{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/ntfs3/xattr.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "6557c4504c5a1bbbbac25d14d7dcf2a4912d1508",
              "status": "affected",
              "version": "333feb7ba84f69f9b423422417aaac54fd9e7c84",
              "versionType": "git"
            },
            {
              "lessThan": "486666c2c2714788705d02d98d0332c8a2328575",
              "status": "affected",
              "version": "000a9a72efa4a9df289bab9c9e8ba1639c72e0d6",
              "versionType": "git"
            },
            {
              "lessThan": "1474098b590a426d90f27bb992f17c326e0b60c1",
              "status": "affected",
              "version": "0e8235d28f3a0e9eda9f02ff67ee566d5f42b66b",
              "versionType": "git"
            },
            {
              "lessThan": "c9db0ff04649aa0b45f497183c957fe260f229f6",
              "status": "affected",
              "version": "0e8235d28f3a0e9eda9f02ff67ee566d5f42b66b",
              "versionType": "git"
            },
            {
              "lessThan": "5.15.210",
              "status": "affected",
              "version": "5.15.121",
              "versionType": "semver"
            },
            {
              "lessThan": "6.1.176",
              "status": "affected",
              "version": "6.1.40",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/ntfs3/xattr.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.2"
            },
            {
              "lessThan": "6.2",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.210",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.176",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.4.*",
              "status": "unaffected",
              "version": "6.4.12",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.5",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.210",
                  "versionStartIncluding": "5.15.121",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.176",
                  "versionStartIncluding": "6.1.40",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.4.12",
                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.5",
                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: Return error for inconsistent extended attributes\n\nntfs_read_ea is called when we want to read extended attributes. There\nare some sanity checks for the validity of the EAs. However, it fails to\nreturn a proper error code for the inconsistent attributes, which might\nlead to unpredicted memory accesses after return.\n\n[  138.916927] BUG: KASAN: use-after-free in ntfs_set_ea+0x453/0xbf0\n[  138.923876] Write of size 4 at addr ffff88800205cfac by task poc/199\n[  138.931132]\n[  138.933016] CPU: 0 PID: 199 Comm: poc Not tainted 6.2.0-rc1+ #4\n[  138.938070] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014\n[  138.947327] Call Trace:\n[  138.949557]  \u003cTASK\u003e\n[  138.951539]  dump_stack_lvl+0x4d/0x67\n[  138.956834]  print_report+0x16f/0x4a6\n[  138.960798]  ? ntfs_set_ea+0x453/0xbf0\n[  138.964437]  ? kasan_complete_mode_report_info+0x7d/0x200\n[  138.969793]  ? ntfs_set_ea+0x453/0xbf0\n[  138.973523]  kasan_report+0xb8/0x140\n[  138.976740]  ? ntfs_set_ea+0x453/0xbf0\n[  138.980578]  __asan_store4+0x76/0xa0\n[  138.984669]  ntfs_set_ea+0x453/0xbf0\n[  138.988115]  ? __pfx_ntfs_set_ea+0x10/0x10\n[  138.993390]  ? kernel_text_address+0xd3/0xe0\n[  138.998270]  ? __kernel_text_address+0x16/0x50\n[  139.002121]  ? unwind_get_return_address+0x3e/0x60\n[  139.005659]  ? __pfx_stack_trace_consume_entry+0x10/0x10\n[  139.010177]  ? arch_stack_walk+0xa2/0x100\n[  139.013657]  ? filter_irq_stacks+0x27/0x80\n[  139.017018]  ntfs_setxattr+0x405/0x440\n[  139.022151]  ? __pfx_ntfs_setxattr+0x10/0x10\n[  139.026569]  ? kvmalloc_node+0x2d/0x120\n[  139.030329]  ? kasan_save_stack+0x41/0x60\n[  139.033883]  ? kasan_save_stack+0x2a/0x60\n[  139.037338]  ? kasan_set_track+0x29/0x40\n[  139.040163]  ? kasan_save_alloc_info+0x1f/0x30\n[  139.043588]  ? __kasan_kmalloc+0x8b/0xa0\n[  139.047255]  ? __kmalloc_node+0x68/0x150\n[  139.051264]  ? kvmalloc_node+0x2d/0x120\n[  139.055301]  ? vmemdup_user+0x2b/0xa0\n[  139.058584]  __vfs_setxattr+0x121/0x170\n[  139.062617]  ? __pfx___vfs_setxattr+0x10/0x10\n[  139.066282]  __vfs_setxattr_noperm+0x97/0x300\n[  139.070061]  __vfs_setxattr_locked+0x145/0x170\n[  139.073580]  vfs_setxattr+0x137/0x2a0\n[  139.076641]  ? __pfx_vfs_setxattr+0x10/0x10\n[  139.080223]  ? __kasan_check_write+0x18/0x20\n[  139.084234]  do_setxattr+0xce/0x150\n[  139.087768]  setxattr+0x126/0x140\n[  139.091250]  ? __pfx_setxattr+0x10/0x10\n[  139.094948]  ? __virt_addr_valid+0xcb/0x140\n[  139.097838]  ? __call_rcu_common.constprop.0+0x1c7/0x330\n[  139.102688]  ? debug_smp_processor_id+0x1b/0x30\n[  139.105985]  ? kasan_quarantine_put+0x5b/0x190\n[  139.109980]  ? putname+0x84/0xa0\n[  139.113886]  ? __kasan_slab_free+0x11e/0x1b0\n[  139.117961]  ? putname+0x84/0xa0\n[  139.121316]  ? preempt_count_sub+0x1c/0xd0\n[  139.124427]  ? __mnt_want_write+0xae/0x100\n[  139.127836]  ? mnt_want_write+0x8f/0x150\n[  139.130954]  path_setxattr+0x164/0x180\n[  139.133998]  ? __pfx_path_setxattr+0x10/0x10\n[  139.137853]  ? __pfx_ksys_pwrite64+0x10/0x10\n[  139.141299]  ? debug_smp_processor_id+0x1b/0x30\n[  139.145714]  ? fpregs_assert_state_consistent+0x6b/0x80\n[  139.150796]  __x64_sys_setxattr+0x71/0x90\n[  139.155407]  do_syscall_64+0x3f/0x90\n[  139.159035]  entry_SYSCALL_64_after_hwframe+0x72/0xdc\n[  139.163843] RIP: 0033:0x7f108cae4469\n[  139.166481] Code: 00 f3 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 088\n[  139.183764] RSP: 002b:00007fff87588388 EFLAGS: 00000286 ORIG_RAX: 00000000000000bc\n[  139.190657] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f108cae4469\n[  139.196586] RDX: 00007fff875883b0 RSI: 00007fff875883d1 RDI: 00007fff875883b6\n[  139.201716] RBP: 00007fff8758c530 R08: 0000000000000001 R09: 00007fff8758c618\n[  139.207940] R10: 0000000000000006 R11: 0000000000000286 R12: 00000000004004c0\n[  139.214007] R13: 00007fff8758c610 R14: 0000000000000000 R15\n---truncated---"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:L - The bug is reached through the local `setxattr(2)` syscall on a mounted ntfs3 volume (`path_setxattr` \u2192 `ntfs_setxattr` \u2192 `ntfs_set_ea`), requiring local system access. No network or remote protocol path exists into ntfs3 xattr handling.\nAC:L - The attacker fully controls both inputs \u2014 the on-disk `EA_INFO.size`/non-resident `ATTR_EA` layout that makes `ntfs_read_ea()` return 0 with a NULL buffer, and the `setxattr` name/value that determines the undersized `kzalloc(add)`. There is no race and no condition outside the attacker\u0027s control; the OOB write offset is deterministically chosen.\nPR:L - The `ntfs_other_xattr_handler` has an empty prefix, so a plain `user.*` xattr set by any unprivileged user on a file they own reaches `ntfs_set_ea()` with no capability check. Only an ordinary local account is needed once the crafted volume is mounted.\nUI:N - In the realistic deployment (kiosk, shared workstation, Android/embedded/automotive with udisks2 or a media daemon auto-mounting removable NTFS read-write), the attacker performs every step themselves \u2014 insert the media, then issue the syscall \u2014 with no distinct victim action required at exploitation time.\nS:U - The heap corruption occurs in kernel memory belonging to the same security authority as the vulnerable component; there is no VM, IOMMU, or sandbox boundary crossed.\nC:H - After the failed consistency check, `memcpy(p, ea_all, size)` / `ntfs_sb_write_run(..., ea_all, size, ...)` copies up to 64 KiB read out of bounds from a small `kzalloc` buffer into the file\u0027s EA, which the attacker reads back with `getxattr` \u2014 a direct, large kernel heap disclosure. The write primitive additionally enables arbitrary read via corrupted kernel structures.\nI:H - `new_ea = Add2Ptr(ea_all, size)` writes past the undersized allocation at an attacker-chosen offset (up to 64 KiB) with attacker-controlled content of attacker-controlled length, before any bounds check. This is a controlled heap out-of-bounds write suitable for corrupting adjacent slab objects and hijacking control flow.\nA:H - The bug reproduces as a KASAN use-after-free/out-of-bounds write that panics the kernel, and unconstrained slab corruption reliably crashes the system even when not exploited for escalation."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-05T09:17:26.458Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/6557c4504c5a1bbbbac25d14d7dcf2a4912d1508"
        },
        {
          "url": "https://git.kernel.org/stable/c/486666c2c2714788705d02d98d0332c8a2328575"
        },
        {
          "url": "https://git.kernel.org/stable/c/1474098b590a426d90f27bb992f17c326e0b60c1"
        },
        {
          "url": "https://git.kernel.org/stable/c/c9db0ff04649aa0b45f497183c957fe260f229f6"
        }
      ],
      "title": "fs/ntfs3: Return error for inconsistent extended attributes",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-54125",
    "datePublished": "2025-12-24T13:06:43.977Z",
    "dateReserved": "2025-12-24T13:02:52.521Z",
    "dateUpdated": "2026-08-05T09:17:26.458Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}