In the Linux kernel, the following vulnerability has been resolved:
media: ts2020: fix null-ptr-deref in ts2020_probe()
KASAN reported a null-ptr-deref issue when executing the following command:
# echo ts2020 0x20 > /sys/bus/i2c/devices/i2c-0/new_device KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] CPU: 53 UID: 0 PID: 970 Comm: systemd-udevd Not tainted 6.12.0-rc2+ #24 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009) RIP: 0010:ts2020_probe+0xad/0xe10 [ts2020] RSP: 0018:ffffc9000abbf598 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffffc0714809 RDX: 0000000000000002 RSI: ffff88811550be00 RDI: 0000000000000010 RBP: ffff888109868800 R08: 0000000000000001 R09: fffff52001577eb6 R10: 0000000000000000 R11: ffffc9000abbff50 R12: ffffffffc0714790 R13: 1ffff92001577eb8 R14: ffffffffc07190d0 R15: 0000000000000001 FS: 00007f95f13b98c0(0000) GS:ffff888149280000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555d2634b000 CR3: 0000000152236000 CR4: 00000000000006f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> ts2020_probe+0xad/0xe10 [ts2020] i2c_device_probe+0x421/0xb40 really_probe+0x266/0x850 ...
The cause of the problem is that when using sysfs to dynamically register an i2c device, there is no platform data, but the probe process of ts2020 needs to use platform data, resulting in a null pointer being accessed.
Solve this problem by adding checks to platform data.
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 |
|---|---|---|---|---|
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Jan 13, 2025 | Dec 27, 2024 |
| Huawei Euleros 2_0_sp11 | — | Upgrade python3-perfUpgrade kernel-tools-libsUpgrade kernelUpgrade bpftoolUpgrade kernel-toolsUpgrade kernel-abi-stablelists | Apr 11, 2025 | Dec 27, 2024 |
| Huawei Euleros 2_0_sp12 | — | Upgrade kernel-abi-stablelistsUpgrade kernel-tools-libsUpgrade kernel-toolsUpgrade bpftoolUpgrade kernelUpgrade python3-perf | Mar 19, 2025 | Dec 27, 2024 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-tools-libsUpgrade python3-perfUpgrade kernel-toolsUpgrade bpftoolUpgrade kernel-abi-stablelistsUpgrade kernel | Apr 1, 2025 | Dec 27, 2024 |
| Oracle_linux | — | Upgrade kernel-uek | Feb 11, 2025 | Dec 27, 2024 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Dec 27, 2024 |
| Ubuntu | — | Upgrade linux-image-6.11.0-21-genericUpgrade linux-image-5.15.0-1073-intel-iot-realtimeUpgrade linux-image-5.4.0-1129-kvmUpgrade linux-image-5.15.0-1084-azureUpgrade linux-image-intelUpgrade linux-image-oem-22.04cUpgrade linux-image-gkeopUpgrade linux-image-oem-20.04dUpgrade linux-image-gcpUpgrade linux-image-6.8.1-1020-realtimeUpgrade linux-image-5.4.0-1147-azure-fipsUpgrade linux-image-azure-nvidiaUpgrade linux-image-5.15.0-1077-gkeUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-5.4.0-211-lowlatencyUpgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-oracle-lts-20.04Upgrade linux-image-lowlatencyUpgrade linux-image-6.11.0-1012-azureUpgrade linux-image-lowlatency-64kUpgrade linux-image-gcp-64kUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-gkeop-6.8Upgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-aws-lts-20.04Upgrade linux-image-6.8.0-58-genericUpgrade linux-image-6.8.0-1026-oemUpgrade linux-image-6.8.0-58-lowlatency-64kUpgrade linux-image-5.15.0-1080-realtimeUpgrade linux-image-5.4.0-1145-gcp-fipsUpgrade linux-image-5.15.0-135-lowlatencyUpgrade linux-image-6.8.0-1026-nvidia-lowlatency-64kUpgrade linux-image-5.15.0-1075-intel-iotgUpgrade linux-image-5.15.0-135-genericUpgrade linux-image-5.15.0-1074-ibmUpgrade linux-image-5.4.0-1129-raspiUpgrade linux-image-5.15.0-1033-nvidia-tegra-rtUpgrade linux-image-5.4.0-1142-awsUpgrade linux-image-nvidiaUpgrade linux-image-5.15.0-1021-nvidia-tegra-igx-rtUpgrade linux-image-5.15.0-135-generic-64kUpgrade linux-image-azure-lts-22.04Upgrade linux-image-oem-20.04bUpgrade linux-image-oem-osp1Upgrade linux-image-oracle-64kUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-oem-22.04aUpgrade linux-image-6.11.0-1007-realtimeUpgrade linux-image-5.15.0-1076-kvmUpgrade linux-image-5.15.0-1033-nvidia-tegraUpgrade linux-image-6.11.0-1013-oracleUpgrade linux-image-5.15.0-1079-gcp-fipsUpgrade linux-image-oem-22.04Upgrade linux-image-oem-20.04cUpgrade linux-image-5.15.0-1074-nvidia-lowlatencyUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-nvidia-tegraUpgrade linux-image-5.15.0-1074-raspiUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-ibm-lts-20.04Upgrade linux-image-5.4.0-1147-azureUpgrade linux-image-ibm-classicUpgrade linux-image-ibmUpgrade linux-image-6.11.0-1011-lowlatencyUpgrade linux-image-5.15.0-1086-azureUpgrade linux-image-nvidia-64kUpgrade linux-image-generic-lpaeUpgrade linux-image-5.15.0-1080-awsUpgrade linux-image-5.4.0-1145-gcpUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-gke-5.15Upgrade linux-image-azure-lts-24.04Upgrade linux-image-5.4.0-1060-xilinx-zynqmpUpgrade linux-image-5.4.0-211-generic-lpaeUpgrade linux-image-azureUpgrade linux-image-6.8.0-58-lowlatencyUpgrade linux-image-azure-fdeUpgrade linux-image-intel-iotgUpgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-5.15.0-1021-nvidia-tegra-igxUpgrade linux-image-6.8.0-1024-ibmUpgrade linux-image-aws-lts-22.04Upgrade linux-image-6.8.0-1028-gcp-64kUpgrade linux-image-6.8.0-1028-gcpUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-gcp-fipsUpgrade linux-image-raspiUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-5.15.0-1062-gkeopUpgrade linux-image-6.11.0-1011-gcpUpgrade linux-image-oemUpgrade linux-image-generic-64kUpgrade linux-image-5.4.0-1101-bluefieldUpgrade linux-image-5.4.0-1140-oracleUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-genericUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-nvidia-6.8Upgrade linux-image-intel-iot-realtimeUpgrade linux-image-6.8.0-58-generic-64kUpgrade linux-image-oem-24.04aUpgrade linux-image-6.8.0-1026-nvidiaUpgrade linux-image-6.8.0-1027-azure-fdeUpgrade linux-image-6.11.0-21-generic-64kUpgrade linux-image-5.15.0-1083-azure-fipsUpgrade linux-image-6.8.0-1014-azure-nvidiaUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-5.15.0-1077-oracleUpgrade linux-image-5.15.0-135-fipsUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-oracleUpgrade linux-image-aws-lts-24.04Upgrade linux-image-gcp-lts-20.04Upgrade linux-image-5.15.0-1044-xilinx-zynqmpUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-5.15.0-1072-ibmUpgrade linux-image-5.4.0-1048-iotUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-5.15.0-136-generic-lpaeUpgrade linux-image-generic-hwe-18.04Upgrade linux-image-virtualUpgrade linux-image-6.8.0-1028-raspiUpgrade linux-image-oem-24.04Upgrade linux-image-raspi-nolpaeUpgrade linux-image-virtual-hwe-18.04Upgrade linux-image-oracle-lts-22.04Upgrade linux-image-6.8.0-1024-oracle-64kUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-6.8.0-2023-raspi-realtimeUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-5.15.0-1086-azure-fdeUpgrade linux-image-raspi2Upgrade linux-image-azure-lts-20.04Upgrade linux-image-5.15.0-1077-intel-iotgUpgrade linux-image-5.4.0-1116-fipsUpgrade linux-image-6.8.0-1026-nvidia-64kUpgrade linux-image-5.4.0-1090-ibmUpgrade linux-image-6.8.0-1026-nvidia-lowlatencyUpgrade linux-image-5.15.0-136-generic-64kUpgrade linux-image-6.11.0-1017-oemUpgrade linux-image-6.8.0-1023-gkeUpgrade linux-image-6.11.0-1011-gcp-64kUpgrade linux-image-6.8.0-1024-oracleUpgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-fipsUpgrade linux-image-aws-fipsUpgrade linux-image-5.15.0-1079-gcpUpgrade linux-image-6.11.0-1013-oracle-64kUpgrade linux-image-6.8.0-1027-awsUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-gkeUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-awsUpgrade linux-image-6.8.0-1027-azureUpgrade linux-image-5.15.0-1074-nvidiaUpgrade linux-image-gkeop-5.15Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-azure-cvmUpgrade linux-image-kvmUpgrade linux-image-oem-24.04bUpgrade linux-image-bluefieldUpgrade linux-image-6.11.0-1012-azure-fdeUpgrade linux-image-6.11.0-1011-awsUpgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-azure-fipsUpgrade linux-image-5.4.0-1142-aws-fipsUpgrade linux-image-5.4.0-1088-ibmUpgrade linux-image-5.15.0-135-generic-lpaeUpgrade linux-image-5.15.0-1080-aws-fipsUpgrade linux-image-5.4.0-211-genericUpgrade linux-image-realtimeUpgrade linux-image-6.11.0-1010-raspiUpgrade linux-image-5.15.0-136-genericUpgrade linux-image-6.8.0-1010-gkeopUpgrade linux-image-oem-22.04bUpgrade linux-image-5.15.0-135-lowlatency-64kUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-oem-20.04Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-oem-22.04dUpgrade linux-image-6.11.0-1011-lowlatency-64kUpgrade linux-image-5.15.0-1081-gcpUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-raspi-realtimeUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-nvidia-tegra-igxUpgrade linux-image-raspi-hwe-18.04 | Mar 28, 2025 | Dec 27, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 13, 2025 | Dec 27, 2024 |
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