CVE-2025-23158 (GCVE-0-2025-23158)
Vulnerability from cvelistv5
Published
2025-05-01 12:55
Modified
2025-11-03 19:42
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: media: venus: hfi: add check to handle incorrect queue size qsize represents size of shared queued between driver and video firmware. Firmware can modify this value to an invalid large value. In such situation, empty_space will be bigger than the space actually available. Since new_wr_idx is not checked, so the following code will result in an OOB write. ... qsize = qhdr->q_size if (wr_idx >= rd_idx) empty_space = qsize - (wr_idx - rd_idx) .... if (new_wr_idx < qsize) { memcpy(wr_ptr, packet, dwords << 2) --> OOB write Add check to ensure qsize is within the allocated size while reading and writing packets into the queue.
References
Impacted products
Vendor Product Version
Linux Linux Version: d96d3f30c0f2f564f6922bf4ccdf4464992e31fb
Version: d96d3f30c0f2f564f6922bf4ccdf4464992e31fb
Version: d96d3f30c0f2f564f6922bf4ccdf4464992e31fb
Version: d96d3f30c0f2f564f6922bf4ccdf4464992e31fb
Version: d96d3f30c0f2f564f6922bf4ccdf4464992e31fb
Version: d96d3f30c0f2f564f6922bf4ccdf4464992e31fb
Version: d96d3f30c0f2f564f6922bf4ccdf4464992e31fb
Version: d96d3f30c0f2f564f6922bf4ccdf4464992e31fb
Version: d96d3f30c0f2f564f6922bf4ccdf4464992e31fb
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: venus: hfi: add check to handle incorrect queue size\n\nqsize represents size of shared queued between driver and video\nfirmware. Firmware can modify this value to an invalid large value. In\nsuch situation, empty_space will be bigger than the space actually\navailable. Since new_wr_idx is not checked, so the following code will\nresult in an OOB write.\n...\nqsize = qhdr-\u003eq_size\n\nif (wr_idx \u003e= rd_idx)\n empty_space = qsize - (wr_idx - rd_idx)\n....\nif (new_wr_idx \u003c qsize) {\n memcpy(wr_ptr, packet, dwords \u003c\u003c 2) --\u003e OOB write\n\nAdd check to ensure qsize is within the allocated size while\nreading and writing packets into the queue."
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    "state": "PUBLISHED"
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