{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-37806", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:23.942Z", "datePublished": "2025-05-08T06:26:05.689Z", "dateUpdated": "2026-05-11T21:15:30.417Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:15:30.417Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: Keep write operations atomic\n\nsyzbot reported a NULL pointer dereference in __generic_file_write_iter. [1]\n\nBefore the write operation is completed, the user executes ioctl[2] to clear\nthe compress flag of the file, which causes the is_compressed() judgment to\nreturn 0, further causing the program to enter the wrong process and call the\nwrong ops ntfs_aops_cmpr, which triggers the null pointer dereference of\nwrite_begin.\n\nUse inode lock to synchronize ioctl and write to avoid this case.\n\n[1]\nUnable to handle kernel NULL pointer dereference at virtual address 0000000000000000\nMem abort info:\n ESR = 0x0000000086000006\n EC = 0x21: IABT (current EL), IL = 32 bits\n SET = 0, FnV = 0\n EA = 0, S1PTW = 0\n FSC = 0x06: level 2 translation fault\nuser pgtable: 4k pages, 48-bit VAs, pgdp=000000011896d000\n[0000000000000000] pgd=0800000118b44403, p4d=0800000118b44403, pud=0800000117517403, pmd=0000000000000000\nInternal error: Oops: 0000000086000006 [#1] PREEMPT SMP\nModules linked in:\nCPU: 0 UID: 0 PID: 6427 Comm: syz-executor347 Not tainted 6.13.0-rc3-syzkaller-g573067a5a685 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\npstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\npc : 0x0\nlr : generic_perform_write+0x29c/0x868 mm/filemap.c:4055\nsp : ffff80009d4978a0\nx29: ffff80009d4979c0 x28: dfff800000000000 x27: ffff80009d497bc8\nx26: 0000000000000000 x25: ffff80009d497960 x24: ffff80008ba71c68\nx23: 0000000000000000 x22: ffff0000c655dac0 x21: 0000000000001000\nx20: 000000000000000c x19: 1ffff00013a92f2c x18: ffff0000e183aa1c\nx17: 0004060000000014 x16: ffff800083275834 x15: 0000000000000001\nx14: 0000000000000000 x13: 0000000000000001 x12: ffff0000c655dac0\nx11: 0000000000ff0100 x10: 0000000000ff0100 x9 : 0000000000000000\nx8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000\nx5 : ffff80009d497980 x4 : ffff80009d497960 x3 : 0000000000001000\nx2 : 0000000000000000 x1 : ffff0000e183a928 x0 : ffff0000d60b0fc0\nCall trace:\n 0x0 (P)\n __generic_file_write_iter+0xfc/0x204 mm/filemap.c:4156\n ntfs_file_write_iter+0x54c/0x630 fs/ntfs3/file.c:1267\n new_sync_write fs/read_write.c:586 [inline]\n vfs_write+0x920/0xcf4 fs/read_write.c:679\n ksys_write+0x15c/0x26c fs/read_write.c:731\n __do_sys_write fs/read_write.c:742 [inline]\n __se_sys_write fs/read_write.c:739 [inline]\n __arm64_sys_write+0x7c/0x90 fs/read_write.c:739\n __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]\n invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49\n el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132\n do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151\n el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744\n el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762\n\n[2]\nioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000000c0)=0x20)"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/ntfs3/file.c"], "versions": [{"version": "4534a70b7056fd4b9a1c6db5a4ce3c98546b291e", "lessThan": "8db49e89a7f8b48ee59fa9ad32b6ed0879747df8", "status": "affected", "versionType": "git"}, {"version": "4534a70b7056fd4b9a1c6db5a4ce3c98546b291e", "lessThan": "464139e18f619aa14fb921a61721862f43421c54", "status": "affected", "versionType": "git"}, {"version": "4534a70b7056fd4b9a1c6db5a4ce3c98546b291e", "lessThan": "285cec318bf5a7a6c8ba999b2b6ec96f9a20590f", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/ntfs3/file.c"], "versions": [{"version": "5.15", "status": "affected"}, {"version": "0", "lessThan": "5.15", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.26", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.14.5", "lessThanOrEqual": "6.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.15", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.12.26"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.14.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.15"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/8db49e89a7f8b48ee59fa9ad32b6ed0879747df8"}, {"url": "https://git.kernel.org/stable/c/464139e18f619aa14fb921a61721862f43421c54"}, {"url": "https://git.kernel.org/stable/c/285cec318bf5a7a6c8ba999b2b6ec96f9a20590f"}], "title": "fs/ntfs3: Keep write operations atomic", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "627E9A4C-99B3-4ED8-95D1-4E5FC0008064", "versionEndExcluding": "6.12.26", "versionStartIncluding": "5.15", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6B25CA7E-4CD0-46DB-B4EF-13A3516071FB", "versionEndExcluding": "6.14.5", "versionStartIncluding": "6.13", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: Keep write operations atomic\n\nsyzbot reported a NULL pointer dereference in __generic_file_write_iter. [1]\n\nBefore the write operation is completed, the user executes ioctl[2] to clear\nthe compress flag of the file, which causes the is_compressed() judgment to\nreturn 0, further causing the program to enter the wrong process and call the\nwrong ops ntfs_aops_cmpr, which triggers the null pointer dereference of\nwrite_begin.\n\nUse inode lock to synchronize ioctl and write to avoid this case.\n\n[1]\nUnable to handle kernel NULL pointer dereference at virtual address 0000000000000000\nMem abort info:\n ESR = 0x0000000086000006\n EC = 0x21: IABT (current EL), IL = 32 bits\n SET = 0, FnV = 0\n EA = 0, S1PTW = 0\n FSC = 0x06: level 2 translation fault\nuser pgtable: 4k pages, 48-bit VAs, pgdp=000000011896d000\n[0000000000000000] pgd=0800000118b44403, p4d=0800000118b44403, pud=0800000117517403, pmd=0000000000000000\nInternal error: Oops: 0000000086000006 [#1] PREEMPT SMP\nModules linked in:\nCPU: 0 UID: 0 PID: 6427 Comm: syz-executor347 Not tainted 6.13.0-rc3-syzkaller-g573067a5a685 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\npstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\npc : 0x0\nlr : generic_perform_write+0x29c/0x868 mm/filemap.c:4055\nsp : ffff80009d4978a0\nx29: ffff80009d4979c0 x28: dfff800000000000 x27: ffff80009d497bc8\nx26: 0000000000000000 x25: ffff80009d497960 x24: ffff80008ba71c68\nx23: 0000000000000000 x22: ffff0000c655dac0 x21: 0000000000001000\nx20: 000000000000000c x19: 1ffff00013a92f2c x18: ffff0000e183aa1c\nx17: 0004060000000014 x16: ffff800083275834 x15: 0000000000000001\nx14: 0000000000000000 x13: 0000000000000001 x12: ffff0000c655dac0\nx11: 0000000000ff0100 x10: 0000000000ff0100 x9 : 0000000000000000\nx8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000\nx5 : ffff80009d497980 x4 : ffff80009d497960 x3 : 0000000000001000\nx2 : 0000000000000000 x1 : ffff0000e183a928 x0 : ffff0000d60b0fc0\nCall trace:\n 0x0 (P)\n __generic_file_write_iter+0xfc/0x204 mm/filemap.c:4156\n ntfs_file_write_iter+0x54c/0x630 fs/ntfs3/file.c:1267\n new_sync_write fs/read_write.c:586 [inline]\n vfs_write+0x920/0xcf4 fs/read_write.c:679\n ksys_write+0x15c/0x26c fs/read_write.c:731\n __do_sys_write fs/read_write.c:742 [inline]\n __se_sys_write fs/read_write.c:739 [inline]\n __arm64_sys_write+0x7c/0x90 fs/read_write.c:739\n __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]\n invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49\n el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132\n do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151\n el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744\n el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762\n\n[2]\nioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000000c0)=0x20)"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: fs/ntfs3: Mantener las operaciones de escritura at\u00f3micas. syzbot report\u00f3 una desreferencia de puntero nulo en __generic_file_write_iter. [1] Antes de completar la operaci\u00f3n de escritura, el usuario ejecuta ioctl[2] para borrar el indicador de compresi\u00f3n del archivo, lo que provoca que la sentencia is_compressed() devuelva 0, lo que provoca que el programa acceda al proceso incorrecto y llame a la operaci\u00f3n incorrecta ntfs_aops_cmpr, lo que desencadena la desreferencia de puntero nulo de write_begin. Utilice el bloqueo de inodo para sincronizar ioctl y write y evitar este caso. [1] No se puede manejar la desreferencia del puntero NULL del n\u00facleo en la direcci\u00f3n virtual 0000000000000000 Informaci\u00f3n de aborto de memoria: ESR = 0x0000000086000006 EC = 0x21: IABT (EL actual), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x06: error de traducci\u00f3n de nivel 2 usuario pgtable: 4k p\u00e1ginas, VAs de 48 bits, pgdp=000000011896d000 [000000000000000] pgd=0800000118b44403, p4d=0800000118b44403, pud=0800000117517403, pmd=0000000000000000 Error interno: Oops: 0000000086000006 [#1] PREEMPT M\u00f3dulos SMP vinculados: CPU: 0 UID: 0 PID: 6427 Comm: syz-executor347 No contaminado 6.13.0-rc3-syzkaller-g573067a5a685 #0 Nombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 13/09/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : 0x0 lr : generic_perform_write+0x29c/0x868 mm/filemap.c:4055 sp : ffff80009d4978a0 x29: ffff80009d4979c0 x28: dfff800000000000 x27: ffff80009d497bc8 x26: 00000000000000000 x25: ffff80009d497960 x24: ffff80008ba71c68 x23: 0000000000000000 x22: ffff0000c655dac0 x21: 0000000000001000 x20: 0000000000000000c x19: 1ffff00013a92f2c x18: ffff0000e183aa1c x17: 0004060000000014 x16: ffff800083275834 x15: 0000000000000001 x14: 0000000000000000 x13: 0000000000000001 x12: ffff0000c655dac0 x11: 0000000000ff0100 x10: 0000000000ff0100 x9: 0000000000000000 x8: 0000000000000000 x7: 0000000000000000 x6: 0000000000000000 x5 : ffff80009d497980 x4 : ffff80009d497960 x3 : 0000000000001000 x2 : 0000000000000000 x1 : ffff0000e183a928 x0 : ffff0000d60b0fc0 Rastreo de llamada: 0x0 (P) __generic_file_write_iter+0xfc/0x204 mm/filemap.c:4156 ntfs_file_write_iter+0x54c/0x630 fs/ntfs3/file.c:1267 new_sync_write fs/read_write.c:586 [inline] vfs_write+0x920/0xcf4 fs/read_write.c:679 ksys_write+0x15c/0x26c fs/read_write.c:731 __do_sys_write fs/read_write.c:742 [inline] __se_sys_write fs/read_write.c:739 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:739 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 [2] ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000000c0)=0x20) "}], "id": "CVE-2025-37806", "lastModified": "2025-11-10T17:32:50.763", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-05-08T07:15:51.773", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/285cec318bf5a7a6c8ba999b2b6ec96f9a20590f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/464139e18f619aa14fb921a61721862f43421c54"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8db49e89a7f8b48ee59fa9ad32b6ed0879747df8"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: fs/ntfs3: Keep write operations atomic", "id": "2365034", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2365034"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nfs/ntfs3: Keep write operations atomic\nsyzbot reported a NULL pointer dereference in __generic_file_write_iter. [1]\nBefore the write operation is completed, the user executes ioctl[2] to clear\nthe compress flag of the file, which causes the is_compressed() judgment to\nreturn 0, further causing the program to enter the wrong process and call the\nwrong ops ntfs_aops_cmpr, which triggers the null pointer dereference of\nwrite_begin.\nUse inode lock to synchronize ioctl and write to avoid this case.\n[1]\nUnable to handle kernel NULL pointer dereference at virtual address 0000000000000000\nMem abort info:\nESR = 0x0000000086000006\nEC = 0x21: IABT (current EL), IL = 32 bits\nSET = 0, FnV = 0\nEA = 0, S1PTW = 0\nFSC = 0x06: level 2 translation fault\nuser pgtable: 4k pages, 48-bit VAs, pgdp=000000011896d000\n[0000000000000000] pgd=0800000118b44403, p4d=0800000118b44403, pud=0800000117517403, pmd=0000000000000000\nInternal error: Oops: 0000000086000006 [#1] PREEMPT SMP\nModules linked in:\nCPU: 0 UID: 0 PID: 6427 Comm: syz-executor347 Not tainted 6.13.0-rc3-syzkaller-g573067a5a685 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\npstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\npc : 0x0\nlr : generic_perform_write+0x29c/0x868 mm/filemap.c:4055\nsp : ffff80009d4978a0\nx29: ffff80009d4979c0 x28: dfff800000000000 x27: ffff80009d497bc8\nx26: 0000000000000000 x25: ffff80009d497960 x24: ffff80008ba71c68\nx23: 0000000000000000 x22: ffff0000c655dac0 x21: 0000000000001000\nx20: 000000000000000c x19: 1ffff00013a92f2c x18: ffff0000e183aa1c\nx17: 0004060000000014 x16: ffff800083275834 x15: 0000000000000001\nx14: 0000000000000000 x13: 0000000000000001 x12: ffff0000c655dac0\nx11: 0000000000ff0100 x10: 0000000000ff0100 x9 : 0000000000000000\nx8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000\nx5 : ffff80009d497980 x4 : ffff80009d497960 x3 : 0000000000001000\nx2 : 0000000000000000 x1 : ffff0000e183a928 x0 : ffff0000d60b0fc0\nCall trace:\n0x0 (P)\n__generic_file_write_iter+0xfc/0x204 mm/filemap.c:4156\nntfs_file_write_iter+0x54c/0x630 fs/ntfs3/file.c:1267\nnew_sync_write fs/read_write.c:586 [inline]\nvfs_write+0x920/0xcf4 fs/read_write.c:679\nksys_write+0x15c/0x26c fs/read_write.c:731\n__do_sys_write fs/read_write.c:742 [inline]\n__se_sys_write fs/read_write.c:739 [inline]\n__arm64_sys_write+0x7c/0x90 fs/read_write.c:739\n__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]\ninvoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49\nel0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132\ndo_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151\nel0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744\nel0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762\n[2]\nioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000000c0)=0x20)"], "name": "CVE-2025-37806", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-05-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-37806\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-37806\nhttps://lore.kernel.org/linux-cve-announce/2025050815-CVE-2025-37806-a6a5@gregkh/T"], "threat_severity": "Moderate"}

{}