In the Linux kernel, the following vulnerability has been resolved:
maple_tree: fix MA_STATE_PREALLOC flag in mas_preallocate()
Temporarily clear the preallocation flag when explicitly requesting allocations. Pre-existing allocations are already counted against the request through mas_node_count_gfp(), but the allocations will not happen if the MA_STATE_PREALLOC flag is set. This flag is meant to avoid re-allocating in bulk allocation mode, and to detect issues with preallocation calculations.
The MA_STATE_PREALLOC flag should also always be set on zero allocations so that detection of underflow allocations will print a WARN_ON() during consumption.
User visible effect of this flaw is a WARN_ON() followed by a null pointer dereference when subsequent requests for larger number of nodes is ignored, such as the vma merge retry in mmap_region() caused by drivers altering the vma flags (which happens in v6.6, at least)
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 |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade kernel6.12-headersUpgrade kernel-modules-extra-commonUpgrade python3-perf-debuginfoUpgrade kernel-libbpf-staticUpgrade kernel-livepatch-6.1.147-172.266Upgrade kernel-tools-develUpgrade kernel-tools-debuginfoUpgrade python3-perf6.12Upgrade perfUpgrade python3-perfUpgrade perf6.12-debuginfoUpgrade kernel-develUpgrade bpftool-debuginfoUpgrade bpftoolUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-libbpf-debuginfoUpgrade kernel-toolsUpgrade kernel-livepatch-6.12.37-61.105Upgrade kernel6.12-tools-debuginfoUpgrade python3-perf6.12-debuginfoUpgrade kernel6.12-develUpgrade kernel6.12-libbpfUpgrade kernel6.12-debuginfo-common-aarch64Upgrade bpftool6.12Upgrade kernel6.12-modules-extraUpgrade kernel-headersUpgrade kernel6.12-libbpf-staticUpgrade bpftool6.12-debuginfoUpgrade kernel6.12-tools-develUpgrade kernel6.12-modules-extra-commonUpgrade kernelUpgrade kernel-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade perf-debuginfoUpgrade kernel6.12-toolsUpgrade kernel6.12-libbpf-debuginfoUpgrade kernel6.12-debuginfo-common-x86_64Upgrade perf6.12Upgrade kernel-libbpf-develUpgrade kernel6.12Upgrade kernel-modules-extraUpgrade kernel-libbpfUpgrade kernel6.12-libbpf-develUpgrade kernel6.12-debuginfo | Oct 16, 2025 | Jul 25, 2025 |
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Jul 28, 2025 | Jul 28, 2025 |
| Redhat_linux | — | No solution exists | Jul 31, 2025 | Jul 25, 2025 |
| Suse | — | Upgrade kernel-zfcpdumpUpgrade reiserfs-kmp-64kbUpgrade dtb-mediatekUpgrade dtb-xilinxUpgrade kernel-kvmsmallUpgrade kernel-rt_debug-develUpgrade kernel-source-vanillaUpgrade kselftests-kmp-azureUpgrade kernel-kvmsmall-develUpgrade kernel-default-base-rebuildUpgrade kernel-default-livepatchUpgrade ocfs2-kmp-rtUpgrade kernel-64kb-develUpgrade ocfs2-kmp-defaultUpgrade reiserfs-kmp-azureUpgrade cluster-md-kmp-rtUpgrade gfs2-kmp-azureUpgrade dtb-alteraUpgrade kernel-azureUpgrade kernel-azure-optionalUpgrade kernel-64kbUpgrade kernel-source-azureUpgrade dtb-exynosUpgrade dtb-rockchipUpgrade kernel-obs-qaUpgrade kernel-develUpgrade kernel-default-vdsoUpgrade kernel-rtUpgrade kernel-rt-develUpgrade kernel-default-optionalUpgrade gfs2-kmp-rtUpgrade kernel-default-develUpgrade kernel-default-extraUpgrade kernel-macrosUpgrade dtb-freescaleUpgrade gfs2-kmp-64kbUpgrade dtb-allwinnerUpgrade kernel-devel-azureUpgrade kselftests-kmp-64kbUpgrade dlm-kmp-64kbUpgrade kernel-sourceUpgrade kernel-syms-azureUpgrade ocfs2-kmp-64kbUpgrade cluster-md-kmp-azureUpgrade dtb-qcomUpgrade kernel-azure-develUpgrade kernel-devel-rtUpgrade kernel-rt-optionalUpgrade kernel-source-rtUpgrade kernel-symsUpgrade dtb-amazonUpgrade dtb-lgUpgrade dtb-caviumUpgrade dtb-apmUpgrade kernel-rt-livepatchUpgrade kernel-debug-vdsoUpgrade kernel-azure-vdsoUpgrade dtb-sprdUpgrade dtb-amlogicUpgrade kernel-rt_debugUpgrade dtb-appleUpgrade dtb-amdUpgrade kernel-docsUpgrade dlm-kmp-defaultUpgrade dtb-hisiliconUpgrade kernel-default-livepatch-develUpgrade kernel-64kb-extraUpgrade gfs2-kmp-defaultUpgrade dlm-kmp-rtUpgrade dtb-renesasUpgrade kernel-obs-buildUpgrade dlm-kmp-azureUpgrade kernel-debugUpgrade ocfs2-kmp-azureUpgrade kernel-debug-develUpgrade kselftests-kmp-defaultUpgrade kernel-rt-vdsoUpgrade kernel-kvmsmall-vdsoUpgrade cluster-md-kmp-64kbUpgrade kernel-docs-htmlUpgrade kernel-rt-extraUpgrade kselftests-kmp-rtUpgrade kernel-64kb-optionalUpgrade kernel-defaultUpgrade dtb-broadcomUpgrade cluster-md-kmp-defaultUpgrade reiserfs-kmp-defaultUpgrade kernel-default-baseUpgrade dtb-socionextUpgrade kernel-syms-rtUpgrade kernel-azure-extraUpgrade dtb-armUpgrade kernel-rt-livepatch-develUpgrade reiserfs-kmp-rtUpgrade dtb-nvidiaUpgrade kernel-rt_debug-vdsoUpgrade dtb-marvell | Dec 5, 2025 | Aug 18, 2025 |
| Ubuntu | — | Upgrade linux-image-azure-lts-24.04Upgrade linux-image-lowlatency-6.8Upgrade linux-image-6.8.0-1046-nvidia-lowlatencyUpgrade linux-image-6.8.1-1041-realtimeUpgrade linux-image-6.14.0-1015-oracle-64kUpgrade linux-image-gkeop-6.8Upgrade linux-image-lowlatency-64kUpgrade linux-image-nvidia-64kUpgrade linux-image-virtual-6.14Upgrade linux-image-ibm-classicUpgrade linux-image-6.8.0-1046-nvidia-lowlatency-64kUpgrade linux-image-azureUpgrade linux-image-6.8.0-1043-oracleUpgrade linux-image-generic-64k-6.8Upgrade linux-image-generic-lpaeUpgrade linux-image-raspi-6.8Upgrade linux-image-ibm-6.8Upgrade linux-image-lowlatencyUpgrade linux-image-raspi-6.14Upgrade linux-image-6.8.0-1043-gkeUpgrade linux-image-gke-64k-6.8Upgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-azure-nvidia-6.14Upgrade linux-image-gcp-64k-6.14Upgrade linux-image-ibmUpgrade linux-image-aws-6.8Upgrade linux-image-6.14.0-1015-aws-64kUpgrade linux-image-oem-22.04cUpgrade linux-image-aws-fipsUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-azure-fipsUpgrade linux-image-gcp-6.14Upgrade linux-image-gcp-64kUpgrade linux-image-6.8.0-1044-ibmUpgrade linux-image-raspi-realtime-6.8Upgrade linux-image-fips-6.8Upgrade linux-image-raspiUpgrade linux-image-gke-6.8Upgrade linux-image-6.8.0-1046-awsUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-gcp-fipsUpgrade linux-image-gcp-fips-6.8Upgrade linux-image-6.8.0-1051-azureUpgrade linux-image-nvidiaUpgrade linux-image-generic-64kUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-oem-22.04bUpgrade linux-image-6.8.0-100-lowlatency-64kUpgrade linux-image-6.14.0-1014-oemUpgrade linux-image-6.8.0-1047-raspiUpgrade linux-image-realtime-6.8.1Upgrade linux-image-6.8.0-100-genericUpgrade linux-image-genericUpgrade linux-image-6.8.0-100-lowlatencyUpgrade linux-image-oracle-64kUpgrade linux-image-oracle-64k-6.8Upgrade linux-image-virtual-6.8Upgrade linux-image-6.14.0-34-generic-64kUpgrade linux-image-fipsUpgrade linux-image-oem-22.04aUpgrade linux-image-azure-6.14Upgrade linux-image-6.8.0-1043-oracle-64kUpgrade linux-image-oracle-64k-6.14Upgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-gkeopUpgrade linux-image-azure-nvidiaUpgrade linux-image-6.8.0-1047-gcp-fipsUpgrade linux-image-oracle-6.8Upgrade linux-image-6.8.0-1043-gke-64kUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-xilinx-6.8Upgrade linux-image-generic-6.8Upgrade linux-image-oracle-6.14Upgrade linux-image-realtime-hwe-24.04Upgrade linux-image-gke-64kUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-6.8.0-1023-xilinxUpgrade linux-image-aws-64k-6.8Upgrade linux-image-oem-22.04Upgrade linux-image-6.8.0-1046-azureUpgrade linux-image-generic-6.14Upgrade linux-image-intel-iot-realtimeUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-gkeUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-realtimeUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-6.8.0-100-generic-64kUpgrade linux-image-azure-fips-6.8Upgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-aws-64kUpgrade linux-image-awsUpgrade linux-image-virtualUpgrade linux-image-aws-fips-6.8Upgrade linux-image-aws-64k-6.14Upgrade linux-image-6.8.0-1046-nvidia-64kUpgrade linux-image-6.14.0-34-genericUpgrade linux-image-6.14.0-1018-gcpUpgrade linux-image-raspi-realtimeUpgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-aws-lts-24.04Upgrade linux-image-6.14.0-1015-oracleUpgrade linux-image-oem-24.04cUpgrade linux-image-6.14.0-1014-realtimeUpgrade linux-image-6.14.0-1014-azureUpgrade linux-image-xilinxUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-6.8.0-1046-azure-fipsUpgrade linux-image-6.8.0-1046-aws-64kUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-oem-22.04dUpgrade linux-image-6.14.0-1015-awsUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-oem-24.04aUpgrade linux-image-generic-64k-6.14Upgrade linux-image-gcp-6.8Upgrade linux-image-gcpUpgrade linux-image-azure-6.8Upgrade linux-image-6.14.0-1016-raspiUpgrade linux-image-6.14.0-1018-gcp-64kUpgrade linux-image-intel-iotgUpgrade linux-image-6.8.0-1047-gcp-64kUpgrade linux-image-6.8.0-1030-gkeopUpgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-oem-24.04Upgrade linux-image-aws-6.14Upgrade linux-image-6.14.0-1007-azure-nvidiaUpgrade linux-image-realtime-6.14Upgrade linux-image-oem-24.04bUpgrade linux-image-6.8.0-1047-gcpUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-realtime-hwe-22.04Upgrade linux-image-oracleUpgrade linux-image-oem-6.14Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-6.8.0-1046-nvidiaUpgrade linux-image-6.8.0-1046-aws-fipsUpgrade linux-image-nvidia-6.8Upgrade linux-image-6.8.0-2037-raspi-realtimeUpgrade linux-image-6.8.0-100-fipsUpgrade linux-image-kvmUpgrade linux-image-lowlatency-hwe-22.04 | Jul 31, 2025 | Jul 25, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Aug 20, 2025 | Jul 25, 2025 |
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