CVE-2022-49053 (GCVE-0-2022-49053)
Vulnerability from cvelistv5
Published
2025-02-26 01:54
Modified
2025-05-21 08:44
Severity ?
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: scsi: target: tcmu: Fix possible page UAF tcmu_try_get_data_page() looks up pages under cmdr_lock, but it does not take refcount properly and just returns page pointer. When tcmu_try_get_data_page() returns, the returned page may have been freed by tcmu_blocks_release(). We need to get_page() under cmdr_lock to avoid concurrent tcmu_blocks_release().
References
Impacted products
Vendor Product Version
Linux Linux Version: 141685a39151aea95eb56562d2953e919c6c73da
Version: 141685a39151aea95eb56562d2953e919c6c73da
Version: 141685a39151aea95eb56562d2953e919c6c73da
Version: 141685a39151aea95eb56562d2953e919c6c73da
Version: 141685a39151aea95eb56562d2953e919c6c73da
Version: 141685a39151aea95eb56562d2953e919c6c73da
Version: 141685a39151aea95eb56562d2953e919c6c73da
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    "vulnrichment": {
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When\\ntcmu_try_get_data_page() returns, the returned page may have been freed by\\ntcmu_blocks_release().\\n\\nWe need to get_page() under cmdr_lock to avoid concurrent\\ntcmu_blocks_release().\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.14.276\", \"versionStartIncluding\": \"4.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.239\", \"versionStartIncluding\": \"4.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.190\", \"versionStartIncluding\": \"4.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.112\", \"versionStartIncluding\": \"4.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.35\", \"versionStartIncluding\": \"4.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.17.4\", \"versionStartIncluding\": \"4.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.18\", \"versionStartIncluding\": \"4.12\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-21T08:44:03.988Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-49053\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-21T08:44:03.988Z\", \"dateReserved\": \"2025-02-26T01:49:39.242Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-02-26T01:54:26.806Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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