{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2024-44975",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-08-21T05:34:56.669Z",
        "datePublished": "2024-09-04T19:54:27.622Z",
        "dateUpdated": "2024-09-15T17:56:17.067Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2024-09-15T17:56:17.067Z"
            },
            "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."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "kernel/cgroup/cpuset.c"
                    ],
                    "versions": [
                        {
                            "version": "0c7f293efc87",
                            "lessThan": "73d6c6cf8ef6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0c7f293efc87",
                            "lessThan": "959ab6350add",
                            "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/cgroup/cpuset.c"
                    ],
                    "versions": [
                        {
                            "version": "6.7",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.7",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.10.7",
                            "lessThanOrEqual": "6.10.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.11",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "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-c9c4e1df01b2"
            }
        },
        "adp": [
            {
                "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"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-09-12T17:33:03.893Z"
                }
            }
        ]
    }
}