CVE-2021-47056 (GCVE-0-2021-47056)

Vulnerability from cvelistv5 – Published: 2024-02-29 22:37 – Updated: 2025-05-04 07:03
VLAI?
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]
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 25c6ffb249f612c56a48ce48a3887adf57b8f4bd , < f4c4e07140687f42bfa40e091bb4a55d7960ce4d (git)
Affected: 25c6ffb249f612c56a48ce48a3887adf57b8f4bd , < 446045cf682af12d9294765f6c46084b374b5654 (git)
Affected: 25c6ffb249f612c56a48ce48a3887adf57b8f4bd , < 09d16cee6285d37cc76311c29add6d97a7e4acda (git)
Affected: 25c6ffb249f612c56a48ce48a3887adf57b8f4bd , < 05ec8192ee4bfdf2a8894a68350dac9f1a155fa6 (git)
Affected: 25c6ffb249f612c56a48ce48a3887adf57b8f4bd , < 1f50392650ae794a1aea41c213c6a3e1c824413c (git)
Affected: 25c6ffb249f612c56a48ce48a3887adf57b8f4bd , < 20fd40fc6f2c2b41dc6f637f88d494b14e9c21f1 (git)
Affected: 25c6ffb249f612c56a48ce48a3887adf57b8f4bd , < 1ea500ce6f7c9106e4a561d28e69215f3d451818 (git)
Affected: 25c6ffb249f612c56a48ce48a3887adf57b8f4bd , < 8609f5cfdc872fc3a462efa6a3eca5cb1e2f6446 (git)
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    Linux Linux Affected: 4.7
Unaffected: 0 , < 4.7 (semver)
Unaffected: 4.9.269 , ≤ 4.9.* (semver)
Unaffected: 4.14.233 , ≤ 4.14.* (semver)
Unaffected: 4.19.191 , ≤ 4.19.* (semver)
Unaffected: 5.4.119 , ≤ 5.4.* (semver)
Unaffected: 5.10.37 , ≤ 5.10.* (semver)
Unaffected: 5.11.21 , ≤ 5.11.* (semver)
Unaffected: 5.12.4 , ≤ 5.12.* (semver)
Unaffected: 5.13 , ≤ * (original_commit_for_fix)
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      "id": "CVE-2021-47056",
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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 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ADF_STATUS_PF_RUNNING should be set after adf_dev_init\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"25c6ffb249f612c56a48ce48a3887adf57b8f4bd\", \"lessThan\": \"f4c4e07140687f42bfa40e091bb4a55d7960ce4d\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"25c6ffb249f612c56a48ce48a3887adf57b8f4bd\", \"lessThan\": \"446045cf682af12d9294765f6c46084b374b5654\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"25c6ffb249f612c56a48ce48a3887adf57b8f4bd\", \"lessThan\": \"09d16cee6285d37cc76311c29add6d97a7e4acda\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"25c6ffb249f612c56a48ce48a3887adf57b8f4bd\", \"lessThan\": \"05ec8192ee4bfdf2a8894a68350dac9f1a155fa6\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"25c6ffb249f612c56a48ce48a3887adf57b8f4bd\", \"lessThan\": \"1f50392650ae794a1aea41c213c6a3e1c824413c\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"25c6ffb249f612c56a48ce48a3887adf57b8f4bd\", \"lessThan\": \"20fd40fc6f2c2b41dc6f637f88d494b14e9c21f1\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"25c6ffb249f612c56a48ce48a3887adf57b8f4bd\", \"lessThan\": \"1ea500ce6f7c9106e4a561d28e69215f3d451818\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"25c6ffb249f612c56a48ce48a3887adf57b8f4bd\", \"lessThan\": \"8609f5cfdc872fc3a462efa6a3eca5cb1e2f6446\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/crypto/qat/qat_c3xxxvf/adf_drv.c\", \"drivers/crypto/qat/qat_c62xvf/adf_drv.c\", \"drivers/crypto/qat/qat_dh895xccvf/adf_drv.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.7\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.7\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"4.9.269\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.9.*\"}, {\"status\": \"unaffected\", \"version\": \"4.14.233\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.14.*\"}, {\"status\": \"unaffected\", \"version\": \"4.19.191\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.19.*\"}, {\"status\": \"unaffected\", \"version\": \"5.4.119\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.37\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.11.21\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.11.*\"}, {\"status\": \"unaffected\", \"version\": \"5.12.4\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.12.*\"}, {\"status\": \"unaffected\", \"version\": \"5.13\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/crypto/qat/qat_c3xxxvf/adf_drv.c\", \"drivers/crypto/qat/qat_c62xvf/adf_drv.c\", \"drivers/crypto/qat/qat_dh895xccvf/adf_drv.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/f4c4e07140687f42bfa40e091bb4a55d7960ce4d\"}, {\"url\": \"https://git.kernel.org/stable/c/446045cf682af12d9294765f6c46084b374b5654\"}, {\"url\": \"https://git.kernel.org/stable/c/09d16cee6285d37cc76311c29add6d97a7e4acda\"}, {\"url\": \"https://git.kernel.org/stable/c/05ec8192ee4bfdf2a8894a68350dac9f1a155fa6\"}, {\"url\": \"https://git.kernel.org/stable/c/1f50392650ae794a1aea41c213c6a3e1c824413c\"}, {\"url\": \"https://git.kernel.org/stable/c/20fd40fc6f2c2b41dc6f637f88d494b14e9c21f1\"}, {\"url\": \"https://git.kernel.org/stable/c/1ea500ce6f7c9106e4a561d28e69215f3d451818\"}, {\"url\": \"https://git.kernel.org/stable/c/8609f5cfdc872fc3a462efa6a3eca5cb1e2f6446\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"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]\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.9.269\", \"versionStartIncluding\": \"4.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.14.233\", \"versionStartIncluding\": \"4.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.191\", \"versionStartIncluding\": \"4.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.119\", \"versionStartIncluding\": \"4.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.37\", \"versionStartIncluding\": \"4.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.11.21\", \"versionStartIncluding\": \"4.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.12.4\", \"versionStartIncluding\": \"4.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.13\", \"versionStartIncluding\": \"4.7\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T07:03:18.175Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2021-47056\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-04T07:03:18.175Z\", \"dateReserved\": \"2024-02-29T22:33:44.294Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-02-29T22:37:31.086Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Sightings

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  • 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.