Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: vdpa: Add features attr to vdpa_nl_policy for nlattr length check The vdpa_nl_policy structure is used to validate the nlattr when parsing the incoming nlmsg. It will ensure the attribute being described produces a valid nlattr pointer in info->attrs before entering into each handler in vdpa_nl_ops. That is to say, the missing part in vdpa_nl_policy may lead to illegal nlattr after parsing, which could lead to OOB read just like CVE-2023-3773. This patch adds the missing nla_policy for vdpa features attr to avoid such bugs.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 90fea5a800c3dd80fb8ad9a02929bcef5fde42b8 before 44b508cc96889e61799cc0fc6c00766a54f3ab5a; affected 90fea5a800c3dd80fb8ad9a02929bcef5fde42b8 before 645d17e06c502e71b880b2b854930e5a64014640; affected 90fea5a800c3dd80fb8ad9a02929bcef5fde42b8 before 79c8651587504ba263d2fd67fd4406240fb21f69 |
| Linux / Linux | affected 6.1; unaffected 0 before 6.1; unaffected 6.1.47 through 6.1.*; unaffected 6.4.12 through 6.4.*; unaffected 6.5 through * |
CWE
No CWE identifiers supplied.