In the Linux kernel, the following vulnerability has been resolved:
drm/vmwgfx: Prevent unmapping active read buffers
The kms paths keep a persistent map active to read and compare the cursor buffer. These maps can race with each other in simple scenario where: a) buffer "a" mapped for update b) buffer "a" mapped for compare c) do the compare d) unmap "a" for compare e) update the cursor f) unmap "a" for update At step "e" the buffer has been unmapped and the read contents is bogus.
Prevent unmapping of active read buffers by simply keeping a count of how many paths have currently active maps and unmap only when the count reaches 0.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Nov 11, 2024 | Sep 13, 2024 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Sep 13, 2024 |
| Suse | — | Upgrade kernel-rtUpgrade kernel-rt-develUpgrade dtb-xilinxUpgrade cluster-md-kmp-defaultUpgrade kernel-devel-azureUpgrade dtb-armUpgrade kernel-source-azureUpgrade kernel-azure-vdsoUpgrade dtb-exynosUpgrade kernel-default-optionalUpgrade kernel-devel-rtUpgrade kernel-kvmsmallUpgrade kernel-docsUpgrade kernel-rt_debug-vdsoUpgrade kernel-azure-develUpgrade kernel-rt-livepatch-develUpgrade dtb-qcomUpgrade kernel-64kb-optionalUpgrade kernel-syms-rtUpgrade kernel-debugUpgrade kernel-64kb-develUpgrade dlm-kmp-defaultUpgrade kernel-64kb-livepatch-develUpgrade dtb-apmUpgrade kernel-debug-develUpgrade kernel-64kbUpgrade kernel-zfcpdumpUpgrade kernel-obs-qaUpgrade kernel-azure-livepatch-develUpgrade kernel-default-extraUpgrade reiserfs-kmp-rtUpgrade kernel-default-develUpgrade dtb-amlogicUpgrade ocfs2-kmp-rtUpgrade gfs2-kmp-rtUpgrade kernel-debug-livepatch-develUpgrade gfs2-kmp-64kbUpgrade reiserfs-kmp-azureUpgrade kernel-kvmsmall-develUpgrade kernel-symsUpgrade kernel-syms-azureUpgrade kernel-kvmsmall-livepatch-develUpgrade kernel-macrosUpgrade kselftests-kmp-defaultUpgrade dtb-hisiliconUpgrade cluster-md-kmp-azureUpgrade dtb-amazonUpgrade kernel-sourceUpgrade dlm-kmp-azureUpgrade dtb-amdUpgrade dtb-mediatekUpgrade dtb-socionextUpgrade kselftests-kmp-rtUpgrade cluster-md-kmp-64kbUpgrade kernel-kvmsmall-vdsoUpgrade dtb-allwinnerUpgrade dtb-caviumUpgrade dtb-broadcomUpgrade ocfs2-kmp-defaultUpgrade kernel-default-baseUpgrade dlm-kmp-rtUpgrade kernel-defaultUpgrade dtb-sprdUpgrade reiserfs-kmp-64kbUpgrade gfs2-kmp-defaultUpgrade gfs2-kmp-azureUpgrade kernel-source-vanillaUpgrade kernel-rt_debug-livepatch-develUpgrade kernel-rt_debugUpgrade kernel-default-livepatch-develUpgrade dtb-alteraUpgrade reiserfs-kmp-defaultUpgrade kernel-rt-vdsoUpgrade kernel-default-livepatchUpgrade ocfs2-kmp-64kbUpgrade kernel-azure-optionalUpgrade kernel-rt_debug-develUpgrade dtb-nvidiaUpgrade kernel-azure-extraUpgrade kernel-source-rtUpgrade dtb-renesasUpgrade kernel-default-base-rebuildUpgrade kernel-debug-vdsoUpgrade dtb-rockchipUpgrade dtb-marvellUpgrade dtb-lgUpgrade dtb-freescaleUpgrade ocfs2-kmp-azureUpgrade kernel-docs-htmlUpgrade kselftests-kmp-azureUpgrade kernel-64kb-extraUpgrade kselftests-kmp-64kbUpgrade cluster-md-kmp-rtUpgrade kernel-rt-extraUpgrade kernel-default-vdsoUpgrade dlm-kmp-64kbUpgrade kernel-rt-optionalUpgrade dtb-appleUpgrade kernel-azureUpgrade kernel-develUpgrade kernel-obs-build | Dec 5, 2025 | Oct 8, 2024 |
| Ubuntu | — | Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-lowlatency-64kUpgrade linux-image-raspiUpgrade linux-image-azure-fdeUpgrade linux-image-6.8.0-1017-oracle-64kUpgrade linux-image-nvidia-6.8Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-50-lowlatencyUpgrade linux-image-nvidiaUpgrade linux-image-6.8.0-1018-oemUpgrade linux-image-lowlatencyUpgrade linux-image-6.8.0-1020-azure-fdeUpgrade linux-image-generic-lpaeUpgrade linux-image-azureUpgrade linux-image-6.8.0-1020-awsUpgrade linux-image-awsUpgrade linux-image-oracleUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.8.0-50-generic-64kUpgrade linux-image-6.8.0-50-lowlatency-64kUpgrade linux-image-6.8.0-1015-gkeUpgrade linux-image-oem-22.04dUpgrade linux-image-oem-22.04Upgrade linux-image-6.8.0-1017-oracleUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-6.8.0-1016-raspiUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-6.8.0-1019-gcpUpgrade linux-image-6.8.0-1019-nvidia-lowlatency-64kUpgrade linux-image-genericUpgrade linux-image-6.8.0-1019-nvidia-64kUpgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-6.8.0-1019-nvidia-lowlatencyUpgrade linux-image-oem-24.04aUpgrade linux-image-6.8.0-1020-azureUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-6.8.0-1002-gkeopUpgrade linux-image-oem-22.04cUpgrade linux-image-gkeop-6.8Upgrade linux-image-ibm-classicUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-6.8.0-50-genericUpgrade linux-image-oem-24.04Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-nvidia-64kUpgrade linux-image-oracle-64kUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-virtual-hwe-22.04Upgrade linux-image-generic-64kUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-gcpUpgrade linux-image-ibmUpgrade linux-image-6.8.0-1017-ibmUpgrade linux-image-gkeopUpgrade linux-image-oem-22.04bUpgrade linux-image-gkeUpgrade linux-image-kvmUpgrade linux-image-oem-22.04aUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-6.8.0-1019-nvidiaUpgrade linux-image-virtualUpgrade linux-image-generic-hwe-24.04 | Dec 13, 2024 | Sep 13, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Sep 13, 2024 |
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