Vulnerability · Published Jan 13, 2026 · Assigned by Linux
CVE-2025-68782scsi: target: Reset t_task_cdb pointer in error case
High 7.5
In plain English
A high-severity null pointer dereference in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
In the Linux kernel, the following vulnerability has been resolved: scsi: target: Reset t_task_cdb pointer in error case If allocation of cmd->t_task_cdb fails, it remains NULL but is later dereferenced in the 'err' path. In case of error, reset NULL t_task_cdb value to point at the default fixed-size buffer. Found by Linux Verification Center (linuxtesting.org) with SVACE.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 6.1.162-1 | DEBIAN-CVE-2025-68782 |
| Debian:13 | linux | 6.12.69-1 | DSA-6126-1 |
| Debian:13 | linux | 6.12.69-1 | DEBIAN-CVE-2025-68782 |
| Debian:14 | linux | 6.18.3-1 | DEBIAN-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux | 5.15.0-173.183 | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux | 6.8.0-110.110 | UBUNTU-CVE-2025-68782 |
| Ubuntu:25.10 | linux | 6.17.0-22.22 | USN-8177-1 |
| Ubuntu:25.10 | linux | 6.17.0-22.22 | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1103.110 | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-aws | 6.8.0-1052.55 | UBUNTU-CVE-2025-68782 |
| Ubuntu:25.10 | linux-aws | 6.17.0-1012.12 | USN-8183-2 |
| Ubuntu:25.10 | linux-aws | 6.17.0-1012.12 | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-aws-6.14 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-aws-6.17 | 6.17.0-1012.12~24.04.1 | USN-8183-2 |
| Ubuntu:24.04:LTS | linux-aws-6.17 | 6.17.0-1012.12~24.04.1 | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-aws-6.8 | 6.8.0-1052.55~22.04.1 | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1109.118 | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-azure | 6.8.0-1054.60 | UBUNTU-CVE-2025-68782 |
| Ubuntu:25.10 | linux-azure | 6.17.0-1013.13 | USN-8245-1 |
| Ubuntu:25.10 | linux-azure | 6.17.0-1013.13 | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-azure-6.11 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-azure-6.14 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-azure-6.17 | 6.17.0-1013.13~24.04.1 | USN-8245-1 |
| Ubuntu:24.04:LTS | linux-azure-6.17 | 6.17.0-1013.13~24.04.1 | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-azure-6.8 | 6.8.0-1059.65~22.04.1 | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1109.118.1 | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-azure-fde | 6.8.0-1058.65 | UBUNTU-CVE-2025-68782 |
| Ubuntu:25.10 | linux-azure-fde | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-azure-fde-6.14 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.8 | 6.8.0-1058.65~22.04.1 | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-azure-nvidia | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-azure-nvidia-6.14 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1103.112 | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-gcp | 6.8.0-1054.57 | UBUNTU-CVE-2025-68782 |
| Ubuntu:25.10 | linux-gcp | 6.17.0-1012.12 | USN-8183-1 |
| Ubuntu:25.10 | linux-gcp | 6.17.0-1012.12 | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-gcp-6.11 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-gcp-6.14 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-gcp-6.17 | 6.17.0-1012.12~24.04.1 | USN-8183-1 |
| Ubuntu:24.04:LTS | linux-gcp-6.17 | 6.17.0-1012.12~24.04.1 | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-gcp-6.8 | 6.8.0-1054.57~22.04.1 | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1099.105 | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-gke | 6.8.0-1050.56 | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1086.94 | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-gkeop | 6.8.0-1037.40 | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-hwe-6.11 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-hwe-6.14 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-hwe-6.17 | 6.17.0-22.22~24.04.1 | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-hwe-6.17 | 6.17.0-22.22~24.04.1 | USN-8183-2 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-hwe-6.8 | 6.8.0-110.110~22.04.1 | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1097.100 | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-ibm | 6.8.0-1051.51 | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-ibm-6.8 | 6.8.0-1051.51~22.04.1 | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1098.104 | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1095.100 | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-173.183 | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-lowlatency | 6.8.0-110.110.1 | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-lowlatency-hwe-6.11 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.8 | 6.8.0-110.110.1~22.04.1 | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1098.99 | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-nvidia | 6.8.0-1051.54 | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-nvidia-6.11 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-nvidia-6.17 | 6.17.0-1018.18 | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-nvidia-6.8 | 6.8.0-1051.54~22.04.1 | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-nvidia-lowlatency | 6.8.0-1051.54.1 | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1055.55 | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-nvidia-tegra | 6.8.0-1022.22 | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1044.44 | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-oem-6.11 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-oem-6.14 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-oem-6.17 | 6.17.0-1020.20 | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-oem-6.17 | 6.17.0-1020.20 | USN-8245-1 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-oem-6.8 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1100.106 | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-oracle | 6.8.0-1049.50 | UBUNTU-CVE-2025-68782 |
| Ubuntu:25.10 | linux-oracle | 6.17.0-1011.11 | UBUNTU-CVE-2025-68782 |
| Ubuntu:25.10 | linux-oracle | 6.17.0-1011.11 | USN-8183-2 |
| Ubuntu:24.04:LTS | linux-oracle-6.14 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-oracle-6.17 | 6.17.0-1011.11~24.04.1 | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-oracle-6.17 | 6.17.0-1011.11~24.04.1 | USN-8183-2 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-oracle-6.8 | 6.8.0-1049.50~22.04.1 | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1097.100 | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-raspi | 6.8.0-1052.56 | UBUNTU-CVE-2025-68782 |
| Ubuntu:25.10 | linux-raspi | 6.17.0-1013.13 | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:25.10 | linux-realtime | 6.17.0-1010.11 | USN-8177-1 |
| Ubuntu:25.10 | linux-realtime | 6.17.0-1010.11 | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:25.10 | linux-riscv | 6.17.0-22.22.1 | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-riscv-6.14 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-riscv-6.17 | 6.17.0-22.22.1~24.04.1 | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-riscv-6.8 | 6.8.0-110.110~22.04.1 | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | no fix listed | UBUNTU-CVE-2025-68782 |
| Ubuntu:24.04:LTS | linux-xilinx | 6.8.0-1028.29 | UBUNTU-CVE-2025-68782 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1067.71 | UBUNTU-CVE-2025-68782 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 9e95fb805dc043cc8ed878a08d1583e4097a5f80 – before 6cac97b12bdab04832e0416d049efcd0d48d303b9e95fb805dc043cc8ed878a08d1583e4097a5f80 – before 45fd86b444105c8bd07a763f58635c87e5dc7aea9e95fb805dc043cc8ed878a08d1583e4097a5f80 – before 8727663ded659aad55eef21e3864ebf5a4796a969e95fb805dc043cc8ed878a08d1583e4097a5f80 – before 0260ad551b0815eb788d47f32899fbcd65d6f1289e95fb805dc043cc8ed878a08d1583e4097a5f80 – before 0d36db68fdb8a3325386fd9523b67735f944e1f39e95fb805dc043cc8ed878a08d1583e4097a5f80 – before 8edbb9e371af186b4cf40819dab65fafe109df4d9e95fb805dc043cc8ed878a08d1583e4097a5f80 – before 5053eab38a4c4543522d0c320c639c56a8b59908 |
| Linux | Linux | 5.8 |
Weakness: CWE-476 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://git.kernel.org/stable/c/6cac97b12bdab04832e0416d049efcd0d48d303b
- https://git.kernel.org/stable/c/45fd86b444105c8bd07a763f58635c87e5dc7aea
- https://git.kernel.org/stable/c/8727663ded659aad55eef21e3864ebf5a4796a96
- https://git.kernel.org/stable/c/0260ad551b0815eb788d47f32899fbcd65d6f128
- https://git.kernel.org/stable/c/0d36db68fdb8a3325386fd9523b67735f944e1f3
- https://git.kernel.org/stable/c/8edbb9e371af186b4cf40819dab65fafe109df4d
- https://git.kernel.org/stable/c/5053eab38a4c4543522d0c320c639c56a8b59908
- https://cert-portal.siemens.com/productcert/html/ssa-019113.html
- https://cert-portal.siemens.com/productcert/html/ssa-457936.html