CVE-2026-98145
Last modified
CVE-2026-98145 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: reject a command chain that carries no commands A chain whose command_count is zero passes the payload length check, because struct_size(payload, data, 0) is just the header. The fill loop then does not run, so offset stays zero and the request is submitted with a zero-length buffer. On firmware without AIE2_NPU_COMMAND that ends at the opcode check, since op is still ERT_INVALID_CMD and aie2_get_chain_msg_op() answers MSG_OP_MAX_OPCODE. EPSS estimates a 0.14% chance of exploitation in the next 30 days.
Description
In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: reject a command chain that carries no commands A chain whose command_count is zero passes the payload length check, because struct_size(payload, data, 0) is just the header. The fill loop then does not run, so offset stays zero and the request is submitted with a zero-length buffer. On firmware without AIE2_NPU_COMMAND that ends at the opcode check, since op is still ERT_INVALID_CMD and aie2_get_chain_msg_op() answers MSG_OP_MAX_OPCODE. aie2_get_npu_chain_msg_op() answers MSG_OP_CHAIN_EXEC_NPU whatever it is given, so there the submission continues to drm_clflush_virt_range(cmd_buf, 0), which reads the byte before the buffer and faults on the vmap guard page. EXEC_CMD is reachable by any process that can open the render node. Reject the request instead.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | >= 7.1, < 7.2.7 | — |
| Linux | Linux Kernel | 7.3 | Rc1 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-98145?
How severe is CVE-2026-98145?
How do I fix CVE-2026-98145?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-9814An OS command injection vulnerability exists in the boa form…9.1
- CVE-2026-98140In the Linux kernel, the following vulnerability has been re…5.5
- CVE-2026-98141In the Linux kernel, the following vulnerability has been re…5.5
- CVE-2026-98142In the Linux kernel, the following vulnerability has been re…5.5
- CVE-2026-98143In the Linux kernel, the following vulnerability has been re…7.8
- CVE-2026-98144In the Linux kernel, the following vulnerability has been re…5.5
- CVE-2026-98146In the Linux kernel, the following vulnerability has been re…5.5
- CVE-2026-98147In the Linux kernel, the following vulnerability has been re…5.5
- CVE-2026-98148In the Linux kernel, the following vulnerability has been re…5.5
- CVE-2026-98149In the Linux kernel, the following vulnerability has been re…7.8
- CVE-2026-9815The MagicForm WordPress plugin through 0.1.3 does not proper…6.5
- CVE-2026-98150In the Linux kernel, the following vulnerability has been re…7
Are you affected by CVE-2026-98145?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
