CVE-2026-74445None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: reject DX_BIND_QUERY without a DX context vmw_cmd_dx_bind_query() unconditionally dereferences sw_context->dx_ctx_node->ctx. Userspace can trigger a NULL …
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Nov 5.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.2%
Last analysed / modified upstream
0.2% → 0.2%
In the Linux kernel, the following vulnerability has been resolved:
drm/vmwgfx: reject DX_BIND_QUERY without a DX context
vmw_cmd_dx_bind_query() unconditionally dereferences sw_context->dx_ctx_node->ctx. Userspace can trigger a NULL pointer dereference from any render-node fd by submitting an execbuf with dx_context_handle == SVGA3D_INVALID_ID and a SVGA_3D_CMD_DX_BIND_QUERY opcode in the command stream: dx_ctx_node is left NULL and the kernel oopses on the assignment. The same NULL is then re-read in vmw_resources_reserve() via vmw_context_get_dx_query_mob().
All sibling DX handlers fail-close on a missing dx_ctx_node using VMW_GET_CTX_NODE(). Use the same pattern here, returning -EINVAL up front before any relocation state is published.
Linux >= 9c079b8ce8bf8e0394149eb39c78b04285644bcc < 6af8f0571b4f07e9b102641f195e0ae3cd3a6c71Linux >= 9c079b8ce8bf8e0394149eb39c78b04285644bcc < 7eae011829f94a76470ec76f016805f508437755Linux >= 9c079b8ce8bf8e0394149eb39c78b04285644bcc < 0634d50e8b398c25bd07c96b048e484d22688c26Linux >= 9c079b8ce8bf8e0394149eb39c78b04285644bcc < e479240a1e076ba1104236331abd62400bf1d495Linux >= 9c079b8ce8bf8e0394149eb39c78b04285644bcc < 6b1eb0b63cc153e1c0cb5ab8350950119be11947Linux >= 9c079b8ce8bf8e0394149eb39c78b04285644bcc < 55ec09c9ce10b1272802c7ab6c1be2ea0dbc68dbLinux 4.20Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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