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 kernel-debuginfoUpgrade python-perf-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade perf-debuginfoUpgrade kernelUpgrade kernel-tools-develUpgrade kernel-headersUpgrade perfUpgrade bpftool-debuginfoUpgrade bpftoolUpgrade kernel-livepatch-5.15.184-125.190Upgrade python-perfUpgrade kernel-toolsUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-devel | May 30, 2025 | Dec 4, 2024 |
| Amazon_linux_2023 | — | Upgrade bpftool-debuginfoUpgrade kernel-toolsUpgrade kernel-modules-extra-commonUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-debuginfoUpgrade kernelUpgrade python3-perfUpgrade kernel-develUpgrade python3-perf-debuginfoUpgrade kernel-tools-develUpgrade kernel-libbpfUpgrade kernel-headersUpgrade kernel-libbpf-staticUpgrade kernel-livepatch-6.1.127-135.201Upgrade kernel-libbpf-develUpgrade kernel-debuginfo-common-aarch64Upgrade perf-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-modules-extraUpgrade bpftoolUpgrade perf | 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-oem-22.04aUpgrade linux-image-oem-20.04cUpgrade linux-image-generic-5.15Upgrade linux-image-kvm-5.15Upgrade linux-image-gcp-fipsUpgrade linux-image-oem-24.04bUpgrade linux-image-aws-fipsUpgrade linux-image-ibm-classicUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-azure-lts-24.04Upgrade linux-image-5.15.0-1085-oracleUpgrade linux-image-6.11.0-1005-realtimeUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-gcpUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-intel-iot-realtime-5.15Upgrade linux-image-6.8.0-1026-oemUpgrade linux-image-intelUpgrade linux-image-6.8.0-1026-nvidia-lowlatencyUpgrade linux-image-6.8.0-58-genericUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-6.11.0-1011-oracle-64kUpgrade linux-image-6.11.0-1015-oemUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-lowlatency-64kUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-raspi-realtimeUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-5.15.0-1094-azureUpgrade linux-image-nvidia-tegra-igx-5.15Upgrade linux-image-5.15.0-144-genericUpgrade linux-image-generic-64kUpgrade linux-image-6.11.0-1011-oracleUpgrade linux-image-oem-20.04dUpgrade linux-image-fips-5.15Upgrade linux-image-gkeop-6.8Upgrade linux-image-nvidia-tegra-igx-rt-5.15Upgrade linux-image-nvidia-tegra-rt-5.15Upgrade linux-image-6.11.0-1009-azure-fdeUpgrade linux-image-oem-22.04cUpgrade linux-image-fipsUpgrade linux-image-intel-iotg-5.15Upgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-ibmUpgrade linux-image-6.8.0-1026-nvidiaUpgrade linux-image-generic-lpaeUpgrade linux-image-gkeopUpgrade linux-image-6.11.0-18-generic-64kUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-azureUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-5.15.0-1094-azure-fipsUpgrade linux-image-5.15.0-1052-xilinx-zynqmpUpgrade linux-image-5.15.0-1088-aws-64kUpgrade linux-image-5.15.0-1041-nvidia-tegraUpgrade linux-image-5.15.0-144-lowlatencyUpgrade linux-image-6.8.0-1026-nvidia-lowlatency-64kUpgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-aws-lts-22.04Upgrade linux-image-6.8.0-1028-gcpUpgrade linux-image-generic-64k-5.15Upgrade linux-image-azure-nvidiaUpgrade linux-image-6.11.0-18-genericUpgrade linux-image-6.8.0-58-lowlatencyUpgrade linux-image-oem-20.04bUpgrade linux-image-6.8.0-2023-raspi-realtimeUpgrade linux-image-oem-22.04bUpgrade linux-image-6.8.1-1020-realtimeUpgrade linux-image-raspiUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-5.15.0-1081-intel-iot-realtimeUpgrade linux-image-intel-iotgUpgrade linux-image-azure-fipsUpgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-5.15.0-144-fipsUpgrade linux-image-genericUpgrade linux-image-nvidia-tegra-5.15Upgrade linux-image-oem-22.04Upgrade linux-image-5.15.0-1088-awsUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-nvidiaUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-nvidia-tegraUpgrade linux-image-azure-fdeUpgrade linux-image-gke-5.15Upgrade linux-image-5.15.0-1082-nvidiaUpgrade linux-image-5.15.0-144-lowlatency-64kUpgrade linux-image-5.15.0-1088-aws-fipsUpgrade linux-image-nvidia-5.15Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-5.15.0-1083-intel-iotgUpgrade linux-image-oracle-5.15Upgrade linux-image-lowlatencyUpgrade linux-image-6.11.0-1010-lowlatencyUpgrade linux-image-5.15.0-1030-nvidia-tegra-igx-rtUpgrade linux-image-6.11.0-1009-azureUpgrade linux-image-5.15.0-1041-nvidia-tegra-rtUpgrade linux-image-6.8.0-1014-azure-nvidiaUpgrade linux-image-6.8.0-58-generic-64kUpgrade linux-image-azure-lts-22.04Upgrade linux-image-awsUpgrade linux-image-5.15.0-1088-realtimeUpgrade linux-image-oem-22.04dUpgrade linux-image-5.15.0-1070-gkeopUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-6.8.0-1027-azureUpgrade linux-image-oracleUpgrade linux-image-6.8.0-1024-oracleUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-nvidia-lowlatency-5.15Upgrade linux-image-5.15.0-1083-raspiUpgrade linux-image-aws-lts-24.04Upgrade linux-image-virtualUpgrade linux-image-5.15.0-1087-gcpUpgrade linux-image-gkeUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-azure-cvmUpgrade linux-image-nvidia-6.8Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-gcp-fips-5.15Upgrade linux-image-5.15.0-144-generic-64kUpgrade linux-image-6.11.0-1010-lowlatency-64kUpgrade linux-image-6.8.0-1027-awsUpgrade linux-image-aws-64k-lts-22.04Upgrade linux-image-ibm-5.15Upgrade linux-image-azure-fips-5.15Upgrade linux-image-5.15.0-1082-nvidia-lowlatencyUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-6.8.0-1028-gcp-64kUpgrade linux-image-6.11.0-1009-gcpUpgrade linux-image-6.8.0-1027-azure-fdeUpgrade linux-image-6.8.0-1026-nvidia-64kUpgrade linux-image-raspi-5.15Upgrade linux-image-oracle-64kUpgrade linux-image-oem-24.04aUpgrade linux-image-gkeop-5.15Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-nvidia-64kUpgrade linux-image-6.11.0-1009-awsUpgrade linux-image-kvmUpgrade linux-image-6.11.0-1008-raspiUpgrade linux-image-5.15.0-1030-nvidia-tegra-igxUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-5.15.0-1087-gcp-fipsUpgrade linux-image-xilinx-zynqmp-5.15Upgrade linux-image-realtime-5.15Upgrade linux-image-lowlatency-64k-5.15Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-gcp-64kUpgrade linux-image-aws-64k-5.15Upgrade linux-image-generic-hwe-20.04Upgrade linux-image-aws-fips-5.15Upgrade linux-image-realtimeUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-oem-24.04Upgrade linux-image-gcp-5.15Upgrade linux-image-6.8.0-1028-raspiUpgrade linux-image-generic-lpae-5.15Upgrade linux-image-aws-5.15Upgrade linux-image-lowlatency-5.15Upgrade linux-image-oem-20.04Upgrade linux-image-5.15.0-1085-gkeUpgrade linux-image-nvidia-tegra-igxUpgrade linux-image-raspi-nolpaeUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-oracle-lts-22.04Upgrade linux-image-azure-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-6.8.0-1024-oracle-64kUpgrade linux-image-5.15.0-144-generic-lpaeUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.8.0-1023-gkeUpgrade linux-image-5.15.0-1080-ibmUpgrade linux-image-virtual-5.15Upgrade linux-image-6.8.0-1024-ibm | 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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