In the Linux kernel, the following vulnerability has been resolved:
sched/task_stack: fix object_is_on_stack() for KASAN tagged pointers
When CONFIG_KASAN_SW_TAGS and CONFIG_KASAN_STACK are enabled, the object_is_on_stack() function may produce incorrect results due to the presence of tags in the obj pointer, while the stack pointer does not have tags. This discrepancy can lead to incorrect stack object detection and subsequently trigger warnings if CONFIG_DEBUG_OBJECTS is also enabled.
Example of the warning:
ODEBUG: object 3eff800082ea7bb0 is NOT on stack ffff800082ea0000, but annotated. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 1 at lib/debugobjects.c:557 __debug_object_init+0x330/0x364 Modules linked in: CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.12.0-rc5 #4 Hardware name: linux,dummy-virt (DT) pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __debug_object_init+0x330/0x364 lr : __debug_object_init+0x330/0x364 sp : ffff800082ea7b40 x29: ffff800082ea7b40 x28: 98ff0000c0164518 x27: 98ff0000c0164534 x26: ffff800082d93ec8 x25: 0000000000000001 x24: 1cff0000c00172a0 x23: 0000000000000000 x22: ffff800082d93ed0 x21: ffff800081a24418 x20: 3eff800082ea7bb0 x19: efff800000000000 x18: 0000000000000000 x17: 00000000000000ff x16: 0000000000000047 x15: 206b63617473206e x14: 0000000000000018 x13: ffff800082ea7780 x12: 0ffff800082ea78e x11: 0ffff800082ea790 x10: 0ffff800082ea79d x9 : 34d77febe173e800 x8 : 34d77febe173e800 x7 : 0000000000000001 x6 : 0000000000000001 x5 : feff800082ea74b8 x4 : ffff800082870a90 x3 : ffff80008018d3c4 x2 : 0000000000000001 x1 : ffff800082858810 x0 : 0000000000000050 Call trace: __debug_object_init+0x330/0x364 debug_object_init_on_stack+0x30/0x3c schedule_hrtimeout_range_clock+0xac/0x26c schedule_hrtimeout+0x1c/0x30 wait_task_inactive+0x1d4/0x25c kthread_bind_mask+0x28/0x98 init_rescuer+0x1e8/0x280 workqueue_init+0x1a0/0x3cc kernel_init_freeable+0x118/0x200 kernel_init+0x28/0x1f0 ret_from_fork+0x10/0x20 ---[ end trace 0000000000000000 ]--- ODEBUG: object 3eff800082ea7bb0 is NOT on stack ffff800082ea0000, but annotated. ------------[ cut here ]------------
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 Ami 2 | — | Upgrade python-perfUpgrade bpftool-debuginfoUpgrade kernel-develUpgrade perfUpgrade kernel-toolsUpgrade kernel-livepatch-5.15.184-125.190Upgrade kernel-debuginfo-common-aarch64Upgrade bpftoolUpgrade kernel-headersUpgrade perf-debuginfoUpgrade kernel-tools-debuginfoUpgrade python-perf-debuginfoUpgrade kernel-tools-develUpgrade kernelUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-debuginfo | May 30, 2025 | Dec 4, 2024 |
| Amazon_linux_2023 | — | Upgrade kernel-debuginfo-common-x86_64Upgrade kernel-modules-extra-commonUpgrade bpftool-debuginfoUpgrade kernel-toolsUpgrade kernel-debuginfoUpgrade kernelUpgrade bpftoolUpgrade perfUpgrade kernel-modules-extraUpgrade kernel-tools-develUpgrade kernel-libbpfUpgrade python3-perf-debuginfoUpgrade kernel-libbpf-staticUpgrade kernel-debuginfo-common-aarch64Upgrade perf-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-libbpf-develUpgrade kernel-headersUpgrade python3-perfUpgrade kernel-livepatch-6.1.127-135.201Upgrade kernel-devel | Mar 27, 2025 | Dec 4, 2024 |
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Feb 10, 2025 | Dec 4, 2024 |
| Oracle_linux | — | Upgrade kernel-uek | Jul 17, 2025 | Dec 4, 2024 |
| Ubuntu | — | Upgrade linux-image-azure-nvidiaUpgrade linux-image-5.15.0-144-lowlatencyUpgrade linux-image-oem-22.04bUpgrade linux-image-6.8.0-1026-nvidia-lowlatency-64kUpgrade linux-image-oem-20.04bUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-raspiUpgrade linux-image-generic-64k-5.15Upgrade linux-image-azure-lts-22.04Upgrade linux-image-oem-22.04cUpgrade linux-image-nvidia-tegra-igx-rt-5.15Upgrade linux-image-azureUpgrade linux-image-6.11.0-1011-oracleUpgrade linux-image-generic-64kUpgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-5.15.0-1094-azure-fipsUpgrade linux-image-intel-iot-realtime-5.15Upgrade linux-image-gkeop-6.8Upgrade linux-image-gcp-lts-22.04Upgrade linux-image-5.15.0-1081-intel-iot-realtimeUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-nvidia-5.15Upgrade linux-image-5.15.0-1094-azureUpgrade linux-image-fips-5.15Upgrade linux-image-intel-iot-realtimeUpgrade linux-image-raspi-realtimeUpgrade linux-image-6.8.0-58-genericUpgrade linux-image-6.8.0-1026-nvidia-lowlatencyUpgrade linux-image-5.15.0-1085-oracleUpgrade linux-image-lowlatency-64kUpgrade linux-image-oem-20.04dUpgrade linux-image-aws-lts-22.04Upgrade linux-image-oem-20.04cUpgrade linux-image-5.15.0-1041-nvidia-tegra-rtUpgrade linux-image-gcp-fipsUpgrade linux-image-5.15.0-1030-nvidia-tegra-igx-rtUpgrade linux-image-nvidia-tegra-5.15Upgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-oracle-5.15Upgrade linux-image-5.15.0-1052-xilinx-zynqmpUpgrade linux-image-6.8.0-1028-gcpUpgrade linux-image-gcpUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-5.15.0-144-fipsUpgrade linux-image-ibmUpgrade linux-image-6.11.0-1009-azureUpgrade linux-image-5.15.0-1088-aws-64kUpgrade linux-image-intel-iotg-5.15Upgrade linux-image-6.11.0-1015-oemUpgrade linux-image-5.15.0-1082-nvidiaUpgrade linux-image-6.11.0-1011-oracle-64kUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-ibm-classicUpgrade linux-image-kvm-5.15Upgrade linux-image-lowlatencyUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-gkeopUpgrade linux-image-aws-fipsUpgrade linux-image-6.8.0-58-generic-64kUpgrade linux-image-6.11.0-1005-realtimeUpgrade linux-image-6.8.0-1026-oemUpgrade linux-image-5.15.0-144-genericUpgrade linux-image-6.11.0-18-generic-64kUpgrade linux-image-nvidia-tegra-igx-5.15Upgrade linux-image-nvidia-tegra-rt-5.15Upgrade linux-image-intelUpgrade linux-image-oem-22.04aUpgrade linux-image-generic-5.15Upgrade linux-image-oem-24.04bUpgrade linux-image-5.15.0-1041-nvidia-tegraUpgrade linux-image-genericUpgrade linux-image-gke-5.15Upgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-virtual-hwe-22.04Upgrade linux-image-5.15.0-1083-intel-iotgUpgrade linux-image-6.11.0-1010-lowlatencyUpgrade linux-image-6.8.0-1014-azure-nvidiaUpgrade linux-image-5.15.0-1088-aws-fipsUpgrade linux-image-nvidia-tegraUpgrade linux-image-oem-22.04Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-nvidiaUpgrade linux-image-6.11.0-18-genericUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-azure-fdeUpgrade linux-image-azure-lts-24.04Upgrade linux-image-generic-lpaeUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-5.15.0-144-lowlatency-64kUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-6.8.0-58-lowlatencyUpgrade linux-image-6.8.0-1026-nvidiaUpgrade linux-image-5.15.0-1088-awsUpgrade linux-image-fipsUpgrade linux-image-intel-iotgUpgrade linux-image-6.8.1-1020-realtimeUpgrade linux-image-6.8.0-2023-raspi-realtimeUpgrade linux-image-azure-fipsUpgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-6.11.0-1009-azure-fdeUpgrade linux-image-oracleUpgrade linux-image-kvmUpgrade linux-image-xilinx-zynqmp-5.15Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-ibm-5.15Upgrade linux-image-6.11.0-1009-awsUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1024-ibmUpgrade linux-image-5.15.0-144-generic-lpaeUpgrade linux-image-virtual-5.15Upgrade linux-image-5.15.0-1080-ibmUpgrade linux-image-awsUpgrade linux-image-6.8.0-1026-nvidia-64kUpgrade linux-image-6.8.0-1023-gkeUpgrade linux-image-5.15.0-1087-gcpUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-6.8.0-1024-oracleUpgrade linux-image-6.8.0-1027-azureUpgrade linux-image-5.15.0-1070-gkeopUpgrade linux-image-nvidia-lowlatency-5.15Upgrade linux-image-virtualUpgrade linux-image-6.8.0-1024-oracle-64kUpgrade linux-image-gkeUpgrade linux-image-realtime-5.15Upgrade linux-image-6.11.0-1009-gcpUpgrade linux-image-azure-5.15Upgrade linux-image-lowlatency-64k-5.15Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-aws-64k-5.15Upgrade linux-image-5.15.0-1087-gcp-fipsUpgrade linux-image-gcp-64kUpgrade linux-image-5.15.0-1085-gkeUpgrade linux-image-realtimeUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-lowlatency-5.15Upgrade linux-image-6.8.0-58-lowlatency-64kUpgrade linux-image-6.8.0-1010-gkeopUpgrade linux-image-5.15.0-1084-kvmUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-nvidia-tegra-igxUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-oem-24.04Upgrade linux-image-virtual-hwe-20.04Upgrade linux-image-raspi-nolpaeUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-azure-fips-5.15Upgrade linux-image-6.11.0-1010-lowlatency-64kUpgrade linux-image-nvidia-6.8Upgrade linux-image-5.15.0-144-generic-64kUpgrade linux-image-5.15.0-1082-nvidia-lowlatencyUpgrade linux-image-6.8.0-1027-awsUpgrade linux-image-6.8.0-1028-gcp-64kUpgrade linux-image-6.8.0-1027-azure-fdeUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-aws-64k-lts-22.04Upgrade linux-image-azure-cvmUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-oem-24.04aUpgrade linux-image-gcp-fips-5.15Upgrade linux-image-raspi-5.15Upgrade linux-image-gkeop-5.15Upgrade linux-image-oracle-64kUpgrade linux-image-gcp-5.15Upgrade linux-image-6.8.0-1028-raspiUpgrade linux-image-5.15.0-1088-realtimeUpgrade linux-image-aws-5.15Upgrade linux-image-generic-lpae-5.15Upgrade linux-image-oem-22.04dUpgrade linux-image-oem-20.04Upgrade linux-image-aws-fips-5.15Upgrade linux-image-generic-hwe-20.04Upgrade linux-image-6.11.0-1008-raspiUpgrade linux-image-5.15.0-1083-raspiUpgrade linux-image-5.15.0-1030-nvidia-tegra-igxUpgrade linux-image-aws-lts-24.04Upgrade linux-image-nvidia-64k | Feb 20, 2025 | Dec 4, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Sep 24, 2025 | Dec 4, 2024 |
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