CVE-2022-49388 (GCVE-0-2022-49388)
Vulnerability from cvelistv5
Published
2025-02-26 02:11
Modified
2025-05-04 08:36
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: ubi: ubi_create_volume: Fix use-after-free when volume creation failed There is an use-after-free problem for 'eba_tbl' in ubi_create_volume()'s error handling path: ubi_eba_replace_table(vol, eba_tbl) vol->eba_tbl = tbl out_mapping: ubi_eba_destroy_table(eba_tbl) // Free 'eba_tbl' out_unlock: put_device(&vol->dev) vol_release kfree(tbl->entries) // UAF Fix it by removing redundant 'eba_tbl' releasing. Fetch a reproducer in [Link].
References
Impacted products
Vendor Product Version
Linux Linux Version: 493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec
Version: 493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec
Version: 493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec
Version: 493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec
Version: 493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec
Version: 493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec
Version: 493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec
Version: 493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec
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\"6d8d3f68cbecfd31925796f0fb668eb21ab06734\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec\", \"lessThan\": \"5ff2514e4fb55dcf3d88294686040ca73ea0c1a2\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec\", \"lessThan\": \"e27ecf325e51abd06aaefba57a6322a46fa4178b\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec\", \"lessThan\": \"1174ab8ba36a48025b68b5ff1085000b1e510217\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec\", \"lessThan\": \"8c03a1c21d72210f81cb369cc528e3fde4b45411\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/mtd/ubi/vmt.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.12\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.12\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"4.14.283\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.14.*\"}, {\"status\": \"unaffected\", \"version\": \"4.19.247\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.19.*\"}, {\"status\": \"unaffected\", \"version\": \"5.4.198\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.122\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.47\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"5.17.15\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.17.*\"}, {\"status\": \"unaffected\", \"version\": \"5.18.4\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.18.*\"}, {\"status\": \"unaffected\", \"version\": \"5.19\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/mtd/ubi/vmt.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/25ff1e3a1351c0d936dd1ac2f9e58231ea1510c9\"}, {\"url\": \"https://git.kernel.org/stable/c/abb67043060f2bf4c03d7c3debb9ae980e2b6db3\"}, {\"url\": \"https://git.kernel.org/stable/c/8302620aeb940f386817321d272b12411ae7d39f\"}, {\"url\": \"https://git.kernel.org/stable/c/6d8d3f68cbecfd31925796f0fb668eb21ab06734\"}, {\"url\": \"https://git.kernel.org/stable/c/5ff2514e4fb55dcf3d88294686040ca73ea0c1a2\"}, {\"url\": \"https://git.kernel.org/stable/c/e27ecf325e51abd06aaefba57a6322a46fa4178b\"}, {\"url\": \"https://git.kernel.org/stable/c/1174ab8ba36a48025b68b5ff1085000b1e510217\"}, {\"url\": \"https://git.kernel.org/stable/c/8c03a1c21d72210f81cb369cc528e3fde4b45411\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nubi: ubi_create_volume: Fix use-after-free when volume creation failed\\n\\nThere is an use-after-free problem for \u0027eba_tbl\u0027 in ubi_create_volume()\u0027s\\nerror handling path:\\n\\n  ubi_eba_replace_table(vol, eba_tbl)\\n    vol-\u003eeba_tbl = tbl\\nout_mapping:\\n  ubi_eba_destroy_table(eba_tbl)   // Free \u0027eba_tbl\u0027\\nout_unlock:\\n  put_device(\u0026vol-\u003edev)\\n    vol_release\\n      kfree(tbl-\u003eentries)\\t  // UAF\\n\\nFix it by removing redundant \u0027eba_tbl\u0027 releasing.\\nFetch a reproducer in [Link].\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.14.283\", \"versionStartIncluding\": \"4.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.247\", \"versionStartIncluding\": \"4.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.198\", \"versionStartIncluding\": \"4.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.122\", \"versionStartIncluding\": \"4.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.47\", \"versionStartIncluding\": \"4.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.17.15\", \"versionStartIncluding\": \"4.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.18.4\", \"versionStartIncluding\": \"4.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.19\", \"versionStartIncluding\": \"4.12\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T08:36:37.085Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-49388\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-04T08:36:37.085Z\", \"dateReserved\": \"2025-02-26T02:08:31.561Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-02-26T02:11:22.326Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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