CVE-2023-52493

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/bus/mhi/host/main.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "20a6dea2d1c68d4e03c6bb50bc12e72e226b5c0e", "status": "affected", "version": "1d3173a3bae7039b765a0956e3e4bf846dbaacb8", "versionType": "git"}, {"lessThan": "6e4c84316e2b70709f0d00c33ba3358d9fc8eece", "status": "affected", "version": "1d3173a3bae7039b765a0956e3e4bf846dbaacb8", "versionType": "git"}, {"lessThan": "3c5ec66b4b3f6816f3a6161538672e389e537690", "status": "affected", "version": "1d3173a3bae7039b765a0956e3e4bf846dbaacb8", "versionType": "git"}, {"lessThan": "eaefb9464031215d63c0a8a7e2bfaa00736aa17e", "status": "affected", "version": "1d3173a3bae7039b765a0956e3e4bf846dbaacb8", "versionType": "git"}, {"lessThan": "b8eff20d87092e14cac976d057cb0aea2f1d0830", "status": "affected", "version": "1d3173a3bae7039b765a0956e3e4bf846dbaacb8", "versionType": "git"}, {"lessThan": "01bd694ac2f682fb8017e16148b928482bc8fa4b", "status": "affected", "version": "1d3173a3bae7039b765a0956e3e4bf846dbaacb8", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/bus/mhi/host/main.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.7"}, {"lessThan": "5.7", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.210", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.149", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.76", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.15", "versionType": "semver"}, {"lessThanOrEqual": "6.7.*", "status": "unaffected", "version": "6.7.3", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.8", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A36D24A2-955E-4552-BE35-C1A1E878E73C", "versionEndExcluding": "5.10.210", "versionStartIncluding": "5.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0D0465BB-4053-4E15-9137-6696EBAE90FD", "versionEndExcluding": "5.15.149", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "32F0FEB3-5FE1-4400-A56D-886F09BE872E", "versionEndExcluding": "6.1.76", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "87C718CB-AE3D-4B07-B4D9-BFF64183C468", "versionEndExcluding": "6.6.15", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "58FD5308-148A-40D3-B36A-0CA6B434A8BF", "versionEndExcluding": "6.7.3", "versionStartIncluding": "6.7", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbus: mhi: host: Drop chan lock before queuing buffers\n\nEnsure read and write locks for the channel are not taken in succession by\ndropping the read lock from parse_xfer_event() such that a callback given\nto client can potentially queue buffers and acquire the write lock in that\nprocess. Any queueing of buffers should be done without channel read lock\nacquired as it can result in multiple locks and a soft lockup.\n\n[mani: added fixes tag and cc'ed stable]"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: bus: mhi: host: Eliminar el bloqueo de canal antes de poner en cola los b\u00faferes aseg\u00farese de que los bloqueos de lectura y escritura para el canal no se tomen en sucesi\u00f3n eliminando el bloqueo de lectura de parse_xfer_event() de manera que se pueda realizar una devoluci\u00f3n de llamada dado al cliente puede potencialmente poner en cola los b\u00faferes y adquirir el bloqueo de escritura en ese proceso. Cualquier puesta en cola de b\u00faferes debe realizarse sin adquirir el bloqueo de lectura del canal, ya que puede generar m\u00faltiples bloqueos y un bloqueo suave. [mani: etiqueta de correcciones agregada y copia estable]"}], "id": "CVE-2023-52493", "lastModified": "2026-06-17T06:42:51.400", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-52493", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-03-11T19:11:31.515959Z", "version": "2.0.3"}}]}, "published": "2024-03-11T18:15:16.940", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/01bd694ac2f682fb8017e16148b928482bc8fa4b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/20a6dea2d1c68d4e03c6bb50bc12e72e226b5c0e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3c5ec66b4b3f6816f3a6161538672e389e537690"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6e4c84316e2b70709f0d00c33ba3358d9fc8eece"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b8eff20d87092e14cac976d057cb0aea2f1d0830"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/eaefb9464031215d63c0a8a7e2bfaa00736aa17e"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/01bd694ac2f682fb8017e16148b928482bc8fa4b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/20a6dea2d1c68d4e03c6bb50bc12e72e226b5c0e"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3c5ec66b4b3f6816f3a6161538672e389e537690"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6e4c84316e2b70709f0d00c33ba3358d9fc8eece"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b8eff20d87092e14cac976d057cb0aea2f1d0830"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/eaefb9464031215d63c0a8a7e2bfaa00736aa17e"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-667"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: bus: mhi: host: Drop chan lock before queuing buffers", "id": "2269181", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2269181"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-414", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nbus: mhi: host: Drop chan lock before queuing buffers\nEnsure read and write locks for the channel are not taken in succession by\ndropping the read lock from parse_xfer_event() such that a callback given\nto client can potentially queue buffers and acquire the write lock in that\nprocess. Any queueing of buffers should be done without channel read lock\nacquired as it can result in multiple locks and a soft lockup.\n[mani: added fixes tag and cc'ed stable]", "A flaw was found in the Linux Kernel. Read and write locks for the channel are taken in succession by dropping the read lock from parse_xfer_event(), such that a callback given to client can potentially queue buffers and acquire the write lock in that process. This can result in multiple locks and a soft lockup, leading to compromised Availability."], "name": "CVE-2023-52493", "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": "2024-02-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52493\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52493\nhttps://lore.kernel.org/linux-cve-announce/20240229155245.1571576-34-lee@kernel.org/T"], "statement": "No Red Hat products are affected by this vulnerability.", "threat_severity": "Moderate"}

{}