{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-38222", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:23.995Z", "datePublished": "2025-07-04T13:37:37.879Z", "dateUpdated": "2026-05-12T12:04:40.912Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:23:35.885Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: inline: fix len overflow in ext4_prepare_inline_data\n\nWhen running the following code on an ext4 filesystem with inline_data\nfeature enabled, it will lead to the bug below.\n\n fd = open(\"file1\", O_RDWR | O_CREAT | O_TRUNC, 0666);\n ftruncate(fd, 30);\n pwrite(fd, \"a\", 1, (1UL << 40) + 5UL);\n\nThat happens because write_begin will succeed as when\next4_generic_write_inline_data calls ext4_prepare_inline_data, pos + len\nwill be truncated, leading to ext4_prepare_inline_data parameter to be 6\ninstead of 0x10000000006.\n\nThen, later when write_end is called, we hit:\n\n BUG_ON(pos + len > EXT4_I(inode)->i_inline_size);\n\nat ext4_write_inline_data.\n\nFix it by using a loff_t type for the len parameter in\next4_prepare_inline_data instead of an unsigned int.\n\n[ 44.545164] ------------[ cut here ]------------\n[ 44.545530] kernel BUG at fs/ext4/inline.c:240!\n[ 44.545834] Oops: invalid opcode: 0000 [#1] SMP NOPTI\n[ 44.546172] CPU: 3 UID: 0 PID: 343 Comm: test Not tainted 6.15.0-rc2-00003-g9080916f4863 #45 PREEMPT(full) 112853fcebfdb93254270a7959841d2c6aa2c8bb\n[ 44.546523] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\n[ 44.546523] RIP: 0010:ext4_write_inline_data+0xfe/0x100\n[ 44.546523] Code: 3c 0e 48 83 c7 48 48 89 de 5b 41 5c 41 5d 41 5e 41 5f 5d e9 e4 fa 43 01 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 0f 0b <0f> 0b 0f 1f 44 00 00 55 41 57 41 56 41 55 41 54 53 48 83 ec 20 49\n[ 44.546523] RSP: 0018:ffffb342008b79a8 EFLAGS: 00010216\n[ 44.546523] RAX: 0000000000000001 RBX: ffff9329c579c000 RCX: 0000010000000006\n[ 44.546523] RDX: 000000000000003c RSI: ffffb342008b79f0 RDI: ffff9329c158e738\n[ 44.546523] RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000\n[ 44.546523] R10: 00007ffffffff000 R11: ffffffff9bd0d910 R12: 0000006210000000\n[ 44.546523] R13: fffffc7e4015e700 R14: 0000010000000005 R15: ffff9329c158e738\n[ 44.546523] FS: 00007f4299934740(0000) GS:ffff932a60179000(0000) knlGS:0000000000000000\n[ 44.546523] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 44.546523] CR2: 00007f4299a1ec90 CR3: 0000000002886002 CR4: 0000000000770eb0\n[ 44.546523] PKRU: 55555554\n[ 44.546523] Call Trace:\n[ 44.546523] <TASK>\n[ 44.546523] ext4_write_inline_data_end+0x126/0x2d0\n[ 44.546523] generic_perform_write+0x17e/0x270\n[ 44.546523] ext4_buffered_write_iter+0xc8/0x170\n[ 44.546523] vfs_write+0x2be/0x3e0\n[ 44.546523] __x64_sys_pwrite64+0x6d/0xc0\n[ 44.546523] do_syscall_64+0x6a/0xf0\n[ 44.546523] ? __wake_up+0x89/0xb0\n[ 44.546523] ? xas_find+0x72/0x1c0\n[ 44.546523] ? next_uptodate_folio+0x317/0x330\n[ 44.546523] ? set_pte_range+0x1a6/0x270\n[ 44.546523] ? filemap_map_pages+0x6ee/0x840\n[ 44.546523] ? ext4_setattr+0x2fa/0x750\n[ 44.546523] ? do_pte_missing+0x128/0xf70\n[ 44.546523] ? security_inode_post_setattr+0x3e/0xd0\n[ 44.546523] ? ___pte_offset_map+0x19/0x100\n[ 44.546523] ? handle_mm_fault+0x721/0xa10\n[ 44.546523] ? do_user_addr_fault+0x197/0x730\n[ 44.546523] ? do_syscall_64+0x76/0xf0\n[ 44.546523] ? arch_exit_to_user_mode_prepare+0x1e/0x60\n[ 44.546523] ? irqentry_exit_to_user_mode+0x79/0x90\n[ 44.546523] entry_SYSCALL_64_after_hwframe+0x55/0x5d\n[ 44.546523] RIP: 0033:0x7f42999c6687\n[ 44.546523] Code: 48 89 fa 4c 89 df e8 58 b3 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff\n[ 44.546523] RSP: 002b:00007ffeae4a7930 EFLAGS: 00000202 ORIG_RAX: 0000000000000012\n[ 44.546523] RAX: ffffffffffffffda RBX: 00007f4299934740 RCX: 00007f42999c6687\n[ 44.546523] RDX: 0000000000000001 RSI: 000055ea6149200f RDI: 0000000000000003\n[ 44.546523] RBP: 00007ffeae4a79a0 R08: 0000000000000000 R09: 0000000000000000\n[ 44.546523] R10: 0000010000000005 R11: 0000000000000202 R12: 0000\n---truncated---"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/ext4/inline.c"], "versions": [{"version": "f19d5870cbf72d4cb2a8e1f749dff97af99b071e", "lessThan": "d3dfc60efd145df5324b99a244b0b05505cde29b", "status": "affected", "versionType": "git"}, {"version": "f19d5870cbf72d4cb2a8e1f749dff97af99b071e", "lessThan": "717414a8c083c376d4a8940a1230fe0c6ed4ee00", "status": "affected", "versionType": "git"}, {"version": "f19d5870cbf72d4cb2a8e1f749dff97af99b071e", "lessThan": "9d1d1c5bf4fc1af76be154d3afb2acdbd89ec7d8", "status": "affected", "versionType": "git"}, {"version": "f19d5870cbf72d4cb2a8e1f749dff97af99b071e", "lessThan": "cf5f319a2d8ab8238f8cf3a19463b9bff6420934", "status": "affected", "versionType": "git"}, {"version": "f19d5870cbf72d4cb2a8e1f749dff97af99b071e", "lessThan": "26e09d18599da0adc543eabd300080daaeda6869", "status": "affected", "versionType": "git"}, {"version": "f19d5870cbf72d4cb2a8e1f749dff97af99b071e", "lessThan": "5766da2237e539f259aa0e5f3639ae37b44ca458", "status": "affected", "versionType": "git"}, {"version": "f19d5870cbf72d4cb2a8e1f749dff97af99b071e", "lessThan": "e80ee0263d88d77f2fd1927f915003a7066cbb50", "status": "affected", "versionType": "git"}, {"version": "f19d5870cbf72d4cb2a8e1f749dff97af99b071e", "lessThan": "227cb4ca5a6502164f850d22aec3104d7888b270", "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/ext4/inline.c"], "versions": [{"version": "3.8", "status": "affected"}, {"version": "0", "lessThan": "3.8", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.295", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.239", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.186", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.142", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.95", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.35", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.15.4", "lessThanOrEqual": "6.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.16", "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": "3.8", "versionEndExcluding": "5.4.295"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.8", "versionEndExcluding": "5.10.239"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.8", "versionEndExcluding": "5.15.186"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.8", "versionEndExcluding": "6.1.142"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.8", "versionEndExcluding": "6.6.95"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.8", "versionEndExcluding": "6.12.35"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.8", "versionEndExcluding": "6.15.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.8", "versionEndExcluding": "6.16"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/d3dfc60efd145df5324b99a244b0b05505cde29b"}, {"url": "https://git.kernel.org/stable/c/717414a8c083c376d4a8940a1230fe0c6ed4ee00"}, {"url": "https://git.kernel.org/stable/c/9d1d1c5bf4fc1af76be154d3afb2acdbd89ec7d8"}, {"url": "https://git.kernel.org/stable/c/cf5f319a2d8ab8238f8cf3a19463b9bff6420934"}, {"url": "https://git.kernel.org/stable/c/26e09d18599da0adc543eabd300080daaeda6869"}, {"url": "https://git.kernel.org/stable/c/5766da2237e539f259aa0e5f3639ae37b44ca458"}, {"url": "https://git.kernel.org/stable/c/e80ee0263d88d77f2fd1927f915003a7066cbb50"}, {"url": "https://git.kernel.org/stable/c/227cb4ca5a6502164f850d22aec3104d7888b270"}], "title": "ext4: inline: fix len overflow in ext4_prepare_inline_data", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T17:35:40.178Z"}}, {"x_adpType": "supplier", "providerMetadata": {"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "shortName": "siemens-SADP", "dateUpdated": "2026-05-12T12:04:40.912Z"}, "affected": [{"vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP", "versions": [{"status": "affected", "version": "V3.1.5", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP", "versions": [{"status": "affected", "version": "V3.1.5", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP", "versions": [{"status": "affected", "version": "V3.1.5", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP", "versions": [{"status": "affected", "version": "V3.1.5", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP", "versions": [{"status": "affected", "version": "V3.1.5", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}], "references": [{"url": "https://cert-portal.siemens.com/productcert/html/ssa-082556.html"}]}]}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "25A1061F-208B-4EE7-9E76-15A7C1933114", "versionEndExcluding": "5.4.295", "versionStartIncluding": "3.8", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C3D14F4C-A21E-465D-A928-5CCE684E2B98", "versionEndExcluding": "5.10.239", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D96F2C0D-0D4A-4658-AD34-D8A626EA422D", "versionEndExcluding": "5.15.186", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "459B4E94-FE0E-434D-B782-95E3A5FFC6B1", "versionEndExcluding": "6.1.142", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C5E01853-7048-4D78-9479-9AEE41AC8456", "versionEndExcluding": "6.6.95", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E569FD34-0076-4428-BE17-EECCF867611C", "versionEndExcluding": "6.12.35", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "DFD174C5-1AA2-4671-BDDC-1A9FCC753655", "versionEndExcluding": "6.15.4", "versionStartIncluding": "6.13", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: inline: fix len overflow in ext4_prepare_inline_data\n\nWhen running the following code on an ext4 filesystem with inline_data\nfeature enabled, it will lead to the bug below.\n\n fd = open(\"file1\", O_RDWR | O_CREAT | O_TRUNC, 0666);\n ftruncate(fd, 30);\n pwrite(fd, \"a\", 1, (1UL << 40) + 5UL);\n\nThat happens because write_begin will succeed as when\next4_generic_write_inline_data calls ext4_prepare_inline_data, pos + len\nwill be truncated, leading to ext4_prepare_inline_data parameter to be 6\ninstead of 0x10000000006.\n\nThen, later when write_end is called, we hit:\n\n BUG_ON(pos + len > EXT4_I(inode)->i_inline_size);\n\nat ext4_write_inline_data.\n\nFix it by using a loff_t type for the len parameter in\next4_prepare_inline_data instead of an unsigned int.\n\n[ 44.545164] ------------[ cut here ]------------\n[ 44.545530] kernel BUG at fs/ext4/inline.c:240!\n[ 44.545834] Oops: invalid opcode: 0000 [#1] SMP NOPTI\n[ 44.546172] CPU: 3 UID: 0 PID: 343 Comm: test Not tainted 6.15.0-rc2-00003-g9080916f4863 #45 PREEMPT(full) 112853fcebfdb93254270a7959841d2c6aa2c8bb\n[ 44.546523] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\n[ 44.546523] RIP: 0010:ext4_write_inline_data+0xfe/0x100\n[ 44.546523] Code: 3c 0e 48 83 c7 48 48 89 de 5b 41 5c 41 5d 41 5e 41 5f 5d e9 e4 fa 43 01 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 0f 0b <0f> 0b 0f 1f 44 00 00 55 41 57 41 56 41 55 41 54 53 48 83 ec 20 49\n[ 44.546523] RSP: 0018:ffffb342008b79a8 EFLAGS: 00010216\n[ 44.546523] RAX: 0000000000000001 RBX: ffff9329c579c000 RCX: 0000010000000006\n[ 44.546523] RDX: 000000000000003c RSI: ffffb342008b79f0 RDI: ffff9329c158e738\n[ 44.546523] RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000\n[ 44.546523] R10: 00007ffffffff000 R11: ffffffff9bd0d910 R12: 0000006210000000\n[ 44.546523] R13: fffffc7e4015e700 R14: 0000010000000005 R15: ffff9329c158e738\n[ 44.546523] FS: 00007f4299934740(0000) GS:ffff932a60179000(0000) knlGS:0000000000000000\n[ 44.546523] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 44.546523] CR2: 00007f4299a1ec90 CR3: 0000000002886002 CR4: 0000000000770eb0\n[ 44.546523] PKRU: 55555554\n[ 44.546523] Call Trace:\n[ 44.546523] <TASK>\n[ 44.546523] ext4_write_inline_data_end+0x126/0x2d0\n[ 44.546523] generic_perform_write+0x17e/0x270\n[ 44.546523] ext4_buffered_write_iter+0xc8/0x170\n[ 44.546523] vfs_write+0x2be/0x3e0\n[ 44.546523] __x64_sys_pwrite64+0x6d/0xc0\n[ 44.546523] do_syscall_64+0x6a/0xf0\n[ 44.546523] ? __wake_up+0x89/0xb0\n[ 44.546523] ? xas_find+0x72/0x1c0\n[ 44.546523] ? next_uptodate_folio+0x317/0x330\n[ 44.546523] ? set_pte_range+0x1a6/0x270\n[ 44.546523] ? filemap_map_pages+0x6ee/0x840\n[ 44.546523] ? ext4_setattr+0x2fa/0x750\n[ 44.546523] ? do_pte_missing+0x128/0xf70\n[ 44.546523] ? security_inode_post_setattr+0x3e/0xd0\n[ 44.546523] ? ___pte_offset_map+0x19/0x100\n[ 44.546523] ? handle_mm_fault+0x721/0xa10\n[ 44.546523] ? do_user_addr_fault+0x197/0x730\n[ 44.546523] ? do_syscall_64+0x76/0xf0\n[ 44.546523] ? arch_exit_to_user_mode_prepare+0x1e/0x60\n[ 44.546523] ? irqentry_exit_to_user_mode+0x79/0x90\n[ 44.546523] entry_SYSCALL_64_after_hwframe+0x55/0x5d\n[ 44.546523] RIP: 0033:0x7f42999c6687\n[ 44.546523] Code: 48 89 fa 4c 89 df e8 58 b3 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff\n[ 44.546523] RSP: 002b:00007ffeae4a7930 EFLAGS: 00000202 ORIG_RAX: 0000000000000012\n[ 44.546523] RAX: ffffffffffffffda RBX: 00007f4299934740 RCX: 00007f42999c6687\n[ 44.546523] RDX: 0000000000000001 RSI: 000055ea6149200f RDI: 0000000000000003\n[ 44.546523] RBP: 00007ffeae4a79a0 R08: 0000000000000000 R09: 0000000000000000\n[ 44.546523] R10: 0000010000000005 R11: 0000000000000202 R12: 0000\n---truncated---"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ext4: inline: corregir desbordamiento de len en ext4_prepare_inline_data Al ejecutar el siguiente c\u00f3digo en un sistema de archivos ext4 con la funci\u00f3n inline_data habilitada, se producir\u00e1 el siguiente error. fd = open(\"file1\", O_RDWR | O_CREAT | O_TRUNC, 0666); ftruncate(fd, 30); pwrite(fd, \"a\", 1, (1UL &lt;&lt; 40) + 5UL); Esto sucede porque write_begin tendr\u00e1 \u00e9xito, ya que cuando ext4_generic_write_inline_data llama a ext4_prepare_inline_data, pos + len se truncar\u00e1, lo que har\u00e1 que el par\u00e1metro ext4_prepare_inline_data sea 6 en lugar de 0x10000000006. Luego, al llamar a write_end, encontramos: BUG_ON(pos + len &gt; EXT4_I(inode)-&gt;i_inline_size); en ext4_write_inline_data. Se soluciona usando un tipo loff_t para el par\u00e1metro len en ext4_prepare_inline_data en lugar de un entero sin signo. [ 44.545164] ------------[ corte aqu\u00ed ]------------ [ 44.545530] kernel BUG at fs/ext4/inline.c:240! [ 44.545834] Oops: invalid opcode: 0000 [#1] SMP NOPTI [ 44.546172] CPU: 3 UID: 0 PID: 343 Comm: test Not tainted 6.15.0-rc2-00003-g9080916f4863 #45 PREEMPT(full) 112853fcebfdb93254270a7959841d2c6aa2c8bb [ 44.546523] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 44.546523] RIP: 0010:ext4_write_inline_data+0xfe/0x100 [ 44.546523] Code: 3c 0e 48 83 c7 48 48 89 de 5b 41 5c 41 5d 41 5e 41 5f 5d e9 e4 fa 43 01 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 0f 0b &lt;0f&gt; 0b 0f 1f 44 00 00 55 41 57 41 56 41 55 41 54 53 48 83 ec 20 49 [ 44.546523] RSP: 0018:ffffb342008b79a8 EFLAGS: 00010216 [ 44.546523] RAX: 0000000000000001 RBX: ffff9329c579c000 RCX: 0000010000000006 [ 44.546523] RDX: 000000000000003c RSI: ffffb342008b79f0 RDI: ffff9329c158e738 [ 44.546523] RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 [ 44.546523] R10: 00007ffffffff000 R11: ffffffff9bd0d910 R12: 0000006210000000 [ 44.546523] R13: fffffc7e4015e700 R14: 0000010000000005 R15: ffff9329c158e738 [ 44.546523] FS: 00007f4299934740(0000) GS:ffff932a60179000(0000) knlGS:0000000000000000 [ 44.546523] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.546523] CR2: 00007f4299a1ec90 CR3: 0000000002886002 CR4: 0000000000770eb0 [ 44.546523] PKRU: 55555554 [ 44.546523] Call Trace: [ 44.546523] [ 44.546523] ext4_write_inline_data_end+0x126/0x2d0 [ 44.546523] generic_perform_write+0x17e/0x270 [ 44.546523] ext4_buffered_write_iter+0xc8/0x170 [ 44.546523] vfs_write+0x2be/0x3e0 [ 44.546523] __x64_sys_pwrite64+0x6d/0xc0 [ 44.546523] do_syscall_64+0x6a/0xf0 [ 44.546523] ? __wake_up+0x89/0xb0 [ 44.546523] ? xas_find+0x72/0x1c0 [ 44.546523] ? next_uptodate_folio+0x317/0x330 [ 44.546523] ? set_pte_range+0x1a6/0x270 [ 44.546523] ? filemap_map_pages+0x6ee/0x840 [ 44.546523] ? ext4_setattr+0x2fa/0x750 [ 44.546523] ? do_pte_missing+0x128/0xf70 [ 44.546523] ? security_inode_post_setattr+0x3e/0xd0 [ 44.546523] ? ___pte_offset_map+0x19/0x100 [ 44.546523] ? handle_mm_fault+0x721/0xa10 [ 44.546523] ? do_user_addr_fault+0x197/0x730 [ 44.546523] ? do_syscall_64+0x76/0xf0 [ 44.546523] ? arch_exit_to_user_mode_prepare+0x1e/0x60 [ 44.546523] ? irqentry_exit_to_user_mode+0x79/0x90 [ 44.546523] entry_SYSCALL_64_after_hwframe+0x55/0x5d [ 44.546523] RIP: 0033:0x7f42999c6687 [ 44.546523] Code: 48 89 fa 4c 89 df e8 58 b3 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 &lt;5b&gt; c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 44.546523] RSP: 002b:00007ffeae4a7930 EFLAGS: 00000202 ORIG_RAX: 0000000000000012 [ 44.546523] RAX: ffffffffffffffda RBX: 00007f4299934740 RCX: 00007f42999c6687 [ 44.546523] RDX: 0000000000000001 RSI: 000055ea6149200f RDI: 0000000000000003 [ 44.546523] RBP: 00007ffeae4a79a0 R08: 0000000000000000 R09: 0000000000000000 [ 44.546523] R10: 0000010000000005 R11: 0000000000000202 R12: 0000 ---truncado---"}], "id": "CVE-2025-38222", "lastModified": "2026-05-12T13:16:44.973", "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": "2025-07-04T14:15:30.850", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/227cb4ca5a6502164f850d22aec3104d7888b270"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/26e09d18599da0adc543eabd300080daaeda6869"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5766da2237e539f259aa0e5f3639ae37b44ca458"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/717414a8c083c376d4a8940a1230fe0c6ed4ee00"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9d1d1c5bf4fc1af76be154d3afb2acdbd89ec7d8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cf5f319a2d8ab8238f8cf3a19463b9bff6420934"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d3dfc60efd145df5324b99a244b0b05505cde29b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e80ee0263d88d77f2fd1927f915003a7066cbb50"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-082556.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: ext4: inline: fix len overflow in ext4_prepare_inline_data", "id": "2376374", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2376374"}, "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:\next4: inline: fix len overflow in ext4_prepare_inline_data\nWhen running the following code on an ext4 filesystem with inline_data\nfeature enabled, it will lead to the bug below.\nfd = open(\"file1\", O_RDWR | O_CREAT | O_TRUNC, 0666);\nftruncate(fd, 30);\npwrite(fd, \"a\", 1, (1UL << 40) + 5UL);\nThat happens because write_begin will succeed as when\next4_generic_write_inline_data calls ext4_prepare_inline_data, pos + len\nwill be truncated, leading to ext4_prepare_inline_data parameter to be 6\ninstead of 0x10000000006.\nThen, later when write_end is called, we hit:\nBUG_ON(pos + len > EXT4_I(inode)->i_inline_size);\nat ext4_write_inline_data.\nFix it by using a loff_t type for the len parameter in\next4_prepare_inline_data instead of an unsigned int.\n[ 44.545164] ------------[ cut here ]------------\n[ 44.545530] kernel BUG at fs/ext4/inline.c:240!\n[ 44.545834] Oops: invalid opcode: 0000 [#1] SMP NOPTI\n[ 44.546172] CPU: 3 UID: 0 PID: 343 Comm: test Not tainted 6.15.0-rc2-00003-g9080916f4863 #45 PREEMPT(full) 112853fcebfdb93254270a7959841d2c6aa2c8bb\n[ 44.546523] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\n[ 44.546523] RIP: 0010:ext4_write_inline_data+0xfe/0x100\n[ 44.546523] Code: 3c 0e 48 83 c7 48 48 89 de 5b 41 5c 41 5d 41 5e 41 5f 5d e9 e4 fa 43 01 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 0f 0b <0f> 0b 0f 1f 44 00 00 55 41 57 41 56 41 55 41 54 53 48 83 ec 20 49\n[ 44.546523] RSP: 0018:ffffb342008b79a8 EFLAGS: 00010216\n[ 44.546523] RAX: 0000000000000001 RBX: ffff9329c579c000 RCX: 0000010000000006\n[ 44.546523] RDX: 000000000000003c RSI: ffffb342008b79f0 RDI: ffff9329c158e738\n[ 44.546523] RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000\n[ 44.546523] R10: 00007ffffffff000 R11: ffffffff9bd0d910 R12: 0000006210000000\n[ 44.546523] R13: fffffc7e4015e700 R14: 0000010000000005 R15: ffff9329c158e738\n[ 44.546523] FS: 00007f4299934740(0000) GS:ffff932a60179000(0000) knlGS:0000000000000000\n[ 44.546523] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 44.546523] CR2: 00007f4299a1ec90 CR3: 0000000002886002 CR4: 0000000000770eb0\n[ 44.546523] PKRU: 55555554\n[ 44.546523] Call Trace:\n[ 44.546523] <TASK>\n[ 44.546523] ext4_write_inline_data_end+0x126/0x2d0\n[ 44.546523] generic_perform_write+0x17e/0x270\n[ 44.546523] ext4_buffered_write_iter+0xc8/0x170\n[ 44.546523] vfs_write+0x2be/0x3e0\n[ 44.546523] __x64_sys_pwrite64+0x6d/0xc0\n[ 44.546523] do_syscall_64+0x6a/0xf0\n[ 44.546523] ? __wake_up+0x89/0xb0\n[ 44.546523] ? xas_find+0x72/0x1c0\n[ 44.546523] ? next_uptodate_folio+0x317/0x330\n[ 44.546523] ? set_pte_range+0x1a6/0x270\n[ 44.546523] ? filemap_map_pages+0x6ee/0x840\n[ 44.546523] ? ext4_setattr+0x2fa/0x750\n[ 44.546523] ? do_pte_missing+0x128/0xf70\n[ 44.546523] ? security_inode_post_setattr+0x3e/0xd0\n[ 44.546523] ? ___pte_offset_map+0x19/0x100\n[ 44.546523] ? handle_mm_fault+0x721/0xa10\n[ 44.546523] ? do_user_addr_fault+0x197/0x730\n[ 44.546523] ? do_syscall_64+0x76/0xf0\n[ 44.546523] ? arch_exit_to_user_mode_prepare+0x1e/0x60\n[ 44.546523] ? irqentry_exit_to_user_mode+0x79/0x90\n[ 44.546523] entry_SYSCALL_64_after_hwframe+0x55/0x5d\n[ 44.546523] RIP: 0033:0x7f42999c6687\n[ 44.546523] Code: 48 89 fa 4c 89 df e8 58 b3 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff\n[ 44.546523] RSP: 002b:00007ffeae4a7930 EFLAGS: 00000202 ORIG_RAX: 0000000000000012\n[ 44.546523] RAX: ffffffffffffffda RBX: 00007f4299934740 RCX: 00007f42999c6687\n[ 44.546523] RDX: 0000000000000001 RSI: 000055ea6149200f RDI: 0000000000000003\n[ 44.546523] RBP: 00007ffeae4a79a0 R08: 0000000000000000 R09: 0000000000000000\n[ 44.546523] R10: 0000010000000005 R11: 0000000000000202 R12: 0000\n---truncated---"], "name": "CVE-2025-38222", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-07-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38222\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38222\nhttps://lore.kernel.org/linux-cve-announce/2025070426-CVE-2025-38222-3cfe@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-13T21:47:33.738576+00:00", "updated": "2025-07-13T21:47:33.738634+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}