CVE-2026-92496
Last modified
CVE-2026-92496 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: Avoid buffer overread in ath11k_wmi_tlv_op_rx() Currently, in ath11k_wmi_tlv_op_rx(), the firmware buffer is read without first verifying that the buffer has enough data to hold a header. This could result in a buffer overread. Add an upfront length check before dereferencing skb->data as a wmi_cmd_hdr.
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: Avoid buffer overread in ath11k_wmi_tlv_op_rx() Currently, in ath11k_wmi_tlv_op_rx(), the firmware buffer is read without first verifying that the buffer has enough data to hold a header. This could result in a buffer overread. Add an upfront length check before dereferencing skb->data as a wmi_cmd_hdr. The check is placed before the trace_ath11k_wmi_event() call to preserve the existing trace semantics (tracing the full raw WMI event including the header), unlike the analogous ath12k fix which could use skb_pull_data() directly. Compile tested only.
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | >= d5c65159f2895379e11ca13f62feabe93278985d, < 20166fd9a4ad15d7eccc63c9dc99680aea6558ef; >= d5c65159f2895379e11ca13f62feabe93278985d, < 71690d26c1415e816158b45ee354367244c50d4c; >= d5c65159f2895379e11ca13f62feabe93278985d, < f9726f6d97dca94ab14739c8b632301a940a7e8f; >= d5c65159f2895379e11ca13f62feabe93278985d, < 2677fc48dd10dc08cdec99c2692d50fe5f48dcbf; >= d5c65159f2895379e11ca13f62feabe93278985d, < 9652e7e23137538169f60323300cae3413475685; >= d5c65159f2895379e11ca13f62feabe93278985d, < 72a5e45f606ec454ef556a68ffd92e06b0677f44; >= d5c65159f2895379e11ca13f62feabe93278985d, < 9ddbc95dac167e3f2d0e3859e6ce022ae0184fc1; >= d5c65159f2895379e11ca13f62feabe93278985d, < 9ef9dd30058cc9223c72f711dca1a28a5947d0c5 |
| Linux | Linux | 5.6 |
References
Timeline
- Published
- Last Modified
- Status
- Received
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