In the Linux kernel, the following vulnerability has been resolved:
arm64: dts: qcom: msm8998: Fix CPU/L2 idle state latency and residency
The entry/exit latency and minimum residency in state for the idle states of MSM8998 were ..bad: first of all, for all of them the timings were written for CPU sleep but the min-residency-us param was miscalculated (supposedly, while porting this from downstream); Then, the power collapse states are setting PC on both the CPU cluster *and* the L2 cache, which have different timings: in the specific case of L2 the times are higher so these ones should be taken into account instead of the CPU ones.
This parameter misconfiguration was not giving particular issues because on MSM8998 there was no CPU scaling at all, so cluster/L2 power collapse was rarely (if ever) hit. When CPU scaling is enabled, though, the wrong timings will produce SoC unstability shown to the user as random, apparently error-less, sudden reboots and/or lockups.
This set of parameters are stabilizing the SoC when CPU scaling is ON and when power collapse is frequently hit.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 30, 2024 | Apr 10, 2024 |
| Suse | — | Upgrade kernel-obs-buildUpgrade dtb-nvidiaUpgrade kernel-64kbUpgrade ocfs2-kmp-defaultUpgrade kernel-default-livepatch-develUpgrade kernel-source-rtUpgrade kernel-source-vanillaUpgrade kernel-default-optionalUpgrade dtb-lgUpgrade kernel-azure-optionalUpgrade kernel-rt-extraUpgrade dtb-renesasUpgrade dlm-kmp-rtUpgrade dtb-appleUpgrade kernel-default-vdsoUpgrade kernel-rt_debug-develUpgrade gfs2-kmp-azureUpgrade kernel-source-azureUpgrade kernel-rt-livepatchUpgrade dtb-exynosUpgrade kernel-docs-htmlUpgrade reiserfs-kmp-64kbUpgrade dtb-sprdUpgrade dtb-allwinnerUpgrade kernel-default-baseUpgrade reiserfs-kmp-defaultUpgrade dtb-marvellUpgrade kselftests-kmp-64kbUpgrade dtb-qcomUpgrade ocfs2-kmp-64kbUpgrade kernel-kvmsmall-livepatch-develUpgrade kernel-rt-vdsoUpgrade kernel-default-livepatchUpgrade cluster-md-kmp-64kbUpgrade kernel-azureUpgrade kselftests-kmp-azureUpgrade cluster-md-kmp-rtUpgrade dtb-amazonUpgrade kernel-rt-optionalUpgrade ocfs2-kmp-azureUpgrade kernel-64kb-extraUpgrade dtb-caviumUpgrade kernel-azure-extraUpgrade kernel-kvmsmall-vdsoUpgrade dlm-kmp-64kbUpgrade dtb-freescaleUpgrade dtb-alteraUpgrade kernel-debug-vdsoUpgrade kernel-default-develUpgrade kernel-rt_debug-livepatch-develUpgrade dtb-broadcomUpgrade kernel-sourceUpgrade gfs2-kmp-defaultUpgrade kernel-develUpgrade dlm-kmp-defaultUpgrade reiserfs-kmp-rtUpgrade kernel-64kb-livepatch-develUpgrade kernel-rt-livepatch-develUpgrade kselftests-kmp-rtUpgrade kernel-symsUpgrade kernel-obs-qaUpgrade kernel-defaultUpgrade kernel-debug-livepatch-develUpgrade kernel-default-base-rebuildUpgrade dlm-kmp-azureUpgrade dtb-mediatekUpgrade kernel-rtUpgrade dtb-rockchipUpgrade cluster-md-kmp-azureUpgrade dtb-hisiliconUpgrade kernel-devel-rtUpgrade kernel-debugUpgrade kernel-64kb-develUpgrade dtb-xilinxUpgrade dtb-socionextUpgrade kernel-rt_debugUpgrade gfs2-kmp-64kbUpgrade kernel-syms-rtUpgrade kernel-azure-develUpgrade kselftests-kmp-defaultUpgrade cluster-md-kmp-defaultUpgrade reiserfs-kmp-azureUpgrade dtb-amdUpgrade kernel-syms-azureUpgrade kernel-azure-vdsoUpgrade kernel-kvmsmall-develUpgrade kernel-zfcpdumpUpgrade kernel-macrosUpgrade ocfs2-kmp-rtUpgrade kernel-docsUpgrade dtb-apmUpgrade kernel-azure-livepatch-develUpgrade kernel-devel-azureUpgrade kernel-debug-develUpgrade kernel-kvmsmallUpgrade kernel-rt-develUpgrade kernel-default-extraUpgrade gfs2-kmp-rtUpgrade kernel-rt_debug-vdsoUpgrade dtb-armUpgrade dtb-amlogicUpgrade kernel-64kb-optional | Aug 9, 2024 | Apr 10, 2024 |
| Ubuntu | — | Upgrade linux-azure-fipsUpgrade linux-ibmUpgrade linuxUpgrade linux-hwe-5.4Upgrade linux-oracle-5.4Upgrade linux-awsUpgrade linux-gkeopUpgrade linux-aws-fipsUpgrade linux-ibm-5.4Upgrade linux-gcp-fipsUpgrade linux-gcp-5.4Upgrade linux-azure-fde-5.15Upgrade linux-gcpUpgrade linux-oracleUpgrade linux-bluefieldUpgrade linux-azureUpgrade linux-raspiUpgrade linux-azure-5.4Upgrade linux-fipsUpgrade linux-raspi-5.4Upgrade linux-kvmUpgrade linux-aws-5.4 | Nov 19, 2024 | Apr 10, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Apr 10, 2024 |
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