CVE-2023-52916

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Run script as below on host to do sha continuously\n #!/bin/bash\n while [ [1] ];\n do\n\tfind /media -type f -printf '\"%h/%f\"\\n' | xargs sha256sum\n done\n4. Open KVM on OpenBMC's web\n\nThe size of macro block captured is 8x8. Therefore, we should make sure\nthe height of src-buf is 8 aligned to fix this issue."}], "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 path is reached through the local V4L2 device node (/dev/video*) via open, VIDIOC_S_DV_TIMINGS, and streaming ioctls on the BMC; the kernel does not process network packets in this driver.\nAC:L - Any non-8-aligned capture height (e.g. 1600x900) reliably allocates an undersized DMA buffer and the hardware always writes past it; an attacker who can open the device can set such timings and start streaming without depending on conditions outside their control.\nPR:L - The driver performs no capability checks; access requires only open permission on the V4L2 device (typically video-group membership), not real root or init-namespace admin privileges.\nUI:N - A local attacker with device access can open the capture device, set undersized timings, and start streaming themselves without any separate victim action.\nS:U - Impact is memory corruption within the same BMC kernel security authority that hosts the vulnerable driver; this is standard local privilege escalation, not a cross-boundary escape.\nC:H - The out-of-bounds DMA write is substantial kernel memory corruption (~25KB at 1600x900, more at other non-aligned modes) that can be leveraged for information disclosure primitives.\nI:H - Hardware DMA performs a large out-of-bounds write of capturable framebuffer data into adjacent coherent DMA/kernel memory, which is exploitable for integrity compromise and control-flow hijacking.\nA:H - The memory overwrite is documented to crash the system (kernel oops/panic) under realistic OpenBMC KVM capture workloads."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/media/platform/aspeed/aspeed-video.c"], "versions": [{"version": "d2b4387f3bdf016e266d23cf657465f557721488", "lessThan": "4c823e4027dd1d6e88c31028dec13dd19bc7b02d", "status": "affected", "versionType": "git"}, {"version": "d2b4387f3bdf016e266d23cf657465f557721488", "lessThan": "c281355068bc258fd619c5aefd978595bede7bfe", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/media/platform/aspeed/aspeed-video.c"], "versions": [{"version": "5.0", "status": "affected"}, {"version": "0", "lessThan": "5.0", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.120", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0", "versionEndExcluding": "6.1.120"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0", "versionEndExcluding": "6.6"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/4c823e4027dd1d6e88c31028dec13dd19bc7b02d"}, {"url": "https://git.kernel.org/stable/c/c281355068bc258fd619c5aefd978595bede7bfe"}], "title": "media: aspeed: Fix memory overwrite if timing is 1600x900", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-09-09T20:43:04.212290Z", "id": "CVE-2023-52916", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-29T13:22:28.595Z"}}, {"title": "CVE Program Container", "references": [{"url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T20:36:16.639Z"}}]}}

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Use 1600x900 to display on host\n2. Mount ISO through 'Virtual media' on OpenBMC's web\n3. Run script as below on host to do sha continuously\n #!/bin/bash\n while [ [1] ];\n do\n\tfind /media -type f -printf '\"%h/%f\"\\n' | xargs sha256sum\n done\n4. Open KVM on OpenBMC's web\n\nThe size of macro block captured is 8x8. Therefore, we should make sure\nthe height of src-buf is 8 aligned to fix this issue."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.120", "versionStartIncluding": "5.0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6", "versionStartIncluding": "5.0"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T09:11:59.259Z"}}}, "cveMetadata": {"cveId": "CVE-2023-52916", "state": "PUBLISHED", "dateUpdated": "2026-08-05T09:11:59.259Z", "dateReserved": "2024-08-21T06:07:11.017Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-09-06T09:07:50.462Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/media/platform/aspeed/aspeed-video.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "4c823e4027dd1d6e88c31028dec13dd19bc7b02d", "status": "affected", "version": "d2b4387f3bdf016e266d23cf657465f557721488", "versionType": "git"}, {"lessThan": "c281355068bc258fd619c5aefd978595bede7bfe", "status": "affected", "version": "d2b4387f3bdf016e266d23cf657465f557721488", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/media/platform/aspeed/aspeed-video.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.0"}, {"lessThan": "5.0", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.120", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.6", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "77F59407-FF9B-4DBC-A5C0-718D2C65872D", "versionEndExcluding": "6.1.120", "versionStartIncluding": "5.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6747FDB4-EF6B-4019-9232-82D90A3D6E73", "versionEndExcluding": "6.6", "versionStartIncluding": "6.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: aspeed: Fix memory overwrite if timing is 1600x900\n\nWhen capturing 1600x900, system could crash when system memory usage is\ntight.\n\nThe way to reproduce this issue:\n1. Use 1600x900 to display on host\n2. Mount ISO through 'Virtual media' on OpenBMC's web\n3. Run script as below on host to do sha continuously\n #!/bin/bash\n while [ [1] ];\n do\n\tfind /media -type f -printf '\"%h/%f\"\\n' | xargs sha256sum\n done\n4. Open KVM on OpenBMC's web\n\nThe size of macro block captured is 8x8. Therefore, we should make sure\nthe height of src-buf is 8 aligned to fix this issue."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: media: aspeed: corrige la sobrescritura de memoria si el tiempo es 1600x900 Al capturar 1600x900, el sistema podr\u00eda bloquearse cuando el uso de la memoria del sistema es ajustado. La forma de reproducir este problema: 1. Use 1600x900 para mostrar en el host 2. Monte ISO a trav\u00e9s de 'Medios virtuales' en la web de OpenBMC 3. Ejecute el script como se muestra a continuaci\u00f3n en el host para hacer sha continuamente #!/bin/bash while [ [1] ]; do find /media -type f -printf '\"%h/%f\"\\n' | xargs sha256sum done 4. Abra KVM en la web de OpenBMC El tama\u00f1o del bloque de macro capturado es 8x8. Por lo tanto, debemos asegurarnos de que la altura de src-buf est\u00e9 alineada con 8 para solucionar este problema."}], "id": "CVE-2023-52916", "lastModified": "2026-08-04T10:18:48.870", "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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-52916", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-09-09T20:43:04.212290Z", "version": "2.0.3"}}]}, "published": "2024-09-06T09:15:03.327", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4c823e4027dd1d6e88c31028dec13dd19bc7b02d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c281355068bc258fd619c5aefd978595bede7bfe"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.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: aspeed: Fix memory overwrite if timing is 1600x900", "id": "2310378", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2310378"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nmedia: aspeed: Fix memory overwrite if timing is 1600x900\nWhen capturing 1600x900, system could crash when system memory usage is\ntight.\nThe way to reproduce this issue:\n1. Use 1600x900 to display on host\n2. Mount ISO through 'Virtual media' on OpenBMC's web\n3. Run script as below on host to do sha continuously\n#!/bin/bash\nwhile [ [1] ];\ndo\nfind /media -type f -printf '\"%h/%f\"\\n' | xargs sha256sum\ndone\n4. Open KVM on OpenBMC's web\nThe size of macro block captured is 8x8. Therefore, we should make sure\nthe height of src-buf is 8 aligned to fix this issue."], "name": "CVE-2023-52916", "package_state": [{"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": "2024-09-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52916\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52916\nhttps://lore.kernel.org/linux-cve-announce/2024090655-CVE-2023-52916-edc0@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-12T23:06:31.968904+00:00", "updated": "2025-07-12T23:06:31.968956+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}