{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-52638", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-03-06T09:52:12.093Z", "datePublished": "2024-04-03T14:54:41.271Z", "dateUpdated": "2024-11-04T14:50:13.460Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-04T14:50:13.460Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: j1939: prevent deadlock by changing j1939_socks_lock to rwlock\n\nThe following 3 locks would race against each other, causing the\ndeadlock situation in the Syzbot bug report:\n\n- j1939_socks_lock\n- active_session_list_lock\n- sk_session_queue_lock\n\nA reasonable fix is to change j1939_socks_lock to an rwlock, since in\nthe rare situations where a write lock is required for the linked list\nthat j1939_socks_lock is protecting, the code does not attempt to\nacquire any more locks. This would break the circular lock dependency,\nwhere, for example, the current thread already locks j1939_socks_lock\nand attempts to acquire sk_session_queue_lock, and at the same time,\nanother thread attempts to acquire j1939_socks_lock while holding\nsk_session_queue_lock.\n\nNOTE: This patch along does not fix the unregister_netdevice bug\nreported by Syzbot; instead, it solves a deadlock situation to prepare\nfor one or more further patches to actually fix the Syzbot bug, which\nappears to be a reference counting problem within the j1939 codebase.\n\n[mkl: remove unrelated newline change]"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/can/j1939/j1939-priv.h", "net/can/j1939/main.c", "net/can/j1939/socket.c"], "versions": [{"version": "1da177e4c3f4", "lessThan": "03358aba9916", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f4", "lessThan": "aedda066d717", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f4", "lessThan": "26dfe112ec2e", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f4", "lessThan": "559b6322f948", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f4", "lessThan": "6cdedc18ba7b", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/can/j1939/j1939-priv.h", "net/can/j1939/main.c", "net/can/j1939/socket.c"], "versions": [{"version": "5.15.149", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.79", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.18", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.7.6", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.8", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/03358aba991668d3bb2c65b3c82aa32c36851170"}, {"url": "https://git.kernel.org/stable/c/aedda066d717a0b4335d7e0a00b2e3a61e40afcf"}, {"url": "https://git.kernel.org/stable/c/26dfe112ec2e95fe0099681f6aec33da13c2dd8e"}, {"url": "https://git.kernel.org/stable/c/559b6322f9480bff68cfa98d108991e945a4f284"}, {"url": "https://git.kernel.org/stable/c/6cdedc18ba7b9dacc36466e27e3267d201948c8d"}], "title": "can: j1939: prevent deadlock by changing j1939_socks_lock to rwlock", "x_generator": {"engine": "bippy-9e1c9544281a"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-06-17T19:30:24.987517Z", "id": "CVE-2023-52638", "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": "2024-06-18T19:57:30.521Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T23:03:21.237Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/03358aba991668d3bb2c65b3c82aa32c36851170", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/aedda066d717a0b4335d7e0a00b2e3a61e40afcf", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/26dfe112ec2e95fe0099681f6aec33da13c2dd8e", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/559b6322f9480bff68cfa98d108991e945a4f284", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/6cdedc18ba7b9dacc36466e27e3267d201948c8d", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/03358aba991668d3bb2c65b3c82aa32c36851170", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/aedda066d717a0b4335d7e0a00b2e3a61e40afcf", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/26dfe112ec2e95fe0099681f6aec33da13c2dd8e", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/559b6322f9480bff68cfa98d108991e945a4f284", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/6cdedc18ba7b9dacc36466e27e3267d201948c8d", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T23:03:21.237Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-52638", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-06-17T19:30:24.987517Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-18T19:57:28.014Z"}}], "cna": {"title": "can: j1939: prevent deadlock by changing j1939_socks_lock to rwlock", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "1da177e4c3f4", "lessThan": "03358aba9916", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f4", "lessThan": "aedda066d717", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f4", "lessThan": "26dfe112ec2e", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f4", "lessThan": "559b6322f948", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f4", "lessThan": "6cdedc18ba7b", "versionType": "git"}], "programFiles": ["net/can/j1939/j1939-priv.h", "net/can/j1939/main.c", "net/can/j1939/socket.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "unaffected", "version": "5.15.149", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.79", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.18", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.7.6", "versionType": "semver", "lessThanOrEqual": "6.7.*"}, {"status": "unaffected", "version": "6.8", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/can/j1939/j1939-priv.h", "net/can/j1939/main.c", "net/can/j1939/socket.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/03358aba991668d3bb2c65b3c82aa32c36851170"}, {"url": "https://git.kernel.org/stable/c/aedda066d717a0b4335d7e0a00b2e3a61e40afcf"}, {"url": "https://git.kernel.org/stable/c/26dfe112ec2e95fe0099681f6aec33da13c2dd8e"}, {"url": "https://git.kernel.org/stable/c/559b6322f9480bff68cfa98d108991e945a4f284"}, {"url": "https://git.kernel.org/stable/c/6cdedc18ba7b9dacc36466e27e3267d201948c8d"}], "x_generator": {"engine": "bippy-9e1c9544281a"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: j1939: prevent deadlock by changing j1939_socks_lock to rwlock\n\nThe following 3 locks would race against each other, causing the\ndeadlock situation in the Syzbot bug report:\n\n- j1939_socks_lock\n- active_session_list_lock\n- sk_session_queue_lock\n\nA reasonable fix is to change j1939_socks_lock to an rwlock, since in\nthe rare situations where a write lock is required for the linked list\nthat j1939_socks_lock is protecting, the code does not attempt to\nacquire any more locks. This would break the circular lock dependency,\nwhere, for example, the current thread already locks j1939_socks_lock\nand attempts to acquire sk_session_queue_lock, and at the same time,\nanother thread attempts to acquire j1939_socks_lock while holding\nsk_session_queue_lock.\n\nNOTE: This patch along does not fix the unregister_netdevice bug\nreported by Syzbot; instead, it solves a deadlock situation to prepare\nfor one or more further patches to actually fix the Syzbot bug, which\nappears to be a reference counting problem within the j1939 codebase.\n\n[mkl: remove unrelated newline change]"}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-04T14:50:13.460Z"}}}, "cveMetadata": {"cveId": "CVE-2023-52638", "state": "PUBLISHED", "dateUpdated": "2024-11-04T14:50:13.460Z", "dateReserved": "2024-03-06T09:52:12.093Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-04-03T14:54:41.271Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: j1939: prevent deadlock by changing j1939_socks_lock to rwlock\n\nThe following 3 locks would race against each other, causing the\ndeadlock situation in the Syzbot bug report:\n\n- j1939_socks_lock\n- active_session_list_lock\n- sk_session_queue_lock\n\nA reasonable fix is to change j1939_socks_lock to an rwlock, since in\nthe rare situations where a write lock is required for the linked list\nthat j1939_socks_lock is protecting, the code does not attempt to\nacquire any more locks. This would break the circular lock dependency,\nwhere, for example, the current thread already locks j1939_socks_lock\nand attempts to acquire sk_session_queue_lock, and at the same time,\nanother thread attempts to acquire j1939_socks_lock while holding\nsk_session_queue_lock.\n\nNOTE: This patch along does not fix the unregister_netdevice bug\nreported by Syzbot; instead, it solves a deadlock situation to prepare\nfor one or more further patches to actually fix the Syzbot bug, which\nappears to be a reference counting problem within the j1939 codebase.\n\n[mkl: remove unrelated newline change]"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: can: j1939: previene el interbloqueo cambiando j1939_socks_lock a rwlock Los siguientes 3 bloqueos competir\u00edan entre s\u00ed, causando la situaci\u00f3n de interbloqueo en el informe de error de Syzbot: - j1939_socks_lock - active_session_list_lock - sk_session_queue_lock A Una soluci\u00f3n razonable es cambiar j1939_socks_lock por un rwlock, ya que en las raras situaciones en las que se requiere un bloqueo de escritura para la lista vinculada que j1939_socks_lock est\u00e1 protegiendo, el c\u00f3digo no intenta adquirir m\u00e1s bloqueos. Esto romper\u00eda la dependencia del bloqueo circular, donde, por ejemplo, el subproceso actual ya bloquea j1939_socks_lock e intenta adquirir sk_session_queue_lock y, al mismo tiempo, otro subproceso intenta adquirir j1939_socks_lock mientras mantiene sk_session_queue_lock. NOTA: Este parche no soluciona el error unregister_netdevice informado por Syzbot; en cambio, resuelve una situaci\u00f3n de punto muerto para prepararse para uno o m\u00e1s parches adicionales para corregir el error Syzbot, que parece ser un problema de conteo de referencias dentro del c\u00f3digo base j1939. [mkl: eliminar cambio de nueva l\u00ednea no relacionado]"}], "id": "CVE-2023-52638", "lastModified": "2024-04-03T17:24:18.150", "metrics": {}, "published": "2024-04-03T15:15:51.417", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/03358aba991668d3bb2c65b3c82aa32c36851170"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/26dfe112ec2e95fe0099681f6aec33da13c2dd8e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/559b6322f9480bff68cfa98d108991e945a4f284"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6cdedc18ba7b9dacc36466e27e3267d201948c8d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/aedda066d717a0b4335d7e0a00b2e3a61e40afcf"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"affected_release": [{"advisory": "RHSA-2024:4583", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-427.26.1.el9_4", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-07-17T00:00:00Z"}, {"advisory": "RHSA-2024:4583", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-427.26.1.el9_4", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-07-17T00:00:00Z"}, {"advisory": "RHSA-2024:4533", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "kernel-0:5.14.0-284.73.1.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-07-15T00:00:00Z"}, {"advisory": "RHSA-2024:4554", "cpe": "cpe:/a:redhat:rhel_eus:9.2::nfv", "package": "kernel-rt-0:5.14.0-284.73.1.rt14.358.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-07-15T00:00:00Z"}], "bugzilla": {"description": "kernel: can: j1939: prevent deadlock by changing j1939_socks_lock to rwlock", "id": "2273082", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2273082"}, "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": "verified"}, "cwe": "CWE-833", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ncan: j1939: prevent deadlock by changing j1939_socks_lock to rwlock\nThe following 3 locks would race against each other, causing the\ndeadlock situation in the Syzbot bug report:\n- j1939_socks_lock\n- active_session_list_lock\n- sk_session_queue_lock\nA reasonable fix is to change j1939_socks_lock to an rwlock, since in\nthe rare situations where a write lock is required for the linked list\nthat j1939_socks_lock is protecting, the code does not attempt to\nacquire any more locks. This would break the circular lock dependency,\nwhere, for example, the current thread already locks j1939_socks_lock\nand attempts to acquire sk_session_queue_lock, and at the same time,\nanother thread attempts to acquire j1939_socks_lock while holding\nsk_session_queue_lock.\nNOTE: This patch along does not fix the unregister_netdevice bug\nreported by Syzbot; instead, it solves a deadlock situation to prepare\nfor one or more further patches to actually fix the Syzbot bug, which\nappears to be a reference counting problem within the j1939 codebase.\n[mkl: remove unrelated newline change]", "A vulnerability was found in the Linux kernel's Controller Area Network (CAN) protocol, within the J1939 protocol implementation. This issue occurs due to a potential deadlock caused by a race condition involving three locks: j1939_socks_lock, active_session_list_lock, and sk_session_queue_lock. This issue was identified in a Syzbot bug report."], "name": "CVE-2023-52638", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "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": "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": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-04-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52638\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52638\nhttps://lore.kernel.org/linux-cve-announce/2024040334-CVE-2023-52638-26a6@gregkh/T"], "threat_severity": "Moderate", "upstream_fix": "kernel 5.15.149, kernel 6.1.79, kernel 6.6.18, kernel 6.7.6, kernel 6.8"}