{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-42251",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm: page_ref: remove folio_try_get_rcu()\n\nThe below bug was reported on a non-SMP kernel:\n\n[  275.267158][ T4335] ------------[ cut here ]------------\n[  275.267949][ T4335] kernel BUG at include/linux/page_ref.h:275!\n[  275.268526][ T4335] invalid opcode: 0000 [#1] KASAN PTI\n[  275.269001][ T4335] CPU: 0 PID: 4335 Comm: trinity-c3 Not tainted 6.7.0-rc4-00061-gefa7df3e3bb5 #1\n[  275.269787][ T4335] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014\n[  275.270679][ T4335] RIP: 0010:try_get_folio (include/linux/page_ref.h:275 (discriminator 3) mm/gup.c:79 (discriminator 3))\n[  275.272813][ T4335] RSP: 0018:ffffc90005dcf650 EFLAGS: 00010202\n[  275.273346][ T4335] RAX: 0000000000000246 RBX: ffffea00066e0000 RCX: 0000000000000000\n[  275.274032][ T4335] RDX: fffff94000cdc007 RSI: 0000000000000004 RDI: ffffea00066e0034\n[  275.274719][ T4335] RBP: ffffea00066e0000 R08: 0000000000000000 R09: fffff94000cdc006\n[  275.275404][ T4335] R10: ffffea00066e0037 R11: 0000000000000000 R12: 0000000000000136\n[  275.276106][ T4335] R13: ffffea00066e0034 R14: dffffc0000000000 R15: ffffea00066e0008\n[  275.276790][ T4335] FS:  00007fa2f9b61740(0000) GS:ffffffff89d0d000(0000) knlGS:0000000000000000\n[  275.277570][ T4335] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[  275.278143][ T4335] CR2: 00007fa2f6c00000 CR3: 0000000134b04000 CR4: 00000000000406f0\n[  275.278833][ T4335] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n[  275.279521][ T4335] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n[  275.280201][ T4335] Call Trace:\n[  275.280499][ T4335]  <TASK>\n[ 275.280751][ T4335] ? die (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:434 arch/x86/kernel/dumpstack.c:447)\n[ 275.281087][ T4335] ? do_trap (arch/x86/kernel/traps.c:112 arch/x86/kernel/traps.c:153)\n[ 275.281463][ T4335] ? try_get_folio (include/linux/page_ref.h:275 (discriminator 3) mm/gup.c:79 (discriminator 3))\n[ 275.281884][ T4335] ? try_get_folio (include/linux/page_ref.h:275 (discriminator 3) mm/gup.c:79 (discriminator 3))\n[ 275.282300][ T4335] ? do_error_trap (arch/x86/kernel/traps.c:174)\n[ 275.282711][ T4335] ? try_get_folio (include/linux/page_ref.h:275 (discriminator 3) mm/gup.c:79 (discriminator 3))\n[ 275.283129][ T4335] ? handle_invalid_op (arch/x86/kernel/traps.c:212)\n[ 275.283561][ T4335] ? try_get_folio (include/linux/page_ref.h:275 (discriminator 3) mm/gup.c:79 (discriminator 3))\n[ 275.283990][ T4335] ? exc_invalid_op (arch/x86/kernel/traps.c:264)\n[ 275.284415][ T4335] ? asm_exc_invalid_op (arch/x86/include/asm/idtentry.h:568)\n[ 275.284859][ T4335] ? try_get_folio (include/linux/page_ref.h:275 (discriminator 3) mm/gup.c:79 (discriminator 3))\n[ 275.285278][ T4335] try_grab_folio (mm/gup.c:148)\n[ 275.285684][ T4335] __get_user_pages (mm/gup.c:1297 (discriminator 1))\n[ 275.286111][ T4335] ? __pfx___get_user_pages (mm/gup.c:1188)\n[ 275.286579][ T4335] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825)\n[ 275.287034][ T4335] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 1))\n[ 275.287416][ T4335] __gup_longterm_locked (mm/gup.c:1509 mm/gup.c:2209)\n[ 275.288192][ T4335] ? __pfx___gup_longterm_locked (mm/gup.c:2204)\n[ 275.288697][ T4335] ? __pfx_lock_acquire (kernel/locking/lockdep.c:5722)\n[ 275.289135][ T4335] ? __pfx___might_resched (kernel/sched/core.c:10106)\n[ 275.289595][ T4335] pin_user_pages_remote (mm/gup.c:3350)\n[ 275.290041][ T4335] ? __pfx_pin_user_pages_remote (mm/gup.c:3350)\n[ 275.290545][ T4335] ? find_held_lock (kernel/locking/lockdep.c:5244 (discriminator 1))\n[ 275.290961][ T4335] ? mm_access (kernel/fork.c:1573)\n[ 275.291353][ T4335] process_vm_rw_single_vec+0x142/0x360\n[ 275.291900][ T4335] ? __pfx_process_vm_rw_single_vec+0x10/0x10\n[ 275.292471][ T4335] ? mm_access (kernel/fork.c:1573)\n[ 275.292859][ T4335] process_vm_rw_core+0x272/0x4e0\n[ 275.293384][ T4335] ? hlock_class (a\n---truncated---"
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Linux",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Linux",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "57edfcfd3419",
                                            "version_value": "16380f52b721"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "6.6",
                                                        "status": "affected"
                                                    },
                                                    {
                                                        "version": "0",
                                                        "lessThan": "6.6",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.6.42",
                                                        "lessThanOrEqual": "6.6.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.9.11",
                                                        "lessThanOrEqual": "6.9.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.10",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/16380f52b72166d6a33b508cc2509716f436253f",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/16380f52b72166d6a33b508cc2509716f436253f"
            },
            {
                "url": "https://git.kernel.org/stable/c/e7db2762ea3e69f215b3ec4db666006deccc37b4",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/e7db2762ea3e69f215b3ec4db666006deccc37b4"
            },
            {
                "url": "https://git.kernel.org/stable/c/fa2690af573dfefb47ba6eef888797a64b6b5f3c",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/fa2690af573dfefb47ba6eef888797a64b6b5f3c"
            }
        ]
    },
    "generator": {
        "engine": "bippy-c9c4e1df01b2"
    }
}