cve-2024-44975
Vulnerability from cvelistv5
Published
2024-09-04 19:54
Modified
2024-12-19 09:19
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: cgroup/cpuset: fix panic caused by partcmd_update We find a bug as below: BUG: unable to handle page fault for address: 00000003 PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP NOPTI CPU: 3 PID: 358 Comm: bash Tainted: G W I 6.6.0-10893-g60d6 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/4 RIP: 0010:partition_sched_domains_locked+0x483/0x600 Code: 01 48 85 d2 74 0d 48 83 05 29 3f f8 03 01 f3 48 0f bc c2 89 c0 48 9 RSP: 0018:ffffc90000fdbc58 EFLAGS: 00000202 RAX: 0000000100000003 RBX: ffff888100b3dfa0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000002fe80 RBP: ffff888100b3dfb0 R08: 0000000000000001 R09: 0000000000000000 R10: ffffc90000fdbcb0 R11: 0000000000000004 R12: 0000000000000002 R13: ffff888100a92b48 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f44a5425740(0000) GS:ffff888237d80000(0000) knlGS:0000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000100030973 CR3: 000000010722c000 CR4: 00000000000006e0 Call Trace: <TASK> ? show_regs+0x8c/0xa0 ? __die_body+0x23/0xa0 ? __die+0x3a/0x50 ? page_fault_oops+0x1d2/0x5c0 ? partition_sched_domains_locked+0x483/0x600 ? search_module_extables+0x2a/0xb0 ? search_exception_tables+0x67/0x90 ? kernelmode_fixup_or_oops+0x144/0x1b0 ? __bad_area_nosemaphore+0x211/0x360 ? up_read+0x3b/0x50 ? bad_area_nosemaphore+0x1a/0x30 ? exc_page_fault+0x890/0xd90 ? __lock_acquire.constprop.0+0x24f/0x8d0 ? __lock_acquire.constprop.0+0x24f/0x8d0 ? asm_exc_page_fault+0x26/0x30 ? partition_sched_domains_locked+0x483/0x600 ? partition_sched_domains_locked+0xf0/0x600 rebuild_sched_domains_locked+0x806/0xdc0 update_partition_sd_lb+0x118/0x130 cpuset_write_resmask+0xffc/0x1420 cgroup_file_write+0xb2/0x290 kernfs_fop_write_iter+0x194/0x290 new_sync_write+0xeb/0x160 vfs_write+0x16f/0x1d0 ksys_write+0x81/0x180 __x64_sys_write+0x21/0x30 x64_sys_call+0x2f25/0x4630 do_syscall_64+0x44/0xb0 entry_SYSCALL_64_after_hwframe+0x78/0xe2 RIP: 0033:0x7f44a553c887 It can be reproduced with cammands: cd /sys/fs/cgroup/ mkdir test cd test/ echo +cpuset > ../cgroup.subtree_control echo root > cpuset.cpus.partition cat /sys/fs/cgroup/cpuset.cpus.effective 0-3 echo 0-3 > cpuset.cpus // taking away all cpus from root This issue is caused by the incorrect rebuilding of scheduling domains. In this scenario, test/cpuset.cpus.partition should be an invalid root and should not trigger the rebuilding of scheduling domains. When calling update_parent_effective_cpumask with partcmd_update, if newmask is not null, it should recheck newmask whether there are cpus is available for parect/cs that has tasks.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/73d6c6cf8ef6a3c532aa159f5114077746a372d6Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/959ab6350add903e352890af53e86663739fcb9aPatch
Impacted products
Vendor Product Version
Linux Linux Version: 0c7f293efc87a06b51db9aa65256f8cb0a5a0a21
Version: 0c7f293efc87a06b51db9aa65256f8cb0a5a0a21
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   Linux Linux Version: 6.7
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{
   containers: {
      adp: [
         {
            metrics: [
               {
                  other: {
                     content: {
                        id: "CVE-2024-44975",
                        options: [
                           {
                              Exploitation: "none",
                           },
                           {
                              Automatable: "no",
                           },
                           {
                              "Technical Impact": "partial",
                           },
                        ],
                        role: "CISA Coordinator",
                        timestamp: "2024-09-10T15:26:17.235376Z",
                        version: "2.0.3",
                     },
                     type: "ssvc",
                  },
               },
            ],
            providerMetadata: {
               dateUpdated: "2024-09-12T17:33:03.893Z",
               orgId: "134c704f-9b21-4f2e-91b3-4a467353bcc0",
               shortName: "CISA-ADP",
            },
            title: "CISA ADP Vulnrichment",
         },
      ],
      cna: {
         affected: [
            {
               defaultStatus: "unaffected",
               product: "Linux",
               programFiles: [
                  "kernel/cgroup/cpuset.c",
               ],
               repo: "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               vendor: "Linux",
               versions: [
                  {
                     lessThan: "73d6c6cf8ef6a3c532aa159f5114077746a372d6",
                     status: "affected",
                     version: "0c7f293efc87a06b51db9aa65256f8cb0a5a0a21",
                     versionType: "git",
                  },
                  {
                     lessThan: "959ab6350add903e352890af53e86663739fcb9a",
                     status: "affected",
                     version: "0c7f293efc87a06b51db9aa65256f8cb0a5a0a21",
                     versionType: "git",
                  },
               ],
            },
            {
               defaultStatus: "affected",
               product: "Linux",
               programFiles: [
                  "kernel/cgroup/cpuset.c",
               ],
               repo: "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               vendor: "Linux",
               versions: [
                  {
                     status: "affected",
                     version: "6.7",
                  },
                  {
                     lessThan: "6.7",
                     status: "unaffected",
                     version: "0",
                     versionType: "semver",
                  },
                  {
                     lessThanOrEqual: "6.10.*",
                     status: "unaffected",
                     version: "6.10.7",
                     versionType: "semver",
                  },
                  {
                     lessThanOrEqual: "*",
                     status: "unaffected",
                     version: "6.11",
                     versionType: "original_commit_for_fix",
                  },
               ],
            },
         ],
         descriptions: [
            {
               lang: "en",
               value: "In the Linux kernel, the following vulnerability has been resolved:\n\ncgroup/cpuset: fix panic caused by partcmd_update\n\nWe find a bug as below:\nBUG: unable to handle page fault for address: 00000003\nPGD 0 P4D 0\nOops: 0000 [#1] PREEMPT SMP NOPTI\nCPU: 3 PID: 358 Comm: bash Tainted: G        W I        6.6.0-10893-g60d6\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/4\nRIP: 0010:partition_sched_domains_locked+0x483/0x600\nCode: 01 48 85 d2 74 0d 48 83 05 29 3f f8 03 01 f3 48 0f bc c2 89 c0 48 9\nRSP: 0018:ffffc90000fdbc58 EFLAGS: 00000202\nRAX: 0000000100000003 RBX: ffff888100b3dfa0 RCX: 0000000000000000\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000002fe80\nRBP: ffff888100b3dfb0 R08: 0000000000000001 R09: 0000000000000000\nR10: ffffc90000fdbcb0 R11: 0000000000000004 R12: 0000000000000002\nR13: ffff888100a92b48 R14: 0000000000000000 R15: 0000000000000000\nFS:  00007f44a5425740(0000) GS:ffff888237d80000(0000) knlGS:0000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000000100030973 CR3: 000000010722c000 CR4: 00000000000006e0\nCall Trace:\n <TASK>\n ? show_regs+0x8c/0xa0\n ? __die_body+0x23/0xa0\n ? __die+0x3a/0x50\n ? page_fault_oops+0x1d2/0x5c0\n ? partition_sched_domains_locked+0x483/0x600\n ? search_module_extables+0x2a/0xb0\n ? search_exception_tables+0x67/0x90\n ? kernelmode_fixup_or_oops+0x144/0x1b0\n ? __bad_area_nosemaphore+0x211/0x360\n ? up_read+0x3b/0x50\n ? bad_area_nosemaphore+0x1a/0x30\n ? exc_page_fault+0x890/0xd90\n ? __lock_acquire.constprop.0+0x24f/0x8d0\n ? __lock_acquire.constprop.0+0x24f/0x8d0\n ? asm_exc_page_fault+0x26/0x30\n ? partition_sched_domains_locked+0x483/0x600\n ? partition_sched_domains_locked+0xf0/0x600\n rebuild_sched_domains_locked+0x806/0xdc0\n update_partition_sd_lb+0x118/0x130\n cpuset_write_resmask+0xffc/0x1420\n cgroup_file_write+0xb2/0x290\n kernfs_fop_write_iter+0x194/0x290\n new_sync_write+0xeb/0x160\n vfs_write+0x16f/0x1d0\n ksys_write+0x81/0x180\n __x64_sys_write+0x21/0x30\n x64_sys_call+0x2f25/0x4630\n do_syscall_64+0x44/0xb0\n entry_SYSCALL_64_after_hwframe+0x78/0xe2\nRIP: 0033:0x7f44a553c887\n\nIt can be reproduced with cammands:\ncd /sys/fs/cgroup/\nmkdir test\ncd test/\necho +cpuset > ../cgroup.subtree_control\necho root > cpuset.cpus.partition\ncat /sys/fs/cgroup/cpuset.cpus.effective\n0-3\necho 0-3 > cpuset.cpus // taking away all cpus from root\n\nThis issue is caused by the incorrect rebuilding of scheduling domains.\nIn this scenario, test/cpuset.cpus.partition should be an invalid root\nand should not trigger the rebuilding of scheduling domains. When calling\nupdate_parent_effective_cpumask with partcmd_update, if newmask is not\nnull, it should recheck newmask whether there are cpus is available\nfor parect/cs that has tasks.",
            },
         ],
         providerMetadata: {
            dateUpdated: "2024-12-19T09:19:27.392Z",
            orgId: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            shortName: "Linux",
         },
         references: [
            {
               url: "https://git.kernel.org/stable/c/73d6c6cf8ef6a3c532aa159f5114077746a372d6",
            },
            {
               url: "https://git.kernel.org/stable/c/959ab6350add903e352890af53e86663739fcb9a",
            },
         ],
         title: "cgroup/cpuset: fix panic caused by partcmd_update",
         x_generator: {
            engine: "bippy-5f407fcff5a0",
         },
      },
   },
   cveMetadata: {
      assignerOrgId: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      assignerShortName: "Linux",
      cveId: "CVE-2024-44975",
      datePublished: "2024-09-04T19:54:27.622Z",
      dateReserved: "2024-08-21T05:34:56.669Z",
      dateUpdated: "2024-12-19T09:19:27.392Z",
      state: "PUBLISHED",
   },
   dataType: "CVE_RECORD",
   dataVersion: "5.1",
   "vulnerability-lookup:meta": {
      nvd: "{\"cve\":{\"id\":\"CVE-2024-44975\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-09-04T20:15:07.160\",\"lastModified\":\"2024-10-03T14:32:31.677\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ncgroup/cpuset: fix panic caused by partcmd_update\\n\\nWe find a bug as below:\\nBUG: unable to handle page fault for address: 00000003\\nPGD 0 P4D 0\\nOops: 0000 [#1] PREEMPT SMP NOPTI\\nCPU: 3 PID: 358 Comm: bash Tainted: G        W I        6.6.0-10893-g60d6\\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/4\\nRIP: 0010:partition_sched_domains_locked+0x483/0x600\\nCode: 01 48 85 d2 74 0d 48 83 05 29 3f f8 03 01 f3 48 0f bc c2 89 c0 48 9\\nRSP: 0018:ffffc90000fdbc58 EFLAGS: 00000202\\nRAX: 0000000100000003 RBX: ffff888100b3dfa0 RCX: 0000000000000000\\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000002fe80\\nRBP: ffff888100b3dfb0 R08: 0000000000000001 R09: 0000000000000000\\nR10: ffffc90000fdbcb0 R11: 0000000000000004 R12: 0000000000000002\\nR13: ffff888100a92b48 R14: 0000000000000000 R15: 0000000000000000\\nFS:  00007f44a5425740(0000) GS:ffff888237d80000(0000) knlGS:0000000000000\\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\nCR2: 0000000100030973 CR3: 000000010722c000 CR4: 00000000000006e0\\nCall Trace:\\n <TASK>\\n ? show_regs+0x8c/0xa0\\n ? __die_body+0x23/0xa0\\n ? __die+0x3a/0x50\\n ? page_fault_oops+0x1d2/0x5c0\\n ? partition_sched_domains_locked+0x483/0x600\\n ? search_module_extables+0x2a/0xb0\\n ? search_exception_tables+0x67/0x90\\n ? kernelmode_fixup_or_oops+0x144/0x1b0\\n ? __bad_area_nosemaphore+0x211/0x360\\n ? up_read+0x3b/0x50\\n ? bad_area_nosemaphore+0x1a/0x30\\n ? exc_page_fault+0x890/0xd90\\n ? __lock_acquire.constprop.0+0x24f/0x8d0\\n ? __lock_acquire.constprop.0+0x24f/0x8d0\\n ? asm_exc_page_fault+0x26/0x30\\n ? partition_sched_domains_locked+0x483/0x600\\n ? partition_sched_domains_locked+0xf0/0x600\\n rebuild_sched_domains_locked+0x806/0xdc0\\n update_partition_sd_lb+0x118/0x130\\n cpuset_write_resmask+0xffc/0x1420\\n cgroup_file_write+0xb2/0x290\\n kernfs_fop_write_iter+0x194/0x290\\n new_sync_write+0xeb/0x160\\n vfs_write+0x16f/0x1d0\\n ksys_write+0x81/0x180\\n __x64_sys_write+0x21/0x30\\n x64_sys_call+0x2f25/0x4630\\n do_syscall_64+0x44/0xb0\\n entry_SYSCALL_64_after_hwframe+0x78/0xe2\\nRIP: 0033:0x7f44a553c887\\n\\nIt can be reproduced with cammands:\\ncd /sys/fs/cgroup/\\nmkdir test\\ncd test/\\necho +cpuset > ../cgroup.subtree_control\\necho root > cpuset.cpus.partition\\ncat /sys/fs/cgroup/cpuset.cpus.effective\\n0-3\\necho 0-3 > cpuset.cpus // taking away all cpus from root\\n\\nThis issue is caused by the incorrect rebuilding of scheduling domains.\\nIn this scenario, test/cpuset.cpus.partition should be an invalid root\\nand should not trigger the rebuilding of scheduling domains. When calling\\nupdate_parent_effective_cpumask with partcmd_update, if newmask is not\\nnull, it should recheck newmask whether there are cpus is available\\nfor parect/cs that has tasks.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: cgroup/cpuset: arregla el pánico causado por partcmd_update Encontramos un error como el siguiente: ERROR: no se puede manejar el error de página para la dirección: 00000003 PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP NOPTI CPU: 3 PID: 358 Comm: bash Tainted: GWI 6.6.0-10893-g60d6 Nombre del hardware: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/4 RIP: 0010:partition_sched_domains_locked+0x483/0x600 Código: 01 48 85 d2 74 0d 48 83 05 29 3f f8 03 01 f3 48 0f bc c2 89 c0 48 9 RSP: 0018:ffffc90000fdbc58 EFLAGS: 00000202 RAX: 0000000100000003 RBX: ffff888100b3dfa0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000002fe80 RBP: ffff888100b3dfb0 R08: 0000000000000001 R09: 0000000000000000 R10: ffffc90000fdbcb0 R11: 0000000000000004 R12: 0000000000000002 R13: ffff888100a92b48 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f44a5425740(0000) GS:ffff888237d80000(0000) knlGS:0000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000100030973 CR3: 000000010722c000 CR4: 00000000000006e0 Seguimiento de llamadas:  ? show_regs+0x8c/0xa0 ? __die_body+0x23/0xa0 ? __die+0x3a/0x50 ? page_fault_oops+0x1d2/0x5c0 ? particion_sched_domains_locked+0x483/0x600 ? search_module_extables+0x2a/0xb0 ? search_exception_tables+0x67/0x90 ? kernelmode_fixup_or_oops+0x144/0x1b0 ? __bad_area_nosemaphore+0x211/0x360 ? up_read+0x3b/0x50 ? semáforo de nariz de área defectuosa+0x1a/0x30 ? exc_page_fault+0x890/0xd90 ? __lock_acquire.constprop.0+0x24f/0x8d0 ? __lock_acquire.constprop.0+0x24f/0x8d0 ? asm_exc_page_fault+0x26/0x30 ? dominios programados de partición bloqueados+0x483/0x600 ? partición_sched_dominios_bloqueados+0xf0/0x600 reconstruir_sched_dominios_bloqueados+0x806/0xdc0 actualizar_partición_sd_lb+0x118/0x130 resmask_escritura_cpuset+0xffc/0x1420 escritura_archivo_cgroup+0xb2/0x290 iterador_escritura_fop_kernfs+0x194/0x290 nueva_escritura_sincronizada+0xeb/0x160 escritura_vfs+0x16f/0x1d0 escritura_ksys+0x81/0x180 escritura_sys___x64+0x21/0x30 llamada_sys_x64+0x2f25/0x4630 llamada_sys_64+0x44/0xb0 entry_SYSCALL_64_after_hwframe+0x78/0xe2 RIP: 0033:0x7f44a553c887 Se puede reproducir con los siguientes comandos: cd /sys/fs/cgroup/ mkdir test cd test/ echo +cpuset &gt; ../cgroup.subtree_control echo root &gt; cpuset.cpus.partition cat /sys/fs/cgroup/cpuset.cpus.effective 0-3 echo 0-3 &gt; cpuset.cpus // quitar todas las CPU de la raíz Este problema se debe a la reconstrucción incorrecta de los dominios de programación. En este escenario, test/cpuset.cpus.partition debería ser una raíz no válida y no debería activar la reconstrucción de los dominios de programación. Al llamar a update_parent_effective_cpumask con partcmd_update, si newmask no es nulo, debe volver a verificar si newmask tiene CPU disponibles para parect/cs que tiene tareas.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.10.7\",\"matchCriteriaId\":\"D2AFDFD1-D95A-4EB7-843B-5E7659518B67\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"8B3CE743-2126-47A3-8B7C-822B502CF119\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"4DEB27E7-30AA-45CC-8934-B89263EF3551\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"E0005AEF-856E-47EB-BFE4-90C46899394D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"39889A68-6D34-47A6-82FC-CD0BF23D6754\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/73d6c6cf8ef6a3c532aa159f5114077746a372d6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/959ab6350add903e352890af53e86663739fcb9a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
      vulnrichment: {
         containers: "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-44975\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-10T15:26:17.235376Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-11T12:42:13.818Z\"}}], \"cna\": {\"title\": \"cgroup/cpuset: fix panic caused by partcmd_update\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"0c7f293efc87\", \"lessThan\": \"73d6c6cf8ef6\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"0c7f293efc87\", \"lessThan\": \"959ab6350add\", \"versionType\": \"git\"}], \"programFiles\": [\"kernel/cgroup/cpuset.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.7\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"6.7\", \"versionType\": \"custom\"}, {\"status\": \"unaffected\", \"version\": \"6.10.7\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"6.10.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"kernel/cgroup/cpuset.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/73d6c6cf8ef6a3c532aa159f5114077746a372d6\"}, {\"url\": \"https://git.kernel.org/stable/c/959ab6350add903e352890af53e86663739fcb9a\"}], \"x_generator\": {\"engine\": \"bippy-c9c4e1df01b2\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ncgroup/cpuset: fix panic caused by partcmd_update\\n\\nWe find a bug as below:\\nBUG: unable to handle page fault for address: 00000003\\nPGD 0 P4D 0\\nOops: 0000 [#1] PREEMPT SMP NOPTI\\nCPU: 3 PID: 358 Comm: bash Tainted: G        W I        6.6.0-10893-g60d6\\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/4\\nRIP: 0010:partition_sched_domains_locked+0x483/0x600\\nCode: 01 48 85 d2 74 0d 48 83 05 29 3f f8 03 01 f3 48 0f bc c2 89 c0 48 9\\nRSP: 0018:ffffc90000fdbc58 EFLAGS: 00000202\\nRAX: 0000000100000003 RBX: ffff888100b3dfa0 RCX: 0000000000000000\\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000002fe80\\nRBP: ffff888100b3dfb0 R08: 0000000000000001 R09: 0000000000000000\\nR10: ffffc90000fdbcb0 R11: 0000000000000004 R12: 0000000000000002\\nR13: ffff888100a92b48 R14: 0000000000000000 R15: 0000000000000000\\nFS:  00007f44a5425740(0000) GS:ffff888237d80000(0000) knlGS:0000000000000\\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\nCR2: 0000000100030973 CR3: 000000010722c000 CR4: 00000000000006e0\\nCall Trace:\\n <TASK>\\n ? show_regs+0x8c/0xa0\\n ? __die_body+0x23/0xa0\\n ? __die+0x3a/0x50\\n ? page_fault_oops+0x1d2/0x5c0\\n ? partition_sched_domains_locked+0x483/0x600\\n ? search_module_extables+0x2a/0xb0\\n ? search_exception_tables+0x67/0x90\\n ? kernelmode_fixup_or_oops+0x144/0x1b0\\n ? __bad_area_nosemaphore+0x211/0x360\\n ? up_read+0x3b/0x50\\n ? bad_area_nosemaphore+0x1a/0x30\\n ? exc_page_fault+0x890/0xd90\\n ? __lock_acquire.constprop.0+0x24f/0x8d0\\n ? __lock_acquire.constprop.0+0x24f/0x8d0\\n ? asm_exc_page_fault+0x26/0x30\\n ? partition_sched_domains_locked+0x483/0x600\\n ? partition_sched_domains_locked+0xf0/0x600\\n rebuild_sched_domains_locked+0x806/0xdc0\\n update_partition_sd_lb+0x118/0x130\\n cpuset_write_resmask+0xffc/0x1420\\n cgroup_file_write+0xb2/0x290\\n kernfs_fop_write_iter+0x194/0x290\\n new_sync_write+0xeb/0x160\\n vfs_write+0x16f/0x1d0\\n ksys_write+0x81/0x180\\n __x64_sys_write+0x21/0x30\\n x64_sys_call+0x2f25/0x4630\\n do_syscall_64+0x44/0xb0\\n entry_SYSCALL_64_after_hwframe+0x78/0xe2\\nRIP: 0033:0x7f44a553c887\\n\\nIt can be reproduced with cammands:\\ncd /sys/fs/cgroup/\\nmkdir test\\ncd test/\\necho +cpuset > ../cgroup.subtree_control\\necho root > cpuset.cpus.partition\\ncat /sys/fs/cgroup/cpuset.cpus.effective\\n0-3\\necho 0-3 > cpuset.cpus // taking away all cpus from root\\n\\nThis issue is caused by the incorrect rebuilding of scheduling domains.\\nIn this scenario, test/cpuset.cpus.partition should be an invalid root\\nand should not trigger the rebuilding of scheduling domains. When calling\\nupdate_parent_effective_cpumask with partcmd_update, if newmask is not\\nnull, it should recheck newmask whether there are cpus is available\\nfor parect/cs that has tasks.\"}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2024-09-15T17:56:17.067Z\"}}}",
         cveMetadata: "{\"cveId\": \"CVE-2024-44975\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-09-15T17:56:17.067Z\", \"dateReserved\": \"2024-08-21T05:34:56.669Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-09-04T19:54:27.622Z\", \"assignerShortName\": \"Linux\"}",
         dataType: "CVE_RECORD",
         dataVersion: "5.1",
      },
   },
}


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