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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->q_size\n\nif (wr_idx >= rd_idx)\n empty_space = qsize - (wr_idx - rd_idx)\n....\nif (new_wr_idx < qsize) {\n memcpy(wr_ptr, packet, dwords << 2) --> OOB write\n\nAdd check to ensure qsize is within the allocated size while\nreading and writing packets into the queue."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: media: venus: hfi: se ha a\u00f1adido una comprobaci\u00f3n para gestionar el tama\u00f1o incorrecto de queue size qsize representa el tama\u00f1o de la cola compartida entre el controlador y el firmware de v\u00eddeo. El firmware puede modificar este valor a un valor grande no v\u00e1lido. En tal situaci\u00f3n, el espacio vac\u00edo ser\u00e1 mayor que el espacio realmente disponible. Dado que new_wr_idx no se comprueba, el siguiente c\u00f3digo resultar\u00e1 en una escritura fuera de banda (OOB). ... qsize = qhdr-&gt;q_size if (wr_idx &gt;= rd_idx) empty_space = qsize - (wr_idx - rd_idx) .... if (new_wr_idx &lt; qsize) { memcpy(wr_ptr, packet, dwords &lt;&lt; 2) --&gt; Escritura fuera de banda (OOB). Se ha a\u00f1adido una comprobaci\u00f3n para garantizar que qsize se encuentre dentro del tama\u00f1o asignado al leer y escribir paquetes en la cola."}], "id": "CVE-2025-23158", "lastModified": "2025-11-05T17:55:11.250", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-05-01T13:15:51.733", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/101a86619aab42bb61f2253bbf720121022eab86"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1b86c1917e16bafbbb08ab90baaff533aa36c62d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/32af5c1fdb9bc274f52ee0472d3b060b18e4aab4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/40084302f639b3fe954398c5ba5ee556b7242b54"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/679424f8b31446f90080befd0300ea915485b096"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/69baf245b23e20efda0079238b27fc63ecf13de1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a45957bcde529169188929816775a575de77d84f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cf5f7bb4e0d786f4d9d50ae6b5963935eab71d75"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/edb89d69b1438681daaf5ca90aed3242df94cc96"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List"], "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List"], "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: media: venus: hfi: add check to handle incorrect queue size", "id": "2363343", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2363343"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nmedia: venus: hfi: add check to handle incorrect queue size\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->q_size\nif (wr_idx >= rd_idx)\nempty_space = qsize - (wr_idx - rd_idx)\n....\nif (new_wr_idx < qsize) {\nmemcpy(wr_ptr, packet, dwords << 2) --> OOB write\nAdd check to ensure qsize is within the allocated size while\nreading and writing packets into the queue."], "name": "CVE-2025-23158", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-05-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-23158\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-23158\nhttps://lore.kernel.org/linux-cve-announce/2025050130-CVE-2025-23158-d20a@gregkh/T"], "threat_severity": "Moderate"}

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