CVE-2022-50353 (GCVE-0-2022-50353)

Vulnerability from cvelistv5 – Published: 2025-09-17 14:56 – Updated: 2026-01-14 18:33
VLAI?
Title
mmc: wmt-sdmmc: fix return value check of mmc_add_host()
Summary
In the Linux kernel, the following vulnerability has been resolved: mmc: wmt-sdmmc: fix return value check of mmc_add_host() mmc_add_host() may return error, if we ignore its return value, the memory that allocated in mmc_alloc_host() will be leaked and it will lead a kernel crash because of deleting not added device in the remove path. So fix this by checking the return value and goto error path which will call mmc_free_host(), besides, clk_disable_unprepare() also needs be called.
Severity ?
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 3a96dff0f828ae9dfb43efd49a9b67a74c6dc360 , < 70b0620afab3c69d95a7e2dd7ceff162a21c4009 (git)
Affected: 3a96dff0f828ae9dfb43efd49a9b67a74c6dc360 , < ecd6f77af3478f5223aa4011642a891b7dc91228 (git)
Affected: 3a96dff0f828ae9dfb43efd49a9b67a74c6dc360 , < c7a328cea791cc2769b6417943939420913b4a46 (git)
Affected: 3a96dff0f828ae9dfb43efd49a9b67a74c6dc360 , < 9bedf64dda84b29151e41591d8ded9ff0e6d336a (git)
Affected: 3a96dff0f828ae9dfb43efd49a9b67a74c6dc360 , < 58c3a8d0f1abeb1ca5c2df948be58ad4f7bb6f67 (git)
Affected: 3a96dff0f828ae9dfb43efd49a9b67a74c6dc360 , < b40ac3b696a9c84b36211ef0c3f5a422650c101b (git)
Affected: 3a96dff0f828ae9dfb43efd49a9b67a74c6dc360 , < eb7a2d516d4fbd165c07877a20feccb047342b1f (git)
Affected: 3a96dff0f828ae9dfb43efd49a9b67a74c6dc360 , < 29276d56f6ed138db0f38cd31aedc0b725c8c76c (git)
Create a notification for this product.
    Linux Linux Affected: 3.8
Unaffected: 0 , < 3.8 (semver)
Unaffected: 4.14.303 , ≤ 4.14.* (semver)
Unaffected: 4.19.270 , ≤ 4.19.* (semver)
Unaffected: 5.4.229 , ≤ 5.4.* (semver)
Unaffected: 5.10.163 , ≤ 5.10.* (semver)
Unaffected: 5.15.86 , ≤ 5.15.* (semver)
Unaffected: 6.0.16 , ≤ 6.0.* (semver)
Unaffected: 6.1.2 , ≤ 6.1.* (semver)
Unaffected: 6.2 , ≤ * (original_commit_for_fix)
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\"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-01-14T18:31:14.408Z\"}}], \"cna\": {\"title\": \"mmc: wmt-sdmmc: fix return value check of mmc_add_host()\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"3a96dff0f828ae9dfb43efd49a9b67a74c6dc360\", \"lessThan\": \"70b0620afab3c69d95a7e2dd7ceff162a21c4009\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"3a96dff0f828ae9dfb43efd49a9b67a74c6dc360\", \"lessThan\": \"ecd6f77af3478f5223aa4011642a891b7dc91228\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"3a96dff0f828ae9dfb43efd49a9b67a74c6dc360\", \"lessThan\": \"c7a328cea791cc2769b6417943939420913b4a46\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"3a96dff0f828ae9dfb43efd49a9b67a74c6dc360\", \"lessThan\": \"9bedf64dda84b29151e41591d8ded9ff0e6d336a\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"3a96dff0f828ae9dfb43efd49a9b67a74c6dc360\", \"lessThan\": \"58c3a8d0f1abeb1ca5c2df948be58ad4f7bb6f67\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"3a96dff0f828ae9dfb43efd49a9b67a74c6dc360\", \"lessThan\": \"b40ac3b696a9c84b36211ef0c3f5a422650c101b\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"3a96dff0f828ae9dfb43efd49a9b67a74c6dc360\", \"lessThan\": \"eb7a2d516d4fbd165c07877a20feccb047342b1f\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"3a96dff0f828ae9dfb43efd49a9b67a74c6dc360\", \"lessThan\": \"29276d56f6ed138db0f38cd31aedc0b725c8c76c\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/mmc/host/wmt-sdmmc.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"3.8\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"3.8\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"4.14.303\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.14.*\"}, {\"status\": \"unaffected\", \"version\": \"4.19.270\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.19.*\"}, {\"status\": \"unaffected\", \"version\": \"5.4.229\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.163\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.86\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.0.16\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.0.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.2\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.2\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/mmc/host/wmt-sdmmc.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/70b0620afab3c69d95a7e2dd7ceff162a21c4009\"}, {\"url\": \"https://git.kernel.org/stable/c/ecd6f77af3478f5223aa4011642a891b7dc91228\"}, {\"url\": \"https://git.kernel.org/stable/c/c7a328cea791cc2769b6417943939420913b4a46\"}, {\"url\": \"https://git.kernel.org/stable/c/9bedf64dda84b29151e41591d8ded9ff0e6d336a\"}, {\"url\": \"https://git.kernel.org/stable/c/58c3a8d0f1abeb1ca5c2df948be58ad4f7bb6f67\"}, {\"url\": \"https://git.kernel.org/stable/c/b40ac3b696a9c84b36211ef0c3f5a422650c101b\"}, {\"url\": \"https://git.kernel.org/stable/c/eb7a2d516d4fbd165c07877a20feccb047342b1f\"}, {\"url\": \"https://git.kernel.org/stable/c/29276d56f6ed138db0f38cd31aedc0b725c8c76c\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmmc: wmt-sdmmc: fix return value check of mmc_add_host()\\n\\nmmc_add_host() may return error, if we ignore its return value, the memory\\nthat allocated in mmc_alloc_host() will be leaked and it will lead a kernel\\ncrash because of deleting not added device in the remove path.\\n\\nSo fix this by checking the return value and goto error path which will call\\nmmc_free_host(), besides, clk_disable_unprepare() also needs be called.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.14.303\", \"versionStartIncluding\": \"3.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.270\", \"versionStartIncluding\": \"3.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.229\", \"versionStartIncluding\": \"3.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.163\", \"versionStartIncluding\": \"3.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.86\", \"versionStartIncluding\": \"3.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.0.16\", \"versionStartIncluding\": \"3.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.2\", \"versionStartIncluding\": \"3.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.2\", \"versionStartIncluding\": \"3.8\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-09-17T14:56:06.761Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-50353\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-01-14T18:33:00.665Z\", \"dateReserved\": \"2025-09-16T16:03:27.882Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-09-17T14:56:06.761Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Sightings

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Nomenclature

  • 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.