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CVE-2025-38222 (GCVE-0-2025-38222)

Vulnerability from cvelistv5 – Published: 2025-07-04 13:37 – Updated: 2026-07-14 12:41
VLAI
Title
ext4: inline: fix len overflow in ext4_prepare_inline_data
Summary
In the Linux kernel, the following vulnerability has been resolved: ext4: inline: fix len overflow in ext4_prepare_inline_data When running the following code on an ext4 filesystem with inline_data feature enabled, it will lead to the bug below. fd = open("file1", O_RDWR | O_CREAT | O_TRUNC, 0666); ftruncate(fd, 30); pwrite(fd, "a", 1, (1UL << 40) + 5UL); That happens because write_begin will succeed as when ext4_generic_write_inline_data calls ext4_prepare_inline_data, pos + len will be truncated, leading to ext4_prepare_inline_data parameter to be 6 instead of 0x10000000006. Then, later when write_end is called, we hit: BUG_ON(pos + len > EXT4_I(inode)->i_inline_size); at ext4_write_inline_data. Fix it by using a loff_t type for the len parameter in ext4_prepare_inline_data instead of an unsigned int. [ 44.545164] ------------[ cut here ]------------ [ 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 <0f> 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] <TASK> [ 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 <5b> 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 ---truncated---
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: f19d5870cbf72d4cb2a8e1f749dff97af99b071e , < d3dfc60efd145df5324b99a244b0b05505cde29b (git)
Affected: f19d5870cbf72d4cb2a8e1f749dff97af99b071e , < 717414a8c083c376d4a8940a1230fe0c6ed4ee00 (git)
Affected: f19d5870cbf72d4cb2a8e1f749dff97af99b071e , < 9d1d1c5bf4fc1af76be154d3afb2acdbd89ec7d8 (git)
Affected: f19d5870cbf72d4cb2a8e1f749dff97af99b071e , < cf5f319a2d8ab8238f8cf3a19463b9bff6420934 (git)
Affected: f19d5870cbf72d4cb2a8e1f749dff97af99b071e , < 26e09d18599da0adc543eabd300080daaeda6869 (git)
Affected: f19d5870cbf72d4cb2a8e1f749dff97af99b071e , < 5766da2237e539f259aa0e5f3639ae37b44ca458 (git)
Affected: f19d5870cbf72d4cb2a8e1f749dff97af99b071e , < e80ee0263d88d77f2fd1927f915003a7066cbb50 (git)
Affected: f19d5870cbf72d4cb2a8e1f749dff97af99b071e , < 227cb4ca5a6502164f850d22aec3104d7888b270 (git)
guessed Create a notification for this product.
Linux Linux Affected: 3.8
Unaffected: 0 , < 3.8 (semver)
Unaffected: 5.4.295 , ≤ 5.4.* (semver)
Unaffected: 5.10.239 , ≤ 5.10.* (semver)
Unaffected: 5.15.186 , ≤ 5.15.* (semver)
Unaffected: 6.1.142 , ≤ 6.1.* (semver)
Unaffected: 6.6.95 , ≤ 6.6.* (semver)
Unaffected: 6.12.35 , ≤ 6.12.* (semver)
Unaffected: 6.15.4 , ≤ 6.15.* (semver)
Unaffected: 6.16 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP Affected: V3.1.5 , < * (custom)
guessed Create a notification for this product.
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP Affected: V3.1.5 , < * (custom)
guessed Create a notification for this product.
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP Affected: V3.1.5 , < * (custom)
guessed Create a notification for this product.
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          "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 \u003c\u003c 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 \u003e EXT4_I(inode)-\u003ei_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 \u003c0f\u003e 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]  \u003cTASK\u003e\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 \u003c5b\u003e 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---"
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          "url": "https://git.kernel.org/stable/c/e80ee0263d88d77f2fd1927f915003a7066cbb50"
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        {
          "url": "https://git.kernel.org/stable/c/227cb4ca5a6502164f850d22aec3104d7888b270"
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      "title": "ext4: inline: fix len overflow in ext4_prepare_inline_data",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38222",
    "datePublished": "2025-07-04T13:37:37.879Z",
    "dateReserved": "2025-04-16T04:51:23.995Z",
    "dateUpdated": "2026-07-14T12:41:44.281Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
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      "cve": "CVE-2025-38222",
      "date": "2026-09-19",
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    "microsoft_vex": {
      "current_release_date": "2026-02-18T02:47:47.000Z",
      "cve": "CVE-2025-38222",
      "id": "msrc_CVE-2025-38222",
      "initial_release_date": "2025-07-02T00:00:00.000Z",
      "product_status:fixed": "1",
      "product_status:known_affected": "1",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "ext4: inline: fix len overflow in ext4_prepare_inline_data",
      "url": "https://msrc.microsoft.com/csaf/vex/2025/msrc_cve-2025-38222.json",
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        "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 \u003c\u003c 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 \u003e EXT4_I(inode)-\u003ei_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 \u003c0f\u003e 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]  \u003cTASK\u003e\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 \u003c5b\u003e 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 \u0026lt;\u0026lt; 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 \u0026gt; EXT4_I(inode)-\u0026gt;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 \u0026lt;0f\u0026gt; 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 \u0026lt;5b\u0026gt; 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": "2026-06-17T09:16:25.153",
        "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"
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            "url": "https://git.kernel.org/stable/c/227cb4ca5a6502164f850d22aec3104d7888b270"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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            "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"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-30T00:56:27+00:00",
      "cve": "CVE-2025-38222",
      "id": "CVE-2025-38222",
      "initial_release_date": "2025-07-04T00:00:00+00:00",
      "product_status:known_affected": "260",
      "product_status:known_not_affected": "14",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: ext4: inline: fix len overflow in ext4_prepare_inline_data",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-38222.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-11T02:01:34Z",
      "cve": "CVE-2025-38222",
      "id": "CVE-2025-38222",
      "initial_release_date": "2025-07-07T23:23:41Z",
      "product_status:first_fixed": "2",
      "product_status:known_affected": "785",
      "product_status:known_not_affected": "6",
      "product_status:recommended": "509",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2025-38222",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2025-38222.json",
      "version": "55"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.