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In the Linux kernel, the following vulnerability has been resolved:
hwmon: (w83793) Fix NULL pointer dereference by removing unnecessary structure field
If driver read tmp value sufficient for (tmp & 0x08) && (!(tmp & 0x80)) && ((tmp & 0x7) == ((tmp >> 4) & 0x7)) from device then Null pointer dereference occurs. (It is possible if tmp = 0b0xyz1xyz, where same literals mean same numbers) Also lm75[] does not serve a purpose anymore after switching to devm_i2c_new_dummy_device() in w83791d_detect_subclients().
The patch fixes possible NULL pointer dereference by removing lm75[].
Found by Linux Driver Verification project (linuxtesting.org).
[groeck: Dropped unnecessary continuation lines, fixed multi-line alignments]
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade kernel-tools-libs-develUpgrade bpftoolUpgrade kernel-rt-develUpgrade kernel-debug-modules-extraUpgrade kernel-rtUpgrade kernel-rt-modulesUpgrade kernel-rt-kvmUpgrade kernel-rt-debug-modulesUpgrade kernel-zfcpdumpUpgrade kernel-modulesUpgrade kernel-zfcpdump-modulesUpgrade kernel-toolsUpgrade perfUpgrade kernel-docUpgrade kernel-rt-debug-modules-extraUpgrade kernel-rt-debugUpgrade kernel-develUpgrade kernel-zfcpdump-coreUpgrade kernel-debugUpgrade kernel-rt-modules-extraUpgrade python3-perfUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-zfcpdump-develUpgrade kernel-coreUpgrade kernel-rt-debug-coreUpgrade kernel-debug-develUpgrade kernel-cross-headersUpgrade kernel-rt-coreUpgrade kernel-tools-libsUpgrade kernel-abi-stablelistsUpgrade kernelUpgrade kernel-rt-debug-kvmUpgrade kernel-rt-debug-develUpgrade kernel-modules-extraUpgrade kernel-headersUpgrade kernel-debug-modulesUpgrade kernel-debug-core | Sep 26, 2024 | May 21, 2024 |
| Amazon Linux Ami 2 | — | Upgrade bpftool-debuginfoUpgrade perf-debuginfoUpgrade kernel-tools-debuginfoUpgrade python-perf-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-tools-develUpgrade kernel-debuginfoUpgrade kernel-headersUpgrade kernel-develUpgrade kernel-toolsUpgrade bpftoolUpgrade python-perfUpgrade kernel-debuginfo-common-aarch64Upgrade kernelUpgrade kernel-livepatch-5.10.75-79.358Upgrade perf | Dec 12, 2024 | May 21, 2024 |
| Debian | — | Upgrade linux | Jul 30, 2024 | May 21, 2024 |
| Oracle_linux | — | Upgrade kernel | Oct 16, 2024 | May 21, 2024 |
| Redhat_linux | — | No solution existsUpgrade kernelUpgrade kernel-rt | Sep 25, 2024 | May 21, 2024 |
| Rocky_linux | — | Upgrade kernel-cross-headersUpgrade bpftoolUpgrade kernel-develUpgrade kernel-tools-libs-develUpgrade kernel-rt-debug-debuginfoUpgrade python3-perf-debuginfoUpgrade kernel-rt-kvmUpgrade kernel-rt-modulesUpgrade kernel-rt-debugUpgrade kernelUpgrade kernel-rt-debuginfo-common-x86_64Upgrade kernel-rt-modules-extraUpgrade kernel-rt-debug-coreUpgrade kernel-rtUpgrade kernel-debug-modulesUpgrade kernel-tools-libsUpgrade kernel-rt-debuginfoUpgrade kernel-toolsUpgrade kernel-rt-develUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-debugUpgrade kernel-debug-debuginfoUpgrade kernel-debug-modules-extraUpgrade kernel-coreUpgrade kernel-headersUpgrade kernel-modules-extraUpgrade kernel-rt-debug-modules-extraUpgrade python3-perfUpgrade kernel-rt-debug-kvmUpgrade kernel-rt-coreUpgrade kernel-rt-debug-develUpgrade kernel-debug-develUpgrade kernel-tools-debuginfoUpgrade kernel-rt-debug-modulesUpgrade kernel-debug-coreUpgrade kernel-debuginfoUpgrade perfUpgrade bpftool-debuginfoUpgrade kernel-modulesUpgrade perf-debuginfo | Oct 2, 2024 | May 21, 2024 |
| Suse | — | Upgrade kernel-rt_debug-livepatch-develUpgrade kernel-symsUpgrade kernel-azure-extraUpgrade kernel-docsUpgrade kernel-syms-rtUpgrade kernel-rt-livepatch-develUpgrade kernel-default-extraUpgrade dtb-broadcomUpgrade kernel-debugUpgrade reiserfs-kmp-rtUpgrade kernel-64kb-optionalUpgrade dtb-socionextUpgrade kernel-rt-extraUpgrade kernel-macrosUpgrade dtb-renesasUpgrade reiserfs-kmp-defaultUpgrade kernel-rt-optionalUpgrade cluster-md-kmp-defaultUpgrade dlm-kmp-rtUpgrade kernel-rt_debug-vdsoUpgrade cluster-md-kmp-64kbUpgrade dtb-apmUpgrade kernel-debug-livepatch-develUpgrade kernel-azure-vdsoUpgrade kernel-source-rtUpgrade dtb-nvidiaUpgrade kernel-default-baseUpgrade kernel-default-livepatch-develUpgrade kernel-kvmsmall-livepatch-develUpgrade kernel-obs-qaUpgrade dlm-kmp-azureUpgrade dtb-armUpgrade kselftests-kmp-rtUpgrade kernel-64kb-extraUpgrade dtb-hisiliconUpgrade kernel-kvmsmall-vdsoUpgrade dtb-amlogicUpgrade dtb-appleUpgrade kernel-debug-develUpgrade kernel-defaultUpgrade dtb-amdUpgrade kernel-rt_debugUpgrade reiserfs-kmp-64kbUpgrade kernel-docs-htmlUpgrade kselftests-kmp-defaultUpgrade dtb-marvellUpgrade kernel-rt-vdsoUpgrade dlm-kmp-defaultUpgrade kernel-obs-buildUpgrade dtb-sprdUpgrade dtb-exynosUpgrade dtb-alteraUpgrade dtb-freescaleUpgrade kselftests-kmp-azureUpgrade kernel-rt-livepatchUpgrade dtb-qcomUpgrade kernel-azure-optionalUpgrade kernel-64kb-develUpgrade kernel-azure-develUpgrade dtb-xilinxUpgrade kernel-azureUpgrade dtb-caviumUpgrade kernel-rt_debug-develUpgrade kernel-rtUpgrade kernel-source-vanillaUpgrade kernel-syms-azureUpgrade cluster-md-kmp-azureUpgrade dtb-allwinnerUpgrade kernel-default-vdsoUpgrade kernel-64kb-livepatch-develUpgrade ocfs2-kmp-azureUpgrade dlm-kmp-64kbUpgrade kernel-debug-vdsoUpgrade kernel-default-livepatchUpgrade kernel-devel-rtUpgrade kernel-kvmsmallUpgrade kernel-azure-livepatch-develUpgrade dtb-mediatekUpgrade kernel-default-develUpgrade kernel-default-optionalUpgrade gfs2-kmp-azureUpgrade dtb-rockchipUpgrade dtb-amazonUpgrade ocfs2-kmp-rtUpgrade kernel-rt-develUpgrade kernel-64kbUpgrade kernel-default-base-rebuildUpgrade kernel-sourceUpgrade kselftests-kmp-64kbUpgrade ocfs2-kmp-defaultUpgrade reiserfs-kmp-azureUpgrade kernel-zfcpdumpUpgrade ocfs2-kmp-64kbUpgrade gfs2-kmp-64kbUpgrade gfs2-kmp-rtUpgrade cluster-md-kmp-rtUpgrade kernel-source-azureUpgrade kernel-develUpgrade kernel-devel-azureUpgrade kernel-kvmsmall-develUpgrade gfs2-kmp-defaultUpgrade dtb-lg | Aug 9, 2024 | May 21, 2024 |
| Ubuntu | — | Upgrade linux-hwe-5.4Upgrade linux-azure-fde-5.15Upgrade linux-aws-fipsUpgrade linux-ibmUpgrade linux-bluefieldUpgrade linux-kvmUpgrade linux-raspi-5.4Upgrade linux-oracleUpgrade linux-gcp-fipsUpgrade linux-azureUpgrade linux-gkeopUpgrade linux-azure-5.4Upgrade linux-raspiUpgrade linuxUpgrade linux-oracle-5.4Upgrade linux-azure-fipsUpgrade linux-aws-5.4Upgrade linux-gcp-5.4Upgrade linux-gcpUpgrade linux-awsUpgrade linux-fips | Nov 19, 2024 | May 21, 2024 |
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