CVE-2025-38728
Full vulnerability record from the local CVENow database.
Description
In the Linux kernel, the following vulnerability has been resolved: smb3: fix for slab out of bounds on mount to ksmbd With KASAN enabled, it is possible to get a slab out of bounds during mount to ksmbd due to missing check in parse_server_interfaces() (see below): BUG: KASAN: slab-out-of-bounds in parse_server_interfaces+0x14ee/0x1880 [cifs] Read of size 4 at addr ffff8881433dba98 by task mount/9827 CPU: 5 UID: 0 PID: 9827 Comm: mount Tainted: G OE 6.16.0-rc2-kasan #2 PREEMPT(voluntary) Tainted: [O]=OOT_MODULE, [E]=UNSIGNED_MODULE Hardware name: Dell Inc. Precision Tower 3620/0MWYPT, BIOS 2.13.1 06/14/2019 Call Trace: <TASK> dump_stack_lvl+0x9f/0xf0 print_report+0xd1/0x670 __virt_addr_valid+0x22c/0x430 ? parse_server_interfaces+0x14ee/0x1880 [cifs] ? kasan_complete_mode_report_info+0x2a/0x1f0 ? parse_server_interfaces+0x14ee/0x1880 [cifs] kasan_report+0xd6/0x110 parse_server_interfaces+0x14ee/0x1880 [cifs] __asan_report_load_n_noabort+0x13/0x20 parse_server_interfaces+0x14ee/0x1880 [cifs] ? __pfx_parse_server_interfaces+0x10/0x10 [cifs] ? trace_hardirqs_on+0x51/0x60 SMB3_request_interfaces+0x1ad/0x3f0 [cifs] ? __pfx_SMB3_request_interfaces+0x10/0x10 [cifs] ? SMB2_tcon+0x23c/0x15d0 [cifs] smb3_qfs_tcon+0x173/0x2b0 [cifs] ? __pfx_smb3_qfs_tcon+0x10/0x10 [cifs] ? cifs_get_tcon+0x105d/0x2120 [cifs] ? do_raw_spin_unlock+0x5d/0x200 ? cifs_get_tcon+0x105d/0x2120 [cifs] ? __pfx_smb3_qfs_tcon+0x10/0x10 [cifs] cifs_mount_get_tcon+0x369/0xb90 [cifs] ? dfs_cache_find+0xe7/0x150 [cifs] dfs_mount_share+0x985/0x2970 [cifs] ? check_path.constprop.0+0x28/0x50 ? save_trace+0x54/0x370 ? __pfx_dfs_mount_share+0x10/0x10 [cifs] ? __lock_acquire+0xb82/0x2ba0 ? __kasan_check_write+0x18/0x20 cifs_mount+0xbc/0x9e0 [cifs] ? __pfx_cifs_mount+0x10/0x10 [cifs] ? do_raw_spin_unlock+0x5d/0x200 ? cifs_setup_cifs_sb+0x29d/0x810 [cifs] cifs_smb3_do_mount+0x263/0x1990 [cifs]
Severity
HIGH
CVSS score
7.1
(v3.1)
Vulnerability status
Modified
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2025-09-04 16:15:42.867000
Last modified
2026-10-30 13:18:07.957000
View original CVE JSON
{
"id": "CVE-2025-38728",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2025-09-04T16:15:42.867",
"lastModified": "2026-10-30T13:18:07.957",
"vulnStatus": "Modified",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb3: fix for slab out of bounds on mount to ksmbd\n\nWith KASAN enabled, it is possible to get a slab out of bounds\nduring mount to ksmbd due to missing check in parse_server_interfaces()\n(see below):\n\n BUG: KASAN: slab-out-of-bounds in\n parse_server_interfaces+0x14ee/0x1880 [cifs]\n Read of size 4 at addr ffff8881433dba98 by task mount/9827\n\n CPU: 5 UID: 0 PID: 9827 Comm: mount Tainted: G\n OE 6.16.0-rc2-kasan #2 PREEMPT(voluntary)\n Tainted: [O]=OOT_MODULE, [E]=UNSIGNED_MODULE\n Hardware name: Dell Inc. Precision Tower 3620/0MWYPT,\n BIOS 2.13.1 06/14/2019\n Call Trace:\n <TASK>\n dump_stack_lvl+0x9f/0xf0\n print_report+0xd1/0x670\n __virt_addr_valid+0x22c/0x430\n ? parse_server_interfaces+0x14ee/0x1880 [cifs]\n ? kasan_complete_mode_report_info+0x2a/0x1f0\n ? parse_server_interfaces+0x14ee/0x1880 [cifs]\n kasan_report+0xd6/0x110\n parse_server_interfaces+0x14ee/0x1880 [cifs]\n __asan_report_load_n_noabort+0x13/0x20\n parse_server_interfaces+0x14ee/0x1880 [cifs]\n ? __pfx_parse_server_interfaces+0x10/0x10 [cifs]\n ? trace_hardirqs_on+0x51/0x60\n SMB3_request_interfaces+0x1ad/0x3f0 [cifs]\n ? __pfx_SMB3_request_interfaces+0x10/0x10 [cifs]\n ? SMB2_tcon+0x23c/0x15d0 [cifs]\n smb3_qfs_tcon+0x173/0x2b0 [cifs]\n ? __pfx_smb3_qfs_tcon+0x10/0x10 [cifs]\n ? cifs_get_tcon+0x105d/0x2120 [cifs]\n ? do_raw_spin_unlock+0x5d/0x200\n ? cifs_get_tcon+0x105d/0x2120 [cifs]\n ? __pfx_smb3_qfs_tcon+0x10/0x10 [cifs]\n cifs_mount_get_tcon+0x369/0xb90 [cifs]\n ? dfs_cache_find+0xe7/0x150 [cifs]\n dfs_mount_share+0x985/0x2970 [cifs]\n ? check_path.constprop.0+0x28/0x50\n ? save_trace+0x54/0x370\n ? __pfx_dfs_mount_share+0x10/0x10 [cifs]\n ? __lock_acquire+0xb82/0x2ba0\n ? __kasan_check_write+0x18/0x20\n cifs_mount+0xbc/0x9e0 [cifs]\n ? __pfx_cifs_mount+0x10/0x10 [cifs]\n ? do_raw_spin_unlock+0x5d/0x200\n ? cifs_setup_cifs_sb+0x29d/0x810 [cifs]\n cifs_smb3_do_mount+0x263/0x1990 [cifs]"
},
{
"lang": "es",
"value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nsmb3: corrección para slab fuera de límites durante el montaje en ksmbd\n\nCon KASAN habilitado, es posible obtener un slab fuera de límites\ndurante el montaje en ksmbd debido a la falta de verificación en parse_server_interfaces()\n(ver abajo):\n\n BUG: KASAN: slab-out-of-bounds en\n parse_server_interfaces+0x14ee/0x1880 [cifs]\n Lectura de tamaño 4 en la dirección ffff8881433dba98 por la tarea mount/9827\n\n CPU: 5 UID: 0 PID: 9827 Comm: mount Tainted: G\n OE 6.16.0-rc2-kasan #2 PREEMPT(voluntary)\n Tainted: [O]=OOT_MODULE, [E]=UNSIGNED_MODULE\n Nombre de hardware: Dell Inc. Precision Tower 3620/0MWYPT,\n BIOS 2.13.1 06/14/2019\n Traza de Llamada:\n <TASK>\n dump_stack_lvl+0x9f/0xf0\n print_report+0xd1/0x670\n __virt_addr_valid+0x22c/0x430\n ? parse_server_interfaces+0x14ee/0x1880 [cifs]\n ? kasan_complete_mode_report_info+0x2a/0x1f0\n ? parse_server_interfaces+0x14ee/0x1880 [cifs]\n kasan_report+0xd6/0x110\n parse_server_interfaces+0x14ee/0x1880 [cifs]\n __asan_report_load_n_noabort+0x13/0x20\n parse_server_interfaces+0x14ee/0x1880 [cifs]\n ? __pfx_parse_server_interfaces+0x10/0x10 [cifs]\n ? trace_hardirqs_on+0x51/0x60\n SMB3_request_interfaces+0x1ad/0x3f0 [cifs]\n ? __pfx_SMB3_request_interfaces+0x10/0x10 [cifs]\n ? SMB2_tcon+0x23c/0x15d0 [cifs]\n smb3_qfs_tcon+0x173/0x2b0 [cifs]\n ? __pfx_smb3_qfs_tcon+0x10/0x10 [cifs]\n ? cifs_get_tcon+0x105d/0x2120 [cifs]\n ? do_raw_spin_unlock+0x5d/0x200\n ? cifs_get_tcon+0x105d/0x2120 [cifs]\n ? __pfx_smb3_qfs_tcon+0x10/0x10 [cifs]\n cifs_mount_get_tcon+0x369/0xb90 [cifs]\n ? dfs_cache_find+0xe7/0x150 [cifs]\n dfs_mount_share+0x985/0x2970 [cifs]\n ? check_path.constprop.0+0x28/0x50\n ? save_trace+0x54/0x370\n ? __pfx_dfs_mount_share+0x10/0x10 [cifs]\n ? __lock_acquire+0xb82/0x2ba0\n ? __kasan_check_write+0x18/0x20\n cifs_mount+0xbc/0x9e0 [cifs]\n ? __pfx_cifs_mount+0x10/0x10 [cifs]\n ? do_raw_spin_unlock+0x5d/0x200\n ? cifs_setup_cifs_sb+0x29d/0x810 [cifs]\n cifs_smb3_do_mount+0x263/0x1990 [cifs]"
}
],
"affected": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"affectedData": [
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "unaffected",
"programFiles": [
"fs/smb/client/smb2ops.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
"version": "fe856be475f7cf5ffcde57341d175ce9fd09434b",
"lessThan": "248c1142f09478d6cb8151510cbf4ac2673c8ac5",
"versionType": "git",
"status": "affected"
},
{
"version": "fe856be475f7cf5ffcde57341d175ce9fd09434b",
"lessThan": "9bdb8e98a0073c73ab3e6c631ec78877ceb64565",
"versionType": "git",
"status": "affected"
},
{
"version": "fe856be475f7cf5ffcde57341d175ce9fd09434b",
"lessThan": "a0620e1525663edd8c4594f49fb75fe5be4724b0",
"versionType": "git",
"status": "affected"
},
{
"version": "fe856be475f7cf5ffcde57341d175ce9fd09434b",
"lessThan": "8de33d4d72e8fae3502ec3850bd7b14e7c7328b6",
"versionType": "git",
"status": "affected"
},
{
"version": "fe856be475f7cf5ffcde57341d175ce9fd09434b",
"lessThan": "a542f93a123555d09c3ce8bc947f7b56ad8e6463",
"versionType": "git",
"status": "affected"
},
{
"version": "fe856be475f7cf5ffcde57341d175ce9fd09434b",
"lessThan": "f6eda5b0e8f8123564c5b34f5801d63243032eac",
"versionType": "git",
"status": "affected"
},
{
"version": "fe856be475f7cf5ffcde57341d175ce9fd09434b",
"lessThan": "7d34ec36abb84fdfb6632a0f2cbda90379ae21fc",
"versionType": "git",
"status": "affected"
}
]
},
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "affected",
"programFiles": [
"fs/smb/client/smb2ops.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
"version": "4.18",
"status": "affected"
},
{
"version": "0",
"lessThan": "4.18",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "5.15.224",
"lessThanOrEqual": "5.15.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.1.149",
"lessThanOrEqual": "6.1.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.6.103",
"lessThanOrEqual": "6.6.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.12.43",
"lessThanOrEqual": "6.12.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.15.11",
"lessThanOrEqual": "6.15.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.16.2",
"lessThanOrEqual": "6.16.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.17",
"lessThanOrEqual": "*",
"versionType": "original_commit_for_fix",
"status": "unaffected"
}
]
}
]
},
{
"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"affectedData": [
{
"vendor": "Siemens",
"product": "SIMATIC CN 4100",
"defaultStatus": "unknown",
"versions": [
{
"version": "0",
"lessThan": "V5.0",
"versionType": "custom",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
"baseScore": 9.1,
"baseSeverity": "CRITICAL",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 3.9,
"impactScore": 5.2
},
{
"source": "[email protected]",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 5.2
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-10-15T21:52:54.702361Z",
"id": "CVE-2025-38728",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-125"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.18.1",
"versionEndExcluding": "6.1.149",
"matchCriteriaId": "3A2B4825-A450-4C76-982A-FF51D62F7B4B"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.2",
"versionEndExcluding": "6.6.103",
"matchCriteriaId": "F2293654-7169-49B5-8D0D-EE51EF8B8E48"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.7",
"versionEndExcluding": "6.12.43",
"matchCriteriaId": "472C5F87-2BF3-4FAB-9B21-DA7513977363"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.13",
"versionEndExcluding": "6.15.11",
"matchCriteriaId": "BC242347-F722-43AE-B910-BE0B22386977"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.16",
"versionEndExcluding": "6.16.2",
"matchCriteriaId": "BD7C087D-2415-4521-B624-30003352F899"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:4.18:-:*:*:*:*:*:*",
"matchCriteriaId": "6AE7DC47-EAFA-42D5-BCF5-C7039EE3D771"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:4.18:rc2:*:*:*:*:*:*",
"matchCriteriaId": "81EBA79F-0ABF-4213-8BEF-9A927F9E24D4"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:4.18:rc3:*:*:*:*:*:*",
"matchCriteriaId": "364BE028-0C54-4254-9261-59D97C0EDC1F"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:4.18:rc4:*:*:*:*:*:*",
"matchCriteriaId": "C5CD0194-46B1-4CCC-9829-8ED014B77660"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:4.18:rc5:*:*:*:*:*:*",
"matchCriteriaId": "DB2B91AF-ACE1-4F6F-B2D0-9D4B7D8D20CE"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:4.18:rc6:*:*:*:*:*:*",
"matchCriteriaId": "30FBD992-DD41-441E-A6C7-D39DAC45DA34"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:4.18:rc7:*:*:*:*:*:*",
"matchCriteriaId": "10979D17-76B4-465F-A475-78680FBECEBD"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:4.18:rc8:*:*:*:*:*:*",
"matchCriteriaId": "56BF1EDD-3351-4E3E-AD42-54AF093ADB89"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:*",
"matchCriteriaId": "327D22EF-390B-454C-BD31-2ED23C998A1C"
}
]
}
]
},
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*",
"matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/248c1142f09478d6cb8151510cbf4ac2673c8ac5",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/7d34ec36abb84fdfb6632a0f2cbda90379ae21fc",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
},
{
"url": "https://git.kernel.org/stable/c/8de33d4d72e8fae3502ec3850bd7b14e7c7328b6",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
},
{
"url": "https://git.kernel.org/stable/c/9bdb8e98a0073c73ab3e6c631ec78877ceb64565",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
},
{
"url": "https://git.kernel.org/stable/c/a0620e1525663edd8c4594f49fb75fe5be4724b0",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
},
{
"url": "https://git.kernel.org/stable/c/a542f93a123555d09c3ce8bc947f7b56ad8e6463",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
},
{
"url": "https://git.kernel.org/stable/c/f6eda5b0e8f8123564c5b34f5801d63243032eac",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
},
{
"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html",
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
]
},
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-032379.html",
"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"
}
]
}