfo - update to 5.3.18-150300.59.221.1
dtb-hisilicon - update to 5.3.18-150300.59.221.1
kernel-64kb-extra-debuginfo - update to 5.3.18-150300.59.221.1
kernel-64kb-optional-debuginfo - update to 5.3.18-150300.59.221.1
reiserfs-kmp-64kb-debuginfo - update to 5.3.18-150300.59.221.1
dtb-renesas - update to 5.3.18-150300.59.221.1
kernel-64kb-debugsource - update to 5.3.18-150300.59.221.1
kernel-64kb-optional - update to 5.3.18-150300.59.221.1
dtb-rockchip - update to 5.3.18-150300.59.221.1
dtb-marvell - update to 5.3.18-150300.59.221.1
kernel-zfcpdump-debugsource - update to 5.3.18-150300.59.221.1
dtb-arm - update to 5.3.18-150300.59.221.1
kernel-64kb - update to 5.3.18-150300.59.221.1
dtb-broadcom - update to 5.3.18-150300.59.221.1
kselftests-kmp-64kb - update to 5.3.18-150300.59.221.1
dtb-freescale - update to 5.3.18-150300.59.221.1
dtb-allwinner - update to 5.3.18-150300.59.221.1
ocfs2-kmp-64kb - update to 5.3.18-150300.59.221.1
dtb-amlogic - update to 5.3.18-150300.59.221.1
gfs2-kmp-64kb - update to 5.3.18-150300.59.221.1
dtb-mediatek - update to 5.3.18-150300.59.221.1
dtb-xilinx - update to 5.3.18-150300.59.221.1
cluster-md-kmp-64kb - update to 5.3.18-150300.59.221.1
dtb-al - update to 5.3.18-150300.59.221.1
dlm-kmp-64kb - update to 5.3.18-150300.59.221.1
kernel-64kb-devel - update to 5.3.18-150300.59.221.1
cluster-md-kmp-64kb-debuginfo - update to 5.3.18-150300.59.221.1
kselftests-kmp-64kb-debuginfo - update to 5.3.18-150300.59.221.1
kernel-64kb-debuginfo - update to 5.3.18-150300.59.221.1
dlm-kmp-64kb-debuginfo - update to 5.3.18-150300.59.221.1
dtb-exynos - update to 5.3.18-150300.59.221.1
dtb-socionext - update to 5.3.18-150300.59.221.1
dtb-nvidia - update to 5.3.18-150300.59.221.1
reiserfs-kmp-default-debuginfo - update to 5.3.18-150300.59.221.1
kernel-default-livepatch - update to 5.3.18-150300.59.221.1
kernel-obs-build - update to 5.3.18-150300.59.221.1
kernel-default-optional-debuginfo - update to 5.3.18-150300.59.221.1
kernel-default-extra - update to 5.3.18-150300.59.221.1
kernel-obs-qa - update to 5.3.18-150300.59.221.1
kernel-default-optional - update to 5.3.18-150300.59.221.1
reiserfs-kmp-default - update to 5.3.18-150300.59.221.1
kselftests-kmp-default-debuginfo - update to 5.3.18-150300.59.221.1
dtb-aarch64 - update to 5.3.18-150300.59.221.1
kernel-default-extra-debuginfo - update to 5.3.18-150300.59.221.1
kernel-obs-build-debugsource - update to 5.3.18-150300.59.221.1
kselftests-kmp-default - update to 5.3.18-150300.59.221.1
kernel-source-vanilla - update to 5.3.18-150300.59.221.1
kernel-docs-html - update to 5.3.18-150300.59.221.1
kernel-docs - update to 5.3.18-150300.59.221.1
kernel-default-livepatch-devel - update to 5.3.18-150300.59.221.1
dtb-altera - update to 5.3.18-150300.59.221.1
kernel-zfcpdump-debuginfo - update to 5.3.18-150300.59.221.1
kernel-zfcpdump - update to 5.3.18-150300.59.221.1
kernel-preempt - update to 5.3.18-150300.59.221.1
kernel-preempt-devel-debuginfo - update to 5.3.18-150300.59.221.1
kernel-preempt-extra-debuginfo - update to 5.3.18-150300.59.221.1
kernel-preempt-extra - update to 5.3.18-150300.59.221.1
reiserfs-kmp-preempt-debuginfo - update to 5.3.18-150300.59.221.1
kernel-preempt-optional-debuginfo - update to 5.3.18-150300.59.221.1
dlm-kmp-preempt-debuginfo - update to 5.3.18-150300.59.221.1
kernel-preempt-devel - update to 5.3.18-150300.59.221.1
cluster-md-kmp-preempt - update to 5.3.18-150300.59.221.1
cluster-md-kmp-preempt-debuginfo - update to 5.3.18-150300.59.221.1
ocfs2-kmp-preempt - update to 5.3.18-150300.59.221.1
dlm-kmp-preempt - update to 5.3.18-150300.59.221.1
gfs2-kmp-preempt - update to 5.3.18-150300.59.221.1
kernel-kvmsmall - update to 5.3.18-150300.59.221.1
kernel-kvmsmall-devel - update to 5.3.18-150300.59.221.1
kernel-kvmsmall-devel-debuginfo - update to 5.3.18-150300.59.221.1
kernel-kvmsmall-debugsource - update to 5.3.18-150300.59.221.1
kernel-kvmsmall-debuginfo - update to 5.3.18-150300.59.221.1
gfs2-kmp-preempt-debuginfo - update to 5.3.18-150300.59.221.1
kselftests-kmp-preempt-debuginfo - update to 5.3.18-150300.59.221.1
kernel-preempt-debuginfo - update to 5.3.18-150300.59.221.1
kernel-preempt-optional - update to 5.3.18-150300.59.221.1
reiserfs-kmp-preempt - update to 5.3.18-150300.59.221.1
ocfs2-kmp-preempt-debuginfo - update to 5.3.18-150300.59.221.1
kernel-preempt-debugsource - update to 5.3.18-150300.59.221.1
kselftests-kmp-preempt - update to 5.3.18-150300.59.221.1
kernel-default-base-rebuild - update to 5.3.18-150300.59.221.1.150300.18.132.1
kernel-rt - update to 5.3.18-150300.223.1
kernel-source-rt - update to 5.3.18-150300.223.1
kernel-rt-debugsource - update to 5.3.18-150300.223.1
kernel-rt-debuginfo - update to 5.3.18-150300.223.1

• https://git.kernel.org/stable/c/0c0356ef2498c1a250fe3846f30293f828737309
• https://git.kernel.org/stable/c/1874b0ef1426b873de94c61861e38f29a8df714c
• https://git.kernel.org/stable/c/3fdc5182700910a685d23df57d65166e8556a266
• https://git.kernel.org/stable/c/50e2fc36e72d4ad672032ebf646cecb48656efe0
• https://git.kernel.org/stable/c/9069b1b542de8f3bbffef868aff41521b21485cf
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.3

• Incorrect calculation in Linux kernel amd amdkfd driver
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• Red Hat Enterprise Linux 8 update for kernel
• Red Hat Enterprise Linux 8 update for kernel