CVE-2024-56692
Vulnerability from cvelistv5
Published
2024-12-28 09:46
Modified
2025-01-20 06:26
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on node blkaddr in truncate_node() syzbot reports a f2fs bug as below: ------------[ cut here ]------------ kernel BUG at fs/f2fs/segment.c:2534! RIP: 0010:f2fs_invalidate_blocks+0x35f/0x370 fs/f2fs/segment.c:2534 Call Trace: truncate_node+0x1ae/0x8c0 fs/f2fs/node.c:909 f2fs_remove_inode_page+0x5c2/0x870 fs/f2fs/node.c:1288 f2fs_evict_inode+0x879/0x15c0 fs/f2fs/inode.c:856 evict+0x4e8/0x9b0 fs/inode.c:723 f2fs_handle_failed_inode+0x271/0x2e0 fs/f2fs/inode.c:986 f2fs_create+0x357/0x530 fs/f2fs/namei.c:394 lookup_open fs/namei.c:3595 [inline] open_last_lookups fs/namei.c:3694 [inline] path_openat+0x1c03/0x3590 fs/namei.c:3930 do_filp_open+0x235/0x490 fs/namei.c:3960 do_sys_openat2+0x13e/0x1d0 fs/open.c:1415 do_sys_open fs/open.c:1430 [inline] __do_sys_openat fs/open.c:1446 [inline] __se_sys_openat fs/open.c:1441 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1441 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0010:f2fs_invalidate_blocks+0x35f/0x370 fs/f2fs/segment.c:2534 The root cause is: on a fuzzed image, blkaddr in nat entry may be corrupted, then it will cause system panic when using it in f2fs_invalidate_blocks(), to avoid this, let's add sanity check on nat blkaddr in truncate_node().
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0a5c8b3fbf6200f1c66062d307c9a52084917788Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/27d6e7eff07f8cce8e83b162d8f21a07458c860dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6babe00ccd34fc65b78ef8b99754e32b4385f23dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c1077078ce4589b5e5387f6b0aaa0d4534b9eb57Patch
Impacted products
Vendor Product Version
Linux Linux Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/f2fs/node.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "27d6e7eff07f8cce8e83b162d8f21a07458c860d",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "c1077078ce4589b5e5387f6b0aaa0d4534b9eb57",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "0a5c8b3fbf6200f1c66062d307c9a52084917788",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "6babe00ccd34fc65b78ef8b99754e32b4385f23d",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/f2fs/node.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.64",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.11.*",
              "status": "unaffected",
              "version": "6.11.11",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.13",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to do sanity check on node blkaddr in truncate_node()\n\nsyzbot reports a f2fs bug as below:\n\n------------[ cut here ]------------\nkernel BUG at fs/f2fs/segment.c:2534!\nRIP: 0010:f2fs_invalidate_blocks+0x35f/0x370 fs/f2fs/segment.c:2534\nCall Trace:\n truncate_node+0x1ae/0x8c0 fs/f2fs/node.c:909\n f2fs_remove_inode_page+0x5c2/0x870 fs/f2fs/node.c:1288\n f2fs_evict_inode+0x879/0x15c0 fs/f2fs/inode.c:856\n evict+0x4e8/0x9b0 fs/inode.c:723\n f2fs_handle_failed_inode+0x271/0x2e0 fs/f2fs/inode.c:986\n f2fs_create+0x357/0x530 fs/f2fs/namei.c:394\n lookup_open fs/namei.c:3595 [inline]\n open_last_lookups fs/namei.c:3694 [inline]\n path_openat+0x1c03/0x3590 fs/namei.c:3930\n do_filp_open+0x235/0x490 fs/namei.c:3960\n do_sys_openat2+0x13e/0x1d0 fs/open.c:1415\n do_sys_open fs/open.c:1430 [inline]\n __do_sys_openat fs/open.c:1446 [inline]\n __se_sys_openat fs/open.c:1441 [inline]\n __x64_sys_openat+0x247/0x2a0 fs/open.c:1441\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0010:f2fs_invalidate_blocks+0x35f/0x370 fs/f2fs/segment.c:2534\n\nThe root cause is: on a fuzzed image, blkaddr in nat entry may be\ncorrupted, then it will cause system panic when using it in\nf2fs_invalidate_blocks(), to avoid this, let\u0027s add sanity check on\nnat blkaddr in truncate_node()."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-01-20T06:26:18.880Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/27d6e7eff07f8cce8e83b162d8f21a07458c860d"
        },
        {
          "url": "https://git.kernel.org/stable/c/c1077078ce4589b5e5387f6b0aaa0d4534b9eb57"
        },
        {
          "url": "https://git.kernel.org/stable/c/0a5c8b3fbf6200f1c66062d307c9a52084917788"
        },
        {
          "url": "https://git.kernel.org/stable/c/6babe00ccd34fc65b78ef8b99754e32b4385f23d"
        }
      ],
      "title": "f2fs: fix to do sanity check on node blkaddr in truncate_node()",
      "x_generator": {
        "engine": "bippy-5f407fcff5a0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-56692",
    "datePublished": "2024-12-28T09:46:17.539Z",
    "dateReserved": "2024-12-27T15:00:39.849Z",
    "dateUpdated": "2025-01-20T06:26:18.880Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-56692\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-12-28T10:15:14.490\",\"lastModified\":\"2025-01-16T16:20:06.443\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nf2fs: fix to do sanity check on node blkaddr in truncate_node()\\n\\nsyzbot reports a f2fs bug as below:\\n\\n------------[ cut here ]------------\\nkernel BUG at fs/f2fs/segment.c:2534!\\nRIP: 0010:f2fs_invalidate_blocks+0x35f/0x370 fs/f2fs/segment.c:2534\\nCall Trace:\\n truncate_node+0x1ae/0x8c0 fs/f2fs/node.c:909\\n f2fs_remove_inode_page+0x5c2/0x870 fs/f2fs/node.c:1288\\n f2fs_evict_inode+0x879/0x15c0 fs/f2fs/inode.c:856\\n evict+0x4e8/0x9b0 fs/inode.c:723\\n f2fs_handle_failed_inode+0x271/0x2e0 fs/f2fs/inode.c:986\\n f2fs_create+0x357/0x530 fs/f2fs/namei.c:394\\n lookup_open fs/namei.c:3595 [inline]\\n open_last_lookups fs/namei.c:3694 [inline]\\n path_openat+0x1c03/0x3590 fs/namei.c:3930\\n do_filp_open+0x235/0x490 fs/namei.c:3960\\n do_sys_openat2+0x13e/0x1d0 fs/open.c:1415\\n do_sys_open fs/open.c:1430 [inline]\\n __do_sys_openat fs/open.c:1446 [inline]\\n __se_sys_openat fs/open.c:1441 [inline]\\n __x64_sys_openat+0x247/0x2a0 fs/open.c:1441\\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\\n do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83\\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\\nRIP: 0010:f2fs_invalidate_blocks+0x35f/0x370 fs/f2fs/segment.c:2534\\n\\nThe root cause is: on a fuzzed image, blkaddr in nat entry may be\\ncorrupted, then it will cause system panic when using it in\\nf2fs_invalidate_blocks(), to avoid this, let\u0027s add sanity check on\\nnat blkaddr in truncate_node().\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: f2fs: correcci\u00f3n para realizar una comprobaci\u00f3n de cordura en el nodo blkaddr en truncate_node() syzbot informa un error de f2fs como se muestra a continuaci\u00f3n: ------------[ cortar aqu\u00ed ]------------ \u00a1ERROR del kernel en fs/f2fs/segment.c:2534! RIP: 0010:f2fs_invalidate_blocks+0x35f/0x370 fs/f2fs/segment.c:2534 Seguimiento de llamadas: truncate_node+0x1ae/0x8c0 fs/f2fs/node.c:909 f2fs_remove_inode_page+0x5c2/0x870 fs/f2fs/node.c:1288 f2fs_evict_inode+0x879/0x15c0 fs/f2fs/inode.c:856 evict+0x4e8/0x9b0 fs/inode.c:723 f2fs_handle_failed_inode+0x271/0x2e0 fs/f2fs/inode.c:986 f2fs_create+0x357/0x530 fs/f2fs/namei.c:394 lookup_open fs/namei.c:3595 [en l\u00ednea] open_last_lookups fs/namei.c:3694 [en l\u00ednea] path_openat+0x1c03/0x3590 fs/namei.c:3930 do_filp_open+0x235/0x490 fs/namei.c:3960 do_sys_openat2+0x13e/0x1d0 fs/open.c:1415 do_sys_open fs/open.c:1430 [en l\u00ednea] __do_sys_openat fs/open.c:1446 [en l\u00ednea] __se_sys_openat fs/open.c:1441 [en l\u00ednea] __x64_sys_openat+0x247/0x2a0 fs/open.c:1441 do_syscall_x64 arch/x86/entry/common.c:52 [en l\u00ednea] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0010:f2fs_invalidate_blocks+0x35f/0x370 fs/f2fs/segment.c:2534 La causa ra\u00edz es: en una imagen con errores, blkaddr en la entrada nat puede estar da\u00f1ado, luego causar\u00e1 un p\u00e1nico del sistema al usarlo en f2fs_invalidate_blocks(), para evitar esto, agreguemos una verificaci\u00f3n de cordura en nat blkaddr en truncar_nodo().\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-754\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"6.6.64\",\"matchCriteriaId\":\"523573B1-32B0-4CEF-A666-DC2DA3D85104\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.11.11\",\"matchCriteriaId\":\"21434379-192D-472F-9B54-D45E3650E893\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.12\",\"versionEndExcluding\":\"6.12.2\",\"matchCriteriaId\":\"D8882B1B-2ABC-4838-AC1D-DBDBB5764776\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0a5c8b3fbf6200f1c66062d307c9a52084917788\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/27d6e7eff07f8cce8e83b162d8f21a07458c860d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6babe00ccd34fc65b78ef8b99754e32b4385f23d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c1077078ce4589b5e5387f6b0aaa0d4534b9eb57\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


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