fkie_cve-2021-47056
Vulnerability from fkie_nvd
Published
2024-02-29 23:15
Modified
2025-01-09 19:45
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: crypto: qat - ADF_STATUS_PF_RUNNING should be set after adf_dev_init ADF_STATUS_PF_RUNNING is (only) used and checked by adf_vf2pf_shutdown() before calling adf_iov_putmsg()->mutex_lock(vf2pf_lock), however the vf2pf_lock is initialized in adf_dev_init(), which can fail and when it fail, the vf2pf_lock is either not initialized or destroyed, a subsequent use of vf2pf_lock will cause issue. To fix this issue, only set this flag if adf_dev_init() returns 0. [ 7.178404] BUG: KASAN: user-memory-access in __mutex_lock.isra.0+0x1ac/0x7c0 [ 7.180345] Call Trace: [ 7.182576] mutex_lock+0xc9/0xd0 [ 7.183257] adf_iov_putmsg+0x118/0x1a0 [intel_qat] [ 7.183541] adf_vf2pf_shutdown+0x4d/0x7b [intel_qat] [ 7.183834] adf_dev_shutdown+0x172/0x2b0 [intel_qat] [ 7.184127] adf_probe+0x5e9/0x600 [qat_dh895xccvf]
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/05ec8192ee4bfdf2a8894a68350dac9f1a155fa6Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/09d16cee6285d37cc76311c29add6d97a7e4acdaPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1ea500ce6f7c9106e4a561d28e69215f3d451818Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1f50392650ae794a1aea41c213c6a3e1c824413cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/20fd40fc6f2c2b41dc6f637f88d494b14e9c21f1Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/446045cf682af12d9294765f6c46084b374b5654Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8609f5cfdc872fc3a462efa6a3eca5cb1e2f6446Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f4c4e07140687f42bfa40e091bb4a55d7960ce4dPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/05ec8192ee4bfdf2a8894a68350dac9f1a155fa6Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/09d16cee6285d37cc76311c29add6d97a7e4acdaPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/1ea500ce6f7c9106e4a561d28e69215f3d451818Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/1f50392650ae794a1aea41c213c6a3e1c824413cPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/20fd40fc6f2c2b41dc6f637f88d494b14e9c21f1Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/446045cf682af12d9294765f6c46084b374b5654Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/8609f5cfdc872fc3a462efa6a3eca5cb1e2f6446Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/f4c4e07140687f42bfa40e091bb4a55d7960ce4dPatch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
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          "negate": false,
          "operator": "OR"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: qat - ADF_STATUS_PF_RUNNING should be set after adf_dev_init\n\nADF_STATUS_PF_RUNNING is (only) used and checked by adf_vf2pf_shutdown()\nbefore calling adf_iov_putmsg()-\u003emutex_lock(vf2pf_lock), however the\nvf2pf_lock is initialized in adf_dev_init(), which can fail and when it\nfail, the vf2pf_lock is either not initialized or destroyed, a subsequent\nuse of vf2pf_lock will cause issue.\nTo fix this issue, only set this flag if adf_dev_init() returns 0.\n\n[    7.178404] BUG: KASAN: user-memory-access in __mutex_lock.isra.0+0x1ac/0x7c0\n[    7.180345] Call Trace:\n[    7.182576]  mutex_lock+0xc9/0xd0\n[    7.183257]  adf_iov_putmsg+0x118/0x1a0 [intel_qat]\n[    7.183541]  adf_vf2pf_shutdown+0x4d/0x7b [intel_qat]\n[    7.183834]  adf_dev_shutdown+0x172/0x2b0 [intel_qat]\n[    7.184127]  adf_probe+0x5e9/0x600 [qat_dh895xccvf]"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: crypto: qat - ADF_STATUS_PF_RUNNING debe configurarse despu\u00e9s de adf_dev_init ADF_STATUS_PF_RUNNING es (solo) usado y verificado por adf_vf2pf_shutdown() antes de llamar a adf_iov_putmsg()-\u0026gt;mutex_lock(vf2pf_lock), sin embargo, vf2pf_lock es inicializado en adf_dev_init(), que puede fallar y cuando falla, vf2pf_lock no se inicializa o se destruye, un uso posterior de vf2pf_lock causar\u00e1 problemas. Para solucionar este problema, establezca este indicador solo si adf_dev_init() devuelve 0. [7.178404] ERROR: KASAN: acceso a memoria de usuario en __mutex_lock.isra.0+0x1ac/0x7c0 [7.180345] Seguimiento de llamadas: [7.182576] mutex_lock+0xc9 /0xd0 [ 7.183257] adf_iov_putmsg+0x118/0x1a0 [intel_qat] [ 7.183541] adf_vf2pf_shutdown+0x4d/0x7b [intel_qat] [ 7.183834] adf_dev_shutdown+0x172/0x2b0 [intel_qat] [7.184127] adf_probe+0x5e9/0x600 [qat_dh895xccvf]"
    }
  ],
  "id": "CVE-2021-47056",
  "lastModified": "2025-01-09T19:45:48.107",
  "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"
      }
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  "published": "2024-02-29T23:15:07.530",
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  "vulnStatus": "Analyzed",
  "weaknesses": [
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          "lang": "en",
          "value": "CWE-908"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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