fkie_cve-2024-50084
Vulnerability from fkie_nvd
Published
2024-10-29 01:15
Modified
2024-12-11 15:15
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: net: microchip: vcap api: Fix memory leaks in vcap_api_encode_rule_test() Commit a3c1e45156ad ("net: microchip: vcap: Fix use-after-free error in kunit test") fixed the use-after-free error, but introduced below memory leaks by removing necessary vcap_free_rule(), add it to fix it. unreferenced object 0xffffff80ca58b700 (size 192): comm "kunit_try_catch", pid 1215, jiffies 4294898264 hex dump (first 32 bytes): 00 12 7a 00 05 00 00 00 0a 00 00 00 64 00 00 00 ..z.........d... 00 00 00 00 00 00 00 00 00 04 0b cc 80 ff ff ff ................ backtrace (crc 9c09c3fe): [<0000000052a0be73>] kmemleak_alloc+0x34/0x40 [<0000000043605459>] __kmalloc_cache_noprof+0x26c/0x2f4 [<0000000040a01b8d>] vcap_alloc_rule+0x3cc/0x9c4 [<000000003fe86110>] vcap_api_encode_rule_test+0x1ac/0x16b0 [<00000000b3595fc4>] kunit_try_run_case+0x13c/0x3ac [<0000000010f5d2bf>] kunit_generic_run_threadfn_adapter+0x80/0xec [<00000000c5d82c9a>] kthread+0x2e8/0x374 [<00000000f4287308>] ret_from_fork+0x10/0x20 unreferenced object 0xffffff80cc0b0400 (size 64): comm "kunit_try_catch", pid 1215, jiffies 4294898265 hex dump (first 32 bytes): 80 04 0b cc 80 ff ff ff 18 b7 58 ca 80 ff ff ff ..........X..... 39 00 00 00 02 00 00 00 06 05 04 03 02 01 ff ff 9............... backtrace (crc daf014e9): [<0000000052a0be73>] kmemleak_alloc+0x34/0x40 [<0000000043605459>] __kmalloc_cache_noprof+0x26c/0x2f4 [<000000000ff63fd4>] vcap_rule_add_key+0x2cc/0x528 [<00000000dfdb1e81>] vcap_api_encode_rule_test+0x224/0x16b0 [<00000000b3595fc4>] kunit_try_run_case+0x13c/0x3ac [<0000000010f5d2bf>] kunit_generic_run_threadfn_adapter+0x80/0xec [<00000000c5d82c9a>] kthread+0x2e8/0x374 [<00000000f4287308>] ret_from_fork+0x10/0x20 unreferenced object 0xffffff80cc0b0700 (size 64): comm "kunit_try_catch", pid 1215, jiffies 4294898265 hex dump (first 32 bytes): 80 07 0b cc 80 ff ff ff 28 b7 58 ca 80 ff ff ff ........(.X..... 3c 00 00 00 00 00 00 00 01 2f 03 b3 ec ff ff ff <......../...... backtrace (crc 8d877792): [<0000000052a0be73>] kmemleak_alloc+0x34/0x40 [<0000000043605459>] __kmalloc_cache_noprof+0x26c/0x2f4 [<000000006eadfab7>] vcap_rule_add_action+0x2d0/0x52c [<00000000323475d1>] vcap_api_encode_rule_test+0x4d4/0x16b0 [<00000000b3595fc4>] kunit_try_run_case+0x13c/0x3ac [<0000000010f5d2bf>] kunit_generic_run_threadfn_adapter+0x80/0xec [<00000000c5d82c9a>] kthread+0x2e8/0x374 [<00000000f4287308>] ret_from_fork+0x10/0x20 unreferenced object 0xffffff80cc0b0900 (size 64): comm "kunit_try_catch", pid 1215, jiffies 4294898266 hex dump (first 32 bytes): 80 09 0b cc 80 ff ff ff 80 06 0b cc 80 ff ff ff ................ 7d 00 00 00 01 00 00 00 00 00 00 00 ff 00 00 00 }............... backtrace (crc 34181e56): [<0000000052a0be73>] kmemleak_alloc+0x34/0x40 [<0000000043605459>] __kmalloc_cache_noprof+0x26c/0x2f4 [<000000000ff63fd4>] vcap_rule_add_key+0x2cc/0x528 [<00000000991e3564>] vcap_val_rule+0xcf0/0x13e8 [<00000000fc9868e5>] vcap_api_encode_rule_test+0x678/0x16b0 [<00000000b3595fc4>] kunit_try_run_case+0x13c/0x3ac [<0000000010f5d2bf>] kunit_generic_run_threadfn_adapter+0x80/0xec [<00000000c5d82c9a>] kthread+0x2e8/0x374 [<00000000f4287308>] ret_from_fork+0x10/0x20 unreferenced object 0xffffff80cc0b0980 (size 64): comm "kunit_try_catch", pid 1215, jiffies 4294898266 hex dump (first 32 bytes): 18 b7 58 ca 80 ff ff ff 00 09 0b cc 80 ff ff ff ..X............. 67 00 00 00 00 00 00 00 01 01 74 88 c0 ff ff ff g.........t..... backtrace (crc 275fd9be): [<0000000052a0be73>] kmemleak_alloc+0x34/0x40 [<0000000043605459>] __kmalloc_cache_noprof+0x26c/0x2f4 [<000000000ff63fd4>] vcap_rule_add_key+0x2cc/0x528 [<000000001396a1a2>] test_add_de ---truncated---
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/170792097bb21e5da77443b6a03d35489813eabePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/20b5342de51bda794791e013b90754774003a515Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/217a3d98d1e9891a8b1438a27dfbc64ddf01f691Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.12
linux linux_kernel 6.12
linux linux_kernel 6.12


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "FD026C8A-6C8C-4930-8E05-51AFEE675460",
              "versionEndExcluding": "6.6.58",
              "versionStartIncluding": "6.6.51",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "20B10614-CE0D-494A-9FEA-F01A6985C9B7",
              "versionEndExcluding": "6.11",
              "versionStartIncluding": "6.10.10",
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            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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              "versionEndExcluding": "6.11.5",
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              "matchCriteriaId": "7F361E1D-580F-4A2D-A509-7615F73167A1",
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              "matchCriteriaId": "925478D0-3E3D-4E6F-ACD5-09F28D5DF82C",
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            {
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              "matchCriteriaId": "3C95E234-D335-4B6C-96BF-E2CEBD8654ED",
              "vulnerable": true
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          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: microchip: vcap api: Fix memory leaks in vcap_api_encode_rule_test()\n\nCommit a3c1e45156ad (\"net: microchip: vcap: Fix use-after-free error in\nkunit test\") fixed the use-after-free error, but introduced below\nmemory leaks by removing necessary vcap_free_rule(), add it to fix it.\n\n\tunreferenced object 0xffffff80ca58b700 (size 192):\n\t  comm \"kunit_try_catch\", pid 1215, jiffies 4294898264\n\t  hex dump (first 32 bytes):\n\t    00 12 7a 00 05 00 00 00 0a 00 00 00 64 00 00 00  ..z.........d...\n\t    00 00 00 00 00 00 00 00 00 04 0b cc 80 ff ff ff  ................\n\t  backtrace (crc 9c09c3fe):\n\t    [\u003c0000000052a0be73\u003e] kmemleak_alloc+0x34/0x40\n\t    [\u003c0000000043605459\u003e] __kmalloc_cache_noprof+0x26c/0x2f4\n\t    [\u003c0000000040a01b8d\u003e] vcap_alloc_rule+0x3cc/0x9c4\n\t    [\u003c000000003fe86110\u003e] vcap_api_encode_rule_test+0x1ac/0x16b0\n\t    [\u003c00000000b3595fc4\u003e] kunit_try_run_case+0x13c/0x3ac\n\t    [\u003c0000000010f5d2bf\u003e] kunit_generic_run_threadfn_adapter+0x80/0xec\n\t    [\u003c00000000c5d82c9a\u003e] kthread+0x2e8/0x374\n\t    [\u003c00000000f4287308\u003e] ret_from_fork+0x10/0x20\n\tunreferenced object 0xffffff80cc0b0400 (size 64):\n\t  comm \"kunit_try_catch\", pid 1215, jiffies 4294898265\n\t  hex dump (first 32 bytes):\n\t    80 04 0b cc 80 ff ff ff 18 b7 58 ca 80 ff ff ff  ..........X.....\n\t    39 00 00 00 02 00 00 00 06 05 04 03 02 01 ff ff  9...............\n\t  backtrace (crc daf014e9):\n\t    [\u003c0000000052a0be73\u003e] kmemleak_alloc+0x34/0x40\n\t    [\u003c0000000043605459\u003e] __kmalloc_cache_noprof+0x26c/0x2f4\n\t    [\u003c000000000ff63fd4\u003e] vcap_rule_add_key+0x2cc/0x528\n\t    [\u003c00000000dfdb1e81\u003e] vcap_api_encode_rule_test+0x224/0x16b0\n\t    [\u003c00000000b3595fc4\u003e] kunit_try_run_case+0x13c/0x3ac\n\t    [\u003c0000000010f5d2bf\u003e] kunit_generic_run_threadfn_adapter+0x80/0xec\n\t    [\u003c00000000c5d82c9a\u003e] kthread+0x2e8/0x374\n\t    [\u003c00000000f4287308\u003e] ret_from_fork+0x10/0x20\n\tunreferenced object 0xffffff80cc0b0700 (size 64):\n\t  comm \"kunit_try_catch\", pid 1215, jiffies 4294898265\n\t  hex dump (first 32 bytes):\n\t    80 07 0b cc 80 ff ff ff 28 b7 58 ca 80 ff ff ff  ........(.X.....\n\t    3c 00 00 00 00 00 00 00 01 2f 03 b3 ec ff ff ff  \u003c......../......\n\t  backtrace (crc 8d877792):\n\t    [\u003c0000000052a0be73\u003e] kmemleak_alloc+0x34/0x40\n\t    [\u003c0000000043605459\u003e] __kmalloc_cache_noprof+0x26c/0x2f4\n\t    [\u003c000000006eadfab7\u003e] vcap_rule_add_action+0x2d0/0x52c\n\t    [\u003c00000000323475d1\u003e] vcap_api_encode_rule_test+0x4d4/0x16b0\n\t    [\u003c00000000b3595fc4\u003e] kunit_try_run_case+0x13c/0x3ac\n\t    [\u003c0000000010f5d2bf\u003e] kunit_generic_run_threadfn_adapter+0x80/0xec\n\t    [\u003c00000000c5d82c9a\u003e] kthread+0x2e8/0x374\n\t    [\u003c00000000f4287308\u003e] ret_from_fork+0x10/0x20\n\tunreferenced object 0xffffff80cc0b0900 (size 64):\n\t  comm \"kunit_try_catch\", pid 1215, jiffies 4294898266\n\t  hex dump (first 32 bytes):\n\t    80 09 0b cc 80 ff ff ff 80 06 0b cc 80 ff ff ff  ................\n\t    7d 00 00 00 01 00 00 00 00 00 00 00 ff 00 00 00  }...............\n\t  backtrace (crc 34181e56):\n\t    [\u003c0000000052a0be73\u003e] kmemleak_alloc+0x34/0x40\n\t    [\u003c0000000043605459\u003e] __kmalloc_cache_noprof+0x26c/0x2f4\n\t    [\u003c000000000ff63fd4\u003e] vcap_rule_add_key+0x2cc/0x528\n\t    [\u003c00000000991e3564\u003e] vcap_val_rule+0xcf0/0x13e8\n\t    [\u003c00000000fc9868e5\u003e] vcap_api_encode_rule_test+0x678/0x16b0\n\t    [\u003c00000000b3595fc4\u003e] kunit_try_run_case+0x13c/0x3ac\n\t    [\u003c0000000010f5d2bf\u003e] kunit_generic_run_threadfn_adapter+0x80/0xec\n\t    [\u003c00000000c5d82c9a\u003e] kthread+0x2e8/0x374\n\t    [\u003c00000000f4287308\u003e] ret_from_fork+0x10/0x20\n\tunreferenced object 0xffffff80cc0b0980 (size 64):\n\t  comm \"kunit_try_catch\", pid 1215, jiffies 4294898266\n\t  hex dump (first 32 bytes):\n\t    18 b7 58 ca 80 ff ff ff 00 09 0b cc 80 ff ff ff  ..X.............\n\t    67 00 00 00 00 00 00 00 01 01 74 88 c0 ff ff ff  g.........t.....\n\t  backtrace (crc 275fd9be):\n\t    [\u003c0000000052a0be73\u003e] kmemleak_alloc+0x34/0x40\n\t    [\u003c0000000043605459\u003e] __kmalloc_cache_noprof+0x26c/0x2f4\n\t    [\u003c000000000ff63fd4\u003e] vcap_rule_add_key+0x2cc/0x528\n\t    [\u003c000000001396a1a2\u003e] test_add_de\n---truncated---"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: microchip: vcap api: Fix memory leaks in vcap_api_encode_rule_test() el commit a3c1e45156ad (\"net: microchip: vcap: Fix use-after-free error in kunit test\") corrigi\u00f3 el error use-after-free, pero introdujo las siguientes fugas de memoria al eliminar vcap_free_rule() necesario, agr\u00e9guelo para solucionarlo. objeto sin referencia 0xffffff80ca58b700 (tama\u00f1o 192): comm \"kunit_try_catch\", pid 1215, jiffies 4294898264 volcado hexadecimal (primeros 32 bytes): 00 12 7a 00 05 00 00 00 0a 00 00 00 64 00 00 00 ..z.........d... 00 00 00 00 00 00 00 00 00 04 0b cc 80 ff ff ff ................ backtrace (crc 9c09c3fe): [\u0026lt;0000000052a0be73\u0026gt;] kmemleak_alloc+0x34/0x40 [\u0026lt;0000000043605459\u0026gt;] __kmalloc_cache_noprof+0x26c/0x2f4 [\u0026lt;0000000040a01b8d\u0026gt;] vcap_alloc_rule+0x3cc/0x9c4 [\u0026lt;000000003fe86110\u0026gt;] vcap_api_encode_rule_test+0x1ac/0x16b0 [\u0026lt;00000000b3595fc4\u0026gt;] kunit_try_run_case+0x13c/0x3ac [\u0026lt;0000000010f5d2bf\u0026gt;] kunit_generic_run_threadfn_adapter+0x80/0xec [\u0026lt;00000000c5d82c9a\u0026gt;] kthread+0x2e8/0x374 [\u0026lt;00000000f4287308\u0026gt;] ret_from_fork+0x10/0x20 objeto sin referencia 0xffffff80cc0b0400 (tama\u00f1o 64): comm \"kunit_try_catch\", pid 1215, jiffies 4294898265 volcado hexadecimal (primeros 32 bytes): 80 04 0b cc 80 ff ff ff 18 b7 58 ca 80 ff ff ff ..........X..... 39 00 00 00 02 00 00 00 06 05 04 03 02 01 ff ff 9................ seguimiento inverso (crc daf014e9): [\u0026lt;0000000052a0be73\u0026gt;] kmemleak_alloc+0x34/0x40 [\u0026lt;0000000043605459\u0026gt;] __kmalloc_cache_noprof+0x26c/0x2f4 [\u0026lt;000000000ff63fd4\u0026gt;] vcap_rule_add_key+0x2cc/0x528 [\u0026lt;00000000dfdb1e81\u0026gt;] vcap_api_encode_rule_test+0x224/0x16b0 [\u0026lt;00000000b3595fc4\u0026gt;] kunit_try_run_case+0x13c/0x3ac [\u0026lt;0000000010f5d2bf\u0026gt;] kunit_generic_run_threadfn_adapter+0x80/0xec [\u0026lt;00000000c5d82c9a\u0026gt;] kthread+0x2e8/0x374 [\u0026lt;00000000f4287308\u0026gt;] ret_from_fork+0x10/0x20 objeto sin referencia 0xffffff80cc0b0700 (tama\u00f1o 64): comm \"kunit_try_catch\", pid 1215, jiffies 4294898265 volcado hexadecimal (primeros 32 bytes): 80 07 0b cc 80 ff ff ff 28 b7 58 ca 80 ff ff ff ........(.X..... 3c 00 00 00 00 00 00 00 01 2f 03 b3 ec ff ff ff \u0026lt;......../...... seguimiento inverso (crc 8d877792): [\u0026lt;0000000052a0be73\u0026gt;] kmemleak_alloc+0x34/0x40 [\u0026lt;0000000043605459\u0026gt;] __kmalloc_cache_noprof+0x26c/0x2f4 [\u0026lt;000000006eadfab7\u0026gt;] vcap_rule_add_action+0x2d0/0x52c [\u0026lt;00000000323475d1\u0026gt;] vcap_api_encode_rule_test+0x4d4/0x16b0 [\u0026lt;00000000b3595fc4\u0026gt;] kunit_try_run_case+0x13c/0x3ac [\u0026lt;0000000010f5d2bf\u0026gt;] kunit_generic_run_threadfn_adapter+0x80/0xec [\u0026lt;00000000c5d82c9a\u0026gt;] kthread+0x2e8/0x374 [\u0026lt;00000000f4287308\u0026gt;] ret_from_fork+0x10/0x20 objeto sin referencia 0xffffff80cc0b0900 (tama\u00f1o 64): comm \"kunit_try_catch\", pid 1215, jiffies 4294898266 volcado hexadecimal (primeros 32 bytes): 80 09 0b cc 80 ff ff ff 80 06 0b cc 80 ff ff ff ................ 7d 00 00 00 01 00 00 00 00 00 00 00 ff 00 00 00 }............... seguimiento inverso (crc 34181e56): [\u0026lt;0000000052a0be73\u0026gt;] kmemleak_alloc+0x34/0x40 [\u0026lt;0000000043605459\u0026gt;] __kmalloc_cache_noprof+0x26c/0x2f4 [\u0026lt;000000000ff63fd4\u0026gt;] vcap_rule_add_key+0x2cc/0x528 [\u0026lt;00000000991e3564\u0026gt;] vcap_val_rule+0xcf0/0x13e8 [\u0026lt;00000000fc9868e5\u0026gt;] vcap_api_encode_rule_test+0x678/0x16b0 [\u0026lt;00000000b3595fc4\u0026gt;] kunit_try_run_case+0x13c/0x3ac [\u0026lt;0000000010f5d2bf\u0026gt;] kunit_generic_run_threadfn_adapter+0x80/0xec [\u0026lt;00000000c5d82c9a\u0026gt;] kthread+0x2e8/0x374 [\u0026lt;00000000f4287308\u0026gt;] ret_from_fork+0x10/0x20 objeto sin referencia 0xffffff80cc0b0980 (tama\u00f1o 64): comm \"kunit_try_catch\", pid 1215, jiffies 4294898266 volcado hexadecimal (primeros 32 bytes): 18 b7 58 ca 80 ff ff ff 00 09 0b cc 80 y siguientes y siguientes y siguientes ..X............. 67 00 00 00 00 00 00 00 01 01 74 88 c0 y siguientes y siguientes y siguientes g.........t..... seguimiento inverso (crc 275fd9be): [\u0026lt;0000000052a0be73\u0026gt;] kmemleak_alloc+0x34/0x40 [\u0026lt;0000000043605459\u0026gt;] __kmalloc_cache_noprof+0x26c/0x2f4 [\u0026lt;000000000ff63fd4\u0026gt;] vcap_rule_add_key+0x2cc/0x528 [\u0026lt;0"
    }
  ],
  "id": "CVE-2024-50084",
  "lastModified": "2024-12-11T15:15:11.340",
  "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"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2024-10-29T01:15:05.327",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/170792097bb21e5da77443b6a03d35489813eabe"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/20b5342de51bda794791e013b90754774003a515"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/217a3d98d1e9891a8b1438a27dfbc64ddf01f691"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-401"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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