CVE-2025-23158

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-23158", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-01-11T14:28:41.515Z", "datePublished": "2025-05-01T12:55:43.804Z", "dateUpdated": "2026-08-05T11:57:09.342Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T11:57:09.342Z"}, "descriptions": [{"lang": "en", "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->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."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:L - The vulnerable HFI queue read/write paths are entered through V4L2 device nodes (/dev/videoN) \u2014 open(), and encode/decode ioctls that emit HFI commands \u2014 plus the driver's own IRQ thread, all requiring local access to the media device. There is no network-facing consumer of this code.\nAC:L - The malicious q_size, read_idx and write_idx are written deterministically into shared memory by the entity the patch models as the adversary; there is no race to win and no memory layout the attacker cannot influence. Repeatedly parking the index just below the end of the queue region makes the overrun reliably reproducible.\nPR:L - Reaching the code needs only an unprivileged process holding an open handle to the venus V4L2 node (Android mediacodec/media HAL, or the `video` group on Linux/automotive builds) \u2014 no capability, module-load, or root check exists anywhere on the path.\nUI:N - Triggering requires only opening the video device and driving normal decode/encode traffic; the ISR and debug-queue flush then run automatically with no victim action.\nS:U - Both the vulnerable driver and the corrupted memory belong to the kernel's own security authority, so impact does not cross into a separate authority such as a hypervisor or IOMMU boundary.\nC:H - The read path copies up to 12 KB from a pointer near the end of the last queue, overrunning the DMA allocation by roughly 8 KB into adjacent kernel pages, and that content is then printed via dev_dbg as a %s debug string and parsed as HFI messages \u2014 a substantial kernel-memory disclosure.\nI:H - The write path performs an out-of-bounds memcpy past the command-queue region, and the resulting corruption of queue state and message contents is fed straight back into hfi_process_msg_packet(), influencing session state and buffer-done handling; memory corruption of this kind is treated as exploitable for control-flow influence.\nA:H - Out-of-bounds reads past the DMA allocation and out-of-bounds writes readily produce oopses, KASAN-detectable faults, or firmware/driver state corruption that wedges the video pipeline, and the condition can be re-triggered at will."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/media/platform/qcom/venus/hfi_venus.c"], "versions": [{"version": "d96d3f30c0f2f564f6922bf4ccdf4464992e31fb", "lessThan": "1b86c1917e16bafbbb08ab90baaff533aa36c62d", 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"cveTags": [], "descriptions": [{"lang": "en", "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->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": "2026-07-30T06:22:17.883", "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": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}, {"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": "Modified", "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"}

{}