CVE-2024-41088

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(seq=0x000017c7, tef_tail=0x000017cf, tef_head=0x000017d0, tx_head=0x000017d3).\n... and repeat forever.\n\nThe issue can be triggered when multiple devices share the same SPI\ninterface. And there is concurrent access to the bus.\n\nThe problem occurs because tx_ring->head increments even if\nmcp251xfd_start_xmit() fails. Consequently, the driver skips one TX\npackage while still expecting a response in\nmcp251xfd_handle_tefif_one().\n\nResolve the issue by starting a workqueue to write the tx obj\nsynchronously if err = -EBUSY. In case of another error, decrement\ntx_ring->head, remove skb from the echo stack, and drop the message.\n\n[mkl: use more imperative wording in patch description]"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c", "drivers/net/can/spi/mcp251xfd/mcp251xfd-tx.c", "drivers/net/can/spi/mcp251xfd/mcp251xfd.h"], "versions": [{"version": "55e5b97f003e85e66babb55f357627d52081a264", "lessThan": "f926c022ebaabf7963bebf89a97201d66978a025", "status": "affected", "versionType": "git"}, {"version": "55e5b97f003e85e66babb55f357627d52081a264", "lessThan": "3e72558c1711d524e3150103739ddd06650e291b", "status": "affected", "versionType": "git"}, {"version": "55e5b97f003e85e66babb55f357627d52081a264", "lessThan": "6c6b4afa59c2fb4d1759235f866d8caed2aa4729", "status": "affected", "versionType": "git"}, {"version": "55e5b97f003e85e66babb55f357627d52081a264", "lessThan": "d8fb63e46c884c898a38f061c2330f7729e75510", "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/can/spi/mcp251xfd/mcp251xfd-core.c", "drivers/net/can/spi/mcp251xfd/mcp251xfd-tx.c", "drivers/net/can/spi/mcp251xfd/mcp251xfd.h"], "versions": [{"version": "5.10", "status": "affected"}, {"version": "0", "lessThan": "5.10", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.97", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.37", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.9.8", "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": "5.10", "versionEndExcluding": "6.1.97"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "6.6.37"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "6.9.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "6.10"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/f926c022ebaabf7963bebf89a97201d66978a025"}, {"url": "https://git.kernel.org/stable/c/3e72558c1711d524e3150103739ddd06650e291b"}, {"url": "https://git.kernel.org/stable/c/6c6b4afa59c2fb4d1759235f866d8caed2aa4729"}, {"url": "https://git.kernel.org/stable/c/d8fb63e46c884c898a38f061c2330f7729e75510"}], "title": "can: mcp251xfd: fix infinite loop when xmit fails", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/f926c022ebaabf7963bebf89a97201d66978a025", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/3e72558c1711d524e3150103739ddd06650e291b", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/6c6b4afa59c2fb4d1759235f866d8caed2aa4729", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/d8fb63e46c884c898a38f061c2330f7729e75510", "tags": ["x_transferred"]}, {"url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T22:00:43.442Z"}}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-41088", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T16:20:41.900253Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T17:32:56.256Z"}}]}}

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(seq=0x000017c7, tef_tail=0x000017cf, tef_head=0x000017d0, tx_head=0x000017d3).\n... and repeat forever.\n\nThe issue can be triggered when multiple devices share the same SPI\ninterface. And there is concurrent access to the bus.\n\nThe problem occurs because tx_ring->head increments even if\nmcp251xfd_start_xmit() fails. Consequently, the driver skips one TX\npackage while still expecting a response in\nmcp251xfd_handle_tefif_one().\n\nResolve the issue by starting a workqueue to write the tx obj\nsynchronously if err = -EBUSY. In case of another error, decrement\ntx_ring->head, remove skb from the echo stack, and drop the message.\n\n[mkl: use more imperative wording in patch description]"}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.97", "versionStartIncluding": "5.10"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.37", "versionStartIncluding": "5.10"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.9.8", "versionStartIncluding": "5.10"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.10", "versionStartIncluding": "5.10"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T20:25:57.864Z"}}}, "cveMetadata": {"cveId": "CVE-2024-41088", "state": "PUBLISHED", "dateUpdated": "2026-05-11T20:25:57.864Z", "dateReserved": "2024-07-12T12:17:45.634Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-07-29T15:48:04.035Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

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(seq=0x000017c7, tef_tail=0x000017cf, tef_head=0x000017d0, tx_head=0x000017d3).\n... and repeat forever.\n\nThe issue can be triggered when multiple devices share the same SPI\ninterface. And there is concurrent access to the bus.\n\nThe problem occurs because tx_ring->head increments even if\nmcp251xfd_start_xmit() fails. Consequently, the driver skips one TX\npackage while still expecting a response in\nmcp251xfd_handle_tefif_one().\n\nResolve the issue by starting a workqueue to write the tx obj\nsynchronously if err = -EBUSY. In case of another error, decrement\ntx_ring->head, remove skb from the echo stack, and drop the message.\n\n[mkl: use more imperative wording in patch description]"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: can: mcp251xfd: corrige el bucle infinito cuando falla xmit Cuando falla la funci\u00f3n mcp251xfd_start_xmit(), el controlador deja de procesar mensajes y la rutina de interrupci\u00f3n no regresa, ejecut\u00e1ndose indefinidamente incluso despu\u00e9s de finalizar el aplicaci\u00f3n en ejecuci\u00f3n. Mensajes de error: [441.298819] mcp251xfd spi2.0 can0: ERROR en mcp251xfd_start_xmit: -16 [441.306498] mcp251xfd spi2.0 can0: El b\u00fafer FIFO de evento de transmisi\u00f3n no est\u00e1 vac\u00edo. (seq=0x000017c7, tef_tail=0x000017cf, tef_head=0x000017d0, tx_head=0x000017d3). ... y repetir para siempre. El problema puede desencadenarse cuando varios dispositivos comparten la misma interfaz SPI. Y hay acceso simult\u00e1neo al autob\u00fas. El problema ocurre porque tx_ring->head incrementa incluso si falla mcp251xfd_start_xmit(). En consecuencia, el controlador omite un paquete TX mientras espera una respuesta en mcp251xfd_handle_tefif_one(). Resuelva el problema iniciando una cola de trabajo para escribir el obj tx sincr\u00f3nicamente si err = -EBUSY. En caso de otro error, disminuya tx_ring->head, elimine skb de la pila de eco y elimine el mensaje. [mkl: utilice una redacci\u00f3n m\u00e1s imperativa en la descripci\u00f3n del parche]"}], "id": "CVE-2024-41088", "lastModified": "2026-06-17T07:47:15.370", "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-2024-41088", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-09-10T16:20:41.900253Z", "version": "2.0.3"}}]}, "published": "2024-07-29T16:15:04.217", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3e72558c1711d524e3150103739ddd06650e291b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6c6b4afa59c2fb4d1759235f866d8caed2aa4729"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d8fb63e46c884c898a38f061c2330f7729e75510"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f926c022ebaabf7963bebf89a97201d66978a025"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3e72558c1711d524e3150103739ddd06650e291b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6c6b4afa59c2fb4d1759235f866d8caed2aa4729"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d8fb63e46c884c898a38f061c2330f7729e75510"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f926c022ebaabf7963bebf89a97201d66978a025"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-835"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: can: mcp251xfd: fix infinite loop when xmit fails", "id": "2300484", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2300484"}, "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"}, "cwe": "CWE-835", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ncan: mcp251xfd: fix infinite loop when xmit fails\nWhen the mcp251xfd_start_xmit() function fails, the driver stops\nprocessing messages, and the interrupt routine does not return,\nrunning indefinitely even after killing the running application.\nError messages:\n[ 441.298819] mcp251xfd spi2.0 can0: ERROR in mcp251xfd_start_xmit: -16\n[ 441.306498] mcp251xfd spi2.0 can0: Transmit Event FIFO buffer not empty. (seq=0x000017c7, tef_tail=0x000017cf, tef_head=0x000017d0, tx_head=0x000017d3).\n... and repeat forever.\nThe issue can be triggered when multiple devices share the same SPI\ninterface. And there is concurrent access to the bus.\nThe problem occurs because tx_ring->head increments even if\nmcp251xfd_start_xmit() fails. Consequently, the driver skips one TX\npackage while still expecting a response in\nmcp251xfd_handle_tefif_one().\nResolve the issue by starting a workqueue to write the tx obj\nsynchronously if err = -EBUSY. In case of another error, decrement\ntx_ring->head, remove skb from the echo stack, and drop the message.\n[mkl: use more imperative wording in patch description]", "An infinite loop flaw was found in the MCP251xfd CAN driver in Linux Kernel that occurs when `mcp251xfd_start_xmit()` fails. Failure to transmit a message can lead to the driver halting message processing and getting stuck in an endless loop, particularly when multiple devices shared the same SPI interface."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2024-41088", "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": "2024-07-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-41088\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-41088\nhttps://lore.kernel.org/linux-cve-announce/2024072952-CVE-2024-41088-281e@gregkh/T"], "statement": "Red Hat Enterprise Linux is not impacted by this CVE, as this vulnerability does not affect the specific versions or configurations of the Linux kernel used in its distributions. This ensures that users of Red Hat Enterprise Linux are not exposed to the potential risks associated with this issue and no further action or mitigation is necessary for systems running this operating system.", "threat_severity": "Moderate"}

{}