{"id":"CVE-2024-42251","state":"PUBLISHED","title":"mm: page_ref: remove folio_try_get_rcu()","description":"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---","publishedAt":"2024-08-08T08:46:27.851Z","updatedAt":"2026-05-11T20:28:43.634Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"57edfcfd3419b4799353d8cbd6ce49da075cfdbd","status":"affected","lessThan":"16380f52b72166d6a33b508cc2509716f436253f","versionType":"git"},{"version":"57edfcfd3419b4799353d8cbd6ce49da075cfdbd","status":"affected","lessThan":"e7db2762ea3e69f215b3ec4db666006deccc37b4","versionType":"git"},{"version":"57edfcfd3419b4799353d8cbd6ce49da075cfdbd","status":"affected","lessThan":"fa2690af573dfefb47ba6eef888797a64b6b5f3c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/linux/page_ref.h","mm/filemap.c","mm/gup.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.6","versionType":"semver"},{"version":"6.6.42","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.9.11","status":"unaffected","lessThanOrEqual":"6.9.*","versionType":"semver"},{"version":"6.10","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/linux/page_ref.h","mm/filemap.c","mm/gup.c"]}],"references":["https://git.kernel.org/stable/c/16380f52b72166d6a33b508cc2509716f436253f","https://git.kernel.org/stable/c/e7db2762ea3e69f215b3ec4db666006deccc37b4","https://git.kernel.org/stable/c/fa2690af573dfefb47ba6eef888797a64b6b5f3c"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:47.831Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/42xxx/CVE-2024-42251.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-42251","state":"PUBLISHED","datePublished":"2024-08-08T08:46:27.851Z","dateUpdated":"2026-05-11T20:28:43.634Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-07-30T07:40:12.256Z"},"containers":{"cna":{"title":"mm: page_ref: remove folio_try_get_rcu()","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---"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"57edfcfd3419b4799353d8cbd6ce49da075cfdbd","status":"affected","lessThan":"16380f52b72166d6a33b508cc2509716f436253f","versionType":"git"},{"version":"57edfcfd3419b4799353d8cbd6ce49da075cfdbd","status":"affected","lessThan":"e7db2762ea3e69f215b3ec4db666006deccc37b4","versionType":"git"},{"version":"57edfcfd3419b4799353d8cbd6ce49da075cfdbd","status":"affected","lessThan":"fa2690af573dfefb47ba6eef888797a64b6b5f3c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/linux/page_ref.h","mm/filemap.c","mm/gup.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.6","versionType":"semver"},{"version":"6.6.42","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.9.11","status":"unaffected","lessThanOrEqual":"6.9.*","versionType":"semver"},{"version":"6.10","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/linux/page_ref.h","mm/filemap.c","mm/gup.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/16380f52b72166d6a33b508cc2509716f436253f"},{"url":"https://git.kernel.org/stable/c/e7db2762ea3e69f215b3ec4db666006deccc37b4"},{"url":"https://git.kernel.org/stable/c/fa2690af573dfefb47ba6eef888797a64b6b5f3c"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:28:43.634Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.6.42"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.9.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.10"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-42251","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T16:13:15.848322Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-11T17:34:30.543Z"}}]}}}