{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-41023", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-07-12T12:17:45.615Z", "datePublished": "2024-07-29T14:31:40.439Z", "dateUpdated": "2024-09-11T17:34:04.883Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-07-29T14:31:40.439Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsched/deadline: Fix task_struct reference leak\n\nDuring the execution of the following stress test with linux-rt:\n\nstress-ng --cyclic 30 --timeout 30 --minimize --quiet\n\nkmemleak frequently reported a memory leak concerning the task_struct:\n\nunreferenced object 0xffff8881305b8000 (size 16136):\n comm \"stress-ng\", pid 614, jiffies 4294883961 (age 286.412s)\n object hex dump (first 32 bytes):\n 02 40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 .@..............\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n debug hex dump (first 16 bytes):\n 53 09 00 00 00 00 00 00 00 00 00 00 00 00 00 00 S...............\n backtrace:\n [<00000000046b6790>] dup_task_struct+0x30/0x540\n [<00000000c5ca0f0b>] copy_process+0x3d9/0x50e0\n [<00000000ced59777>] kernel_clone+0xb0/0x770\n [<00000000a50befdc>] __do_sys_clone+0xb6/0xf0\n [<000000001dbf2008>] do_syscall_64+0x5d/0xf0\n [<00000000552900ff>] entry_SYSCALL_64_after_hwframe+0x6e/0x76\n\nThe issue occurs in start_dl_timer(), which increments the task_struct\nreference count and sets a timer. The timer callback, dl_task_timer,\nis supposed to decrement the reference count upon expiration. However,\nif enqueue_task_dl() is called before the timer expires and cancels it,\nthe reference count is not decremented, leading to the leak.\n\nThis patch fixes the reference leak by ensuring the task_struct\nreference count is properly decremented when the timer is canceled."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/sched/deadline.c"], "versions": [{"version": "feff2e65efd8", "lessThan": "7a54d31face6", "status": "affected", "versionType": "git"}, {"version": "feff2e65efd8", "lessThan": "b58652db66c9", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/sched/deadline.c"], "versions": [{"version": "5.10", "status": "affected"}, {"version": "0", "lessThan": "5.10", "status": "unaffected", "versionType": "custom"}, {"version": "6.9.10", "lessThanOrEqual": "6.9.*", "status": "unaffected", "versionType": "custom"}, {"version": "6.10", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/7a54d31face626f62de415ebe77b43f76c3ffaf4"}, {"url": "https://git.kernel.org/stable/c/b58652db66c910c2245f5bee7deca41c12d707b9"}], "title": "sched/deadline: Fix task_struct reference leak", "x_generator": {"engine": "bippy-c9c4e1df01b2"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T04:39:56.070Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/7a54d31face626f62de415ebe77b43f76c3ffaf4", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/b58652db66c910c2245f5bee7deca41c12d707b9", "tags": ["x_transferred"]}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-41023", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T16:24:19.073103Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T17:34:04.883Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/7a54d31face626f62de415ebe77b43f76c3ffaf4", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/b58652db66c910c2245f5bee7deca41c12d707b9", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T04:39:56.070Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-41023", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T16:24:19.073103Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T12:42:20.532Z"}}], "cna": {"title": "sched/deadline: Fix task_struct reference leak", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "feff2e65efd8", "lessThan": "7a54d31face6", "versionType": "git"}, {"status": "affected", "version": "feff2e65efd8", "lessThan": "b58652db66c9", "versionType": "git"}], "programFiles": ["kernel/sched/deadline.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.10"}, {"status": "unaffected", "version": "0", "lessThan": "5.10", "versionType": "custom"}, {"status": "unaffected", "version": "6.9.10", "versionType": "custom", "lessThanOrEqual": "6.9.*"}, {"status": "unaffected", "version": "6.10", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["kernel/sched/deadline.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/7a54d31face626f62de415ebe77b43f76c3ffaf4"}, {"url": "https://git.kernel.org/stable/c/b58652db66c910c2245f5bee7deca41c12d707b9"}], "x_generator": {"engine": "bippy-c9c4e1df01b2"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsched/deadline: Fix task_struct reference leak\n\nDuring the execution of the following stress test with linux-rt:\n\nstress-ng --cyclic 30 --timeout 30 --minimize --quiet\n\nkmemleak frequently reported a memory leak concerning the task_struct:\n\nunreferenced object 0xffff8881305b8000 (size 16136):\n comm \"stress-ng\", pid 614, jiffies 4294883961 (age 286.412s)\n object hex dump (first 32 bytes):\n 02 40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 .@..............\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n debug hex dump (first 16 bytes):\n 53 09 00 00 00 00 00 00 00 00 00 00 00 00 00 00 S...............\n backtrace:\n [<00000000046b6790>] dup_task_struct+0x30/0x540\n [<00000000c5ca0f0b>] copy_process+0x3d9/0x50e0\n [<00000000ced59777>] kernel_clone+0xb0/0x770\n [<00000000a50befdc>] __do_sys_clone+0xb6/0xf0\n [<000000001dbf2008>] do_syscall_64+0x5d/0xf0\n [<00000000552900ff>] entry_SYSCALL_64_after_hwframe+0x6e/0x76\n\nThe issue occurs in start_dl_timer(), which increments the task_struct\nreference count and sets a timer. The timer callback, dl_task_timer,\nis supposed to decrement the reference count upon expiration. However,\nif enqueue_task_dl() is called before the timer expires and cancels it,\nthe reference count is not decremented, leading to the leak.\n\nThis patch fixes the reference leak by ensuring the task_struct\nreference count is properly decremented when the timer is canceled."}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-07-29T14:31:40.439Z"}}}, "cveMetadata": {"cveId": "CVE-2024-41023", "state": "PUBLISHED", "dateUpdated": "2024-09-11T17:34:04.883Z", "dateReserved": "2024-07-12T12:17:45.615Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-07-29T14:31:40.439Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsched/deadline: Fix task_struct reference leak\n\nDuring the execution of the following stress test with linux-rt:\n\nstress-ng --cyclic 30 --timeout 30 --minimize --quiet\n\nkmemleak frequently reported a memory leak concerning the task_struct:\n\nunreferenced object 0xffff8881305b8000 (size 16136):\n comm \"stress-ng\", pid 614, jiffies 4294883961 (age 286.412s)\n object hex dump (first 32 bytes):\n 02 40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 .@..............\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n debug hex dump (first 16 bytes):\n 53 09 00 00 00 00 00 00 00 00 00 00 00 00 00 00 S...............\n backtrace:\n [<00000000046b6790>] dup_task_struct+0x30/0x540\n [<00000000c5ca0f0b>] copy_process+0x3d9/0x50e0\n [<00000000ced59777>] kernel_clone+0xb0/0x770\n [<00000000a50befdc>] __do_sys_clone+0xb6/0xf0\n [<000000001dbf2008>] do_syscall_64+0x5d/0xf0\n [<00000000552900ff>] entry_SYSCALL_64_after_hwframe+0x6e/0x76\n\nThe issue occurs in start_dl_timer(), which increments the task_struct\nreference count and sets a timer. The timer callback, dl_task_timer,\nis supposed to decrement the reference count upon expiration. However,\nif enqueue_task_dl() is called before the timer expires and cancels it,\nthe reference count is not decremented, leading to the leak.\n\nThis patch fixes the reference leak by ensuring the task_struct\nreference count is properly decremented when the timer is canceled."}, {"lang": "es", "value": "En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: sched/deadline: Reparar fuga de referencia de task_struct Durante la ejecuci\u00f3n de la siguiente prueba de estr\u00e9s con linux-rt: estr\u00e9s-ng --ciclic 30 --timeout 30 --minimize --quiet kmemleak inform\u00f3 con frecuencia una p\u00e9rdida de memoria relacionada con task_struct: objeto sin referencia 0xffff8881305b8000 (tama\u00f1o 16136): comm \"stress-ng\", pid 614, jiffies 4294883961 (edad 286.412 s) volcado hexadecimal de objeto (primeros 32 bytes): 02 40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 .@.............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ........ ........ volcado hexadecimal de depuraci\u00f3n (primeros 16 bytes): 53 09 00 00 00 00 00 00 00 00 00 00 00 00 00 00 S............... rastreo inverso : [&lt;00000000046b6790&gt;] dup_task_struct+0x30/0x540 [&lt;00000000c5ca0f0b&gt;] copy_process+0x3d9/0x50e0 [&lt;00000000ced59777&gt;] kernel_clone+0xb0/0x770 [&lt;00000000a50befd c&gt;] __do_sys_clone+0xb6/0xf0 [&lt;000000001dbf2008&gt;] do_syscall_64+0x5d/ 0xf0 [&lt;00000000552900ff&gt;] Entry_SYSCALL_64_after_hwframe+0x6e/0x76 El problema ocurre en start_dl_timer(), que incrementa el recuento de referencias de task_struct y establece un temporizador. Se supone que la devoluci\u00f3n de llamada del temporizador, dl_task_timer, disminuye el recuento de referencia al expirar. Sin embargo, si se llama a enqueue_task_dl() antes de que expire el temporizador y lo cancela, el recuento de referencias no disminuye, lo que provoca la fuga. Este parche corrige la fuga de referencia al garantizar que el recuento de referencias de task_struct disminuya correctamente cuando se cancela el temporizador."}], "id": "CVE-2024-41023", "lastModified": "2024-07-29T16:21:52.517", "metrics": {}, "published": "2024-07-29T15:15:11.200", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7a54d31face626f62de415ebe77b43f76c3ffaf4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b58652db66c910c2245f5bee7deca41c12d707b9"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"affected_release": [{"advisory": "RHSA-2024:6744", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "kernel-0:5.14.0-284.84.1.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-09-18T00:00:00Z"}, {"advisory": "RHSA-2024:6745", "cpe": "cpe:/a:redhat:rhel_eus:9.2::nfv", "package": "kernel-rt-0:5.14.0-284.84.1.rt14.369.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-09-18T00:00:00Z"}], "bugzilla": {"description": "kernel: sched/deadline: Fix task_struct reference leak", "id": "2300381", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2300381"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H", "status": "verified"}, "cwe": "CWE-401", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nsched/deadline: Fix task_struct reference leak\nDuring the execution of the following stress test with linux-rt:\nstress-ng --cyclic 30 --timeout 30 --minimize --quiet\nkmemleak frequently reported a memory leak concerning the task_struct:\nunreferenced object 0xffff8881305b8000 (size 16136):\ncomm \"stress-ng\", pid 614, jiffies 4294883961 (age 286.412s)\nobject hex dump (first 32 bytes):\n02 40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 .@..............\n00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\ndebug hex dump (first 16 bytes):\n53 09 00 00 00 00 00 00 00 00 00 00 00 00 00 00 S...............\nbacktrace:\n[<00000000046b6790>] dup_task_struct+0x30/0x540\n[<00000000c5ca0f0b>] copy_process+0x3d9/0x50e0\n[<00000000ced59777>] kernel_clone+0xb0/0x770\n[<00000000a50befdc>] __do_sys_clone+0xb6/0xf0\n[<000000001dbf2008>] do_syscall_64+0x5d/0xf0\n[<00000000552900ff>] entry_SYSCALL_64_after_hwframe+0x6e/0x76\nThe issue occurs in start_dl_timer(), which increments the task_struct\nreference count and sets a timer. The timer callback, dl_task_timer,\nis supposed to decrement the reference count upon expiration. However,\nif enqueue_task_dl() is called before the timer expires and cancels it,\nthe reference count is not decremented, leading to the leak.\nThis patch fixes the reference leak by ensuring the task_struct\nreference count is properly decremented when the timer is canceled."], "name": "CVE-2024-41023", "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "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-2024-41023\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-41023\nhttps://lore.kernel.org/linux-cve-announce/2024072917-CVE-2024-41023-32a0@gregkh/T"], "threat_severity": "Moderate", "upstream_fix": "kernel 6.9.10, kernel 6.10"}