{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2024-38556", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-06-18T19:36:34.921Z", "datePublished": "2024-06-19T13:35:26.753Z", "dateUpdated": "2026-05-11T20:18:57.972Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T20:18:57.972Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: Add a timeout to acquire the command queue semaphore\n\nPrevent forced completion handling on an entry that has not yet been\nassigned an index, causing an out of bounds access on idx = -22.\nInstead of waiting indefinitely for the sem, blocking flow now waits for\nindex to be allocated or a sem acquisition timeout before beginning the\ntimer for FW completion.\n\nKernel log example:\nmlx5_core 0000:06:00.0: wait_func_handle_exec_timeout:1128:(pid 185911): cmd[-22]: CREATE_UCTX(0xa04) No done completion"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/mellanox/mlx5/core/cmd.c", "include/linux/mlx5/driver.h"], "versions": [{"version": "8e715cd613a1e872b9d918e912d90b399785761a", "lessThan": "4baae687a20ef2b82fde12de3c04461e6f2521d6", "status": "affected", "versionType": "git"}, {"version": "8e715cd613a1e872b9d918e912d90b399785761a", "lessThan": "f9caccdd42e999b74303c9b0643300073ed5d319", "status": "affected", "versionType": "git"}, {"version": "8e715cd613a1e872b9d918e912d90b399785761a", "lessThan": "2d0962d05c93de391ce85f6e764df895f47c8918", "status": "affected", "versionType": "git"}, {"version": "8e715cd613a1e872b9d918e912d90b399785761a", "lessThan": "94024332a129c6e4275569d85c0c1bfb2ae2d71b", "status": "affected", "versionType": "git"}, {"version": "8e715cd613a1e872b9d918e912d90b399785761a", "lessThan": "485d65e1357123a697c591a5aeb773994b247ad7", "status": "affected", "versionType": "git"}, {"version": "74dd45122b84479eee50bd0956ae8bc5799c9f8a", "status": "affected", "versionType": "git"}, {"version": "e801f81cee3c8901f52ee48c6329802b28fbb49c", "status": "affected", "versionType": "git"}, {"version": "d73d81447c6651904dd4a9e3fd88651ff174c1b7", "status": "affected", "versionType": "git"}, {"version": "4646175c19fd019b773444a11ff62748eb83745b", "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/net/ethernet/mellanox/mlx5/core/cmd.c", "include/linux/mlx5/driver.h"], "versions": [{"version": "5.17", "status": "affected"}, {"version": "0", "lessThan": "5.17", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.93", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.33", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.8.12", "lessThanOrEqual": "6.8.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.9.3", "lessThanOrEqual": "6.9.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.10", "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": "5.17", "versionEndExcluding": "6.1.93"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.17", "versionEndExcluding": "6.6.33"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.17", "versionEndExcluding": "6.8.12"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.17", "versionEndExcluding": "6.9.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.17", "versionEndExcluding": "6.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4.174"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10.94"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15.17"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/4baae687a20ef2b82fde12de3c04461e6f2521d6"}, {"url": "https://git.kernel.org/stable/c/f9caccdd42e999b74303c9b0643300073ed5d319"}, {"url": "https://git.kernel.org/stable/c/2d0962d05c93de391ce85f6e764df895f47c8918"}, {"url": "https://git.kernel.org/stable/c/94024332a129c6e4275569d85c0c1bfb2ae2d71b"}, {"url": "https://git.kernel.org/stable/c/485d65e1357123a697c591a5aeb773994b247ad7"}], "title": "net/mlx5: Add a timeout to acquire the command queue semaphore", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-06-21T14:39:36.786296Z", "id": "CVE-2024-38556", "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": "2024-06-21T14:40:06.541Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T04:12:25.318Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/4baae687a20ef2b82fde12de3c04461e6f2521d6", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/f9caccdd42e999b74303c9b0643300073ed5d319", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/2d0962d05c93de391ce85f6e764df895f47c8918", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/94024332a129c6e4275569d85c0c1bfb2ae2d71b", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/485d65e1357123a697c591a5aeb773994b247ad7", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/4baae687a20ef2b82fde12de3c04461e6f2521d6", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/f9caccdd42e999b74303c9b0643300073ed5d319", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/2d0962d05c93de391ce85f6e764df895f47c8918", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/94024332a129c6e4275569d85c0c1bfb2ae2d71b", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/485d65e1357123a697c591a5aeb773994b247ad7", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T04:12:25.318Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-38556", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-06-21T14:39:36.786296Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-21T14:39:59.910Z"}}], "cna": {"title": "net/mlx5: Add a timeout to acquire the command queue semaphore", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "8e715cd613a1", "lessThan": "4baae687a20e", "versionType": "git"}, {"status": "affected", "version": "8e715cd613a1", "lessThan": "f9caccdd42e9", "versionType": "git"}, {"status": "affected", "version": "8e715cd613a1", "lessThan": "2d0962d05c93", "versionType": "git"}, {"status": "affected", "version": "8e715cd613a1", "lessThan": "94024332a129", "versionType": "git"}, {"status": "affected", "version": "8e715cd613a1", "lessThan": "485d65e13571", "versionType": "git"}], "programFiles": ["drivers/net/ethernet/mellanox/mlx5/core/cmd.c", "include/linux/mlx5/driver.h"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.17"}, {"status": "unaffected", "version": "0", "lessThan": "5.17", "versionType": "semver"}, {"status": "unaffected", "version": "6.1.93", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.33", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.8.12", "versionType": "semver", "lessThanOrEqual": "6.8.*"}, {"status": "unaffected", "version": "6.9.3", "versionType": "semver", "lessThanOrEqual": "6.9.*"}, {"status": "unaffected", "version": "6.10", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/net/ethernet/mellanox/mlx5/core/cmd.c", "include/linux/mlx5/driver.h"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/4baae687a20ef2b82fde12de3c04461e6f2521d6"}, {"url": "https://git.kernel.org/stable/c/f9caccdd42e999b74303c9b0643300073ed5d319"}, {"url": "https://git.kernel.org/stable/c/2d0962d05c93de391ce85f6e764df895f47c8918"}, {"url": "https://git.kernel.org/stable/c/94024332a129c6e4275569d85c0c1bfb2ae2d71b"}, {"url": "https://git.kernel.org/stable/c/485d65e1357123a697c591a5aeb773994b247ad7"}], "x_generator": {"engine": "bippy-9e1c9544281a"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: Add a timeout to acquire the command queue semaphore\n\nPrevent forced completion handling on an entry that has not yet been\nassigned an index, causing an out of bounds access on idx = -22.\nInstead of waiting indefinitely for the sem, blocking flow now waits for\nindex to be allocated or a sem acquisition timeout before beginning the\ntimer for FW completion.\n\nKernel log example:\nmlx5_core 0000:06:00.0: wait_func_handle_exec_timeout:1128:(pid 185911): cmd[-22]: CREATE_UCTX(0xa04) No done completion"}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-05T09:29:48.943Z"}}}, "cveMetadata": {"cveId": "CVE-2024-38556", "state": "PUBLISHED", "dateUpdated": "2024-11-05T09:29:48.943Z", "dateReserved": "2024-06-18T19:36:34.921Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-06-19T13:35:26.753Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "B9BC8CC5-AB06-4C51-869B-2FE0820D0AC1", "versionEndExcluding": "5.5", "versionStartIncluding": "5.4.174", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D97173A0-CD12-4773-B2F5-A9037AAB0383", "versionEndExcluding": "5.11", "versionStartIncluding": "5.10.94", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "FE141E86-782B-4D36-B214-2FB7AC66A083", "versionEndExcluding": "5.16", "versionStartIncluding": "5.15.17", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "EB815E0A-660A-44C3-9033-8B7238B7CA4F", "versionEndIncluding": "6.1.93", "versionStartIncluding": "5.16.3", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "3254742F-9901-4088-ACB5-27405BB2343E", "versionEndIncluding": "6.6.33", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "F5EDD0D5-6B6E-4F6A-A099-30679CC81755", "versionEndIncluding": "6.8.12", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "9A21A3C2-C96F-4722-B347-C34D308A1B12", "versionEndIncluding": "6.9.3", "versionStartIncluding": "6.9", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: Add a timeout to acquire the command queue semaphore\n\nPrevent forced completion handling on an entry that has not yet been\nassigned an index, causing an out of bounds access on idx = -22.\nInstead of waiting indefinitely for the sem, blocking flow now waits for\nindex to be allocated or a sem acquisition timeout before beginning the\ntimer for FW completion.\n\nKernel log example:\nmlx5_core 0000:06:00.0: wait_func_handle_exec_timeout:1128:(pid 185911): cmd[-22]: CREATE_UCTX(0xa04) No done completion"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net/mlx5: agrega un tiempo de espera para adquirir el sem\u00e1foro de la cola de comandos. Evita el manejo de finalizaci\u00f3n forzada en una entrada a la que a\u00fan no se le ha asignado un \u00edndice, lo que provoca un acceso fuera de los l\u00edmites en idx = -22. En lugar de esperar indefinidamente el sem, el flujo de bloqueo ahora espera a que se asigne el \u00edndice o a que se agote el tiempo de espera de adquisici\u00f3n del sem antes de iniciar el temporizador para completar el FW. Ejemplo de registro del kernel: mlx5_core 0000:06:00.0: wait_func_handle_exec_timeout:1128:(pid 185911): cmd[-22]: CREATE_UCTX(0xa04) No se complet\u00f3"}], "id": "CVE-2024-38556", "lastModified": "2025-03-06T12:53:37.607", "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": "2024-06-19T14:15:15.810", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2d0962d05c93de391ce85f6e764df895f47c8918"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/485d65e1357123a697c591a5aeb773994b247ad7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4baae687a20ef2b82fde12de3c04461e6f2521d6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/94024332a129c6e4275569d85c0c1bfb2ae2d71b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f9caccdd42e999b74303c9b0643300073ed5d319"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2d0962d05c93de391ce85f6e764df895f47c8918"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/485d65e1357123a697c591a5aeb773994b247ad7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4baae687a20ef2b82fde12de3c04461e6f2521d6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/94024332a129c6e4275569d85c0c1bfb2ae2d71b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f9caccdd42e999b74303c9b0643300073ed5d319"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-129"}], "source": "nvd@nist.gov", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2024:8162", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-427.40.1.el9_4", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-10-16T00:00:00Z"}, {"advisory": "RHSA-2024:8162", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-427.40.1.el9_4", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-10-16T00:00:00Z"}, {"advisory": "RHSA-2024:5364", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "kernel-0:5.14.0-284.79.1.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-08-14T00:00:00Z"}, {"advisory": "RHSA-2024:5365", "cpe": "cpe:/a:redhat:rhel_eus:9.2::nfv", "package": "kernel-rt-0:5.14.0-284.79.1.rt14.364.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-08-14T00:00:00Z"}], "bugzilla": {"description": "kernel: net/mlx5: Add a timeout to acquire the command queue semaphore", "id": "2293443", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2293443"}, "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": "verified"}, "cwe": "CWE-125", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet/mlx5: Add a timeout to acquire the command queue semaphore\nPrevent forced completion handling on an entry that has not yet been\nassigned an index, causing an out of bounds access on idx = -22.\nInstead of waiting indefinitely for the sem, blocking flow now waits for\nindex to be allocated or a sem acquisition timeout before beginning the\ntimer for FW completion.\nKernel log example:\nmlx5_core 0000:06:00.0: wait_func_handle_exec_timeout:1128:(pid 185911): cmd[-22]: CREATE_UCTX(0xa04) No done completion"], "name": "CVE-2024-38556", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-06-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-38556\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-38556\nhttps://lore.kernel.org/linux-cve-announce/2024061952-CVE-2024-38556-8afa@gregkh/T"], "threat_severity": "Low"}

{}