CVE-2024-42251

{"id": "CVE-2024-42251", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2024-08-08T09:15:08.070", "references": [{"url": "https://git.kernel.org/stable/c/16380f52b72166d6a33b508cc2509716f436253f", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/e7db2762ea3e69f215b3ec4db666006deccc37b4", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/fa2690af573dfefb47ba6eef888797a64b6b5f3c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-617"}]}], "descriptions": [{"lang": "en", "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---"}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: mm: page_ref: remove folio_try_get_rcu() El siguiente error se inform\u00f3 en un kernel que no es SMP: [ 275.267158][ T4335] ------------ [cortar aqu\u00ed]------------ [275.267949][T4335] \u00a1ERROR del kernel en include/linux/page_ref.h:275! [ 275.268526][ T4335] c\u00f3digo de operaci\u00f3n no v\u00e1lido: 0000 [#1] KASAN PTI [ 275.269001][ T4335] CPU: 0 PID: 4335 Comm: trinity-c3 No contaminado 6.7.0-rc4-00061-gefa7df3e3bb5 #1 [ 275.269787][ T4335] Nombre de hardware: PC est\u00e1ndar QEMU (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 01/04/2014 [ 275.270679][ T4335] RIP: 0010:try_get_folio (include/linux/page_ref .h:275 (discriminador 3) mm/gup.c:79 (discriminador 3)) [ 275.272813][ T4335] RSP: 0018:ffffc90005dcf650 EFLAGS: 00010202 [ 275.273346][ T4335] RAX: 00000000000000246 RBX: ffffea00066e0000 RCX: 0000000000000000 [ 275.274032][T4335] RDX: fffff94000cdc007 RSI: 0000000000000004 RDI: ffffea00066e0034 [ 275.274719][ T4335] RBP: ffffea00066e0000 R08: 000000 R09: fffff94000cdc006 [ 275.275404][ T4335] R10: ffffea00066e0037 R11: 00000000000000000 R12: 0000000000000136 [ 275.276106][ T4335] R13: ffffea00066e0034 R14: dffffc0000000000 R15: ffffea00066e0008 [ 275.276790][ T4335] FS: 00007fa2f9b61740(0000) GS:ffffffff89d0d000(0000) 0000000000000000 [ 275.277570][ T4335] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 275.278143 ][ T4335] CR2: 00007fa2f6c00000 CR3: 0000000134b04000 CR4: 00000000000406f0 [ 275.278833][ T4335] DR0: 0000000000000000 DR1: 000 DR2: 0000000000000000 [ 275.279521][ T4335] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 00000000000000400 [ 275.280201][ T4335] Llamada Seguimiento: [ 275.280499][ T4335] [ 275.280751][ T4335] ? morir (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:434 arch/x86/kernel/dumpstack.c:447) [275.281087][T4335]? do_trap (arch/x86/kernel/traps.c:112 arch/x86/kernel/traps.c:153) [ 275.281463][ T4335] ? try_get_folio (include/linux/page_ref.h:275 (discriminador 3) mm/gup.c:79 (discriminador 3)) [ 275.281884][ T4335] ? try_get_folio (include/linux/page_ref.h:275 (discriminador 3) mm/gup.c:79 (discriminador 3)) [ 275.282300][ T4335] ? do_error_trap (arch/x86/kernel/traps.c:174) [275.282711][T4335]? try_get_folio (include/linux/page_ref.h:275 (discriminador 3) mm/gup.c:79 (discriminador 3)) [ 275.283129][ T4335] ? handle_invalid_op (arch/x86/kernel/traps.c:212) [275.283561][T4335]? try_get_folio (include/linux/page_ref.h:275 (discriminador 3) mm/gup.c:79 (discriminador 3)) [ 275.283990][ T4335] ? exc_invalid_op (arch/x86/kernel/traps.c:264) [275.284415][T4335]? asm_exc_invalid_op (arch/x86/include/asm/idtentry.h:568) [275.284859][T4335]? try_get_folio (include/linux/page_ref.h:275 (discriminador 3) mm/gup.c:79 (discriminador 3)) [ 275.285278][ T4335] try_grab_folio (mm/gup.c:148) [ 275.285684][ T4335] __get_user_pages (mm/gup.c:1297 (discriminador 1)) [275.286111][T4335] ? __pfx___get_user_pages (mm/gup.c:1188) [ 275.286579][ T4335] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [275.287034][T4335]? mark_lock (kernel/locking/lockdep.c:4656 (discriminador 1)) [ 275.287416][ T4335] __gup_longterm_locked (mm/gup.c:1509 mm/gup.c:2209) [ 275.288192][ T4335] ? __pfx___gup_longterm_locked (mm/gup.c:2204) [ 275.288697][ T4335] ? __pfx_lock_acquire (kernel/locking/lockdep.c:5722) [275.289135][T4335]? __pfx___might_resched (kernel/sched/core.c:10106) [ 275.289595][ T4335] pin_user_pages_remote (mm/gup.c:3350) [ 275.290041][ T4335] ? __pfx_pin_user_pages_remote (mm/gup.c:3350) [275.290545][T4335]? find_held_lock (kernel/locking/lockdep.c:5244 (discriminador 1)) [275.290961][T4335]? mm_access (kernel/fork.c:1573) [275.291353][ T4335] Process_vm_rw_single_vec+0x142/0x360 [275.291900][ T4335] ? __pfx_process_vm_rw_single_vec+0x10/0x10 [275.292471][T4335]? mm_access (kernel/fork.c:1573) [275.292859][ T4335] Process_vm_rw_core+0x272/0x4e0 [275.293384][ T4335] ? hlock_class (a ---truncado---"}], "lastModified": "2024-09-06T13:21:23.203", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6E483F3F-08B8-4056-9FCB-83667A847BE5", "versionEndExcluding": "6.6.42", "versionStartIncluding": "6.6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "01E300B3-8B39-4A2D-8B03-4631433D3915", "versionEndExcluding": "6.9.11", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.10:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2EBB4392-5FA6-4DA9-9772-8F9C750109FA"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.10:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "331C2F14-12C7-45D5-893D-8C52EE38EA10"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.10:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3173713D-909A-4DD3-9DD4-1E171EB057EE"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.10:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "79F18AFA-40F7-43F0-BA30-7BDB65F918B9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.10:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BD973AA4-A789-49BD-8D57-B2846935D3C7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.10:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8F3E9E0C-AC3E-4967-AF80-6483E8AB0078"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.10:rc7:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "11AF4CB9-F697-4EA4-8903-8F9417EFDA8E"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}