CVE-2023-53078 (GCVE-0-2023-53078)

Vulnerability from cvelistv5 – Published: 2025-05-02 15:55 – Updated: 2026-05-23 15:27
VLAI
Title
scsi: scsi_dh_alua: Fix memleak for 'qdata' in alua_activate()
Summary
In the Linux kernel, the following vulnerability has been resolved: scsi: scsi_dh_alua: Fix memleak for 'qdata' in alua_activate() If alua_rtpg_queue() failed from alua_activate(), then 'qdata' is not freed, which will cause following memleak: unreferenced object 0xffff88810b2c6980 (size 32): comm "kworker/u16:2", pid 635322, jiffies 4355801099 (age 1216426.076s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 40 39 24 c1 ff ff ff ff 00 f8 ea 0a 81 88 ff ff @9$............. backtrace: [<0000000098f3a26d>] alua_activate+0xb0/0x320 [<000000003b529641>] scsi_dh_activate+0xb2/0x140 [<000000007b296db3>] activate_path_work+0xc6/0xe0 [dm_multipath] [<000000007adc9ace>] process_one_work+0x3c5/0x730 [<00000000c457a985>] worker_thread+0x93/0x650 [<00000000cb80e628>] kthread+0x1ba/0x210 [<00000000a1e61077>] ret_from_fork+0x22/0x30 Fix the problem by freeing 'qdata' in error path.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 625fe857e4fac6518716f3c0ff5e5deb8ec6d238 , < 123483df146492ca22b503ae6dacc2ce7c3a3974 (git)
Affected: 625fe857e4fac6518716f3c0ff5e5deb8ec6d238 , < c110051d335ef7f62ad33474b0c23997fee5bfb5 (git)
Affected: 625fe857e4fac6518716f3c0ff5e5deb8ec6d238 , < 5c4d71424df34fc23dc5336d09394ce68c849542 (git)
Affected: 625fe857e4fac6518716f3c0ff5e5deb8ec6d238 , < c09cdf6eb815ee35e55d6c50ac7f63db58bd20b8 (git)
Affected: 625fe857e4fac6518716f3c0ff5e5deb8ec6d238 , < 9311e7a554dffd3823499e309a8b86a5cd1540e5 (git)
Affected: 625fe857e4fac6518716f3c0ff5e5deb8ec6d238 , < 1c55982beb80c7d3c30278fc6cfda8496a31dbe6 (git)
Affected: 625fe857e4fac6518716f3c0ff5e5deb8ec6d238 , < 0d89254a4320eb7de0970c478172f764125c6355 (git)
Affected: 625fe857e4fac6518716f3c0ff5e5deb8ec6d238 , < a13faca032acbf2699293587085293bdfaafc8ae (git)
Affected: 68b275b7cbf065a8ea9b964cbb7d78d2b63c635f (git)
Affected: 2b1725d1df362499f6bbd5a7e245a4090b29c2bb (git)
Affected: 4.9.21 , < 4.10 (semver)
Affected: 4.10.9 , < 4.11 (semver)
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Linux Linux Affected: 4.11
Unaffected: 0 , < 4.11 (semver)
Unaffected: 4.14.312 , ≤ 4.14.* (semver)
Unaffected: 4.19.280 , ≤ 4.19.* (semver)
Unaffected: 5.4.240 , ≤ 5.4.* (semver)
Unaffected: 5.10.177 , ≤ 5.10.* (semver)
Unaffected: 5.15.105 , ≤ 5.15.* (semver)
Unaffected: 6.1.22 , ≤ 6.1.* (semver)
Unaffected: 6.2.9 , ≤ 6.2.* (semver)
Unaffected: 6.3 , ≤ * (original_commit_for_fix)
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{
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          "vendor": "Linux",
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        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: scsi_dh_alua: Fix memleak for \u0027qdata\u0027 in alua_activate()\n\nIf alua_rtpg_queue() failed from alua_activate(), then \u0027qdata\u0027 is not\nfreed, which will cause following memleak:\n\nunreferenced object 0xffff88810b2c6980 (size 32):\n  comm \"kworker/u16:2\", pid 635322, jiffies 4355801099 (age 1216426.076s)\n  hex dump (first 32 bytes):\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n    40 39 24 c1 ff ff ff ff 00 f8 ea 0a 81 88 ff ff  @9$.............\n  backtrace:\n    [\u003c0000000098f3a26d\u003e] alua_activate+0xb0/0x320\n    [\u003c000000003b529641\u003e] scsi_dh_activate+0xb2/0x140\n    [\u003c000000007b296db3\u003e] activate_path_work+0xc6/0xe0 [dm_multipath]\n    [\u003c000000007adc9ace\u003e] process_one_work+0x3c5/0x730\n    [\u003c00000000c457a985\u003e] worker_thread+0x93/0x650\n    [\u003c00000000cb80e628\u003e] kthread+0x1ba/0x210\n    [\u003c00000000a1e61077\u003e] ret_from_fork+0x22/0x30\n\nFix the problem by freeing \u0027qdata\u0027 in error path."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-23T15:27:55.120Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/123483df146492ca22b503ae6dacc2ce7c3a3974"
        },
        {
          "url": "https://git.kernel.org/stable/c/c110051d335ef7f62ad33474b0c23997fee5bfb5"
        },
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          "url": "https://git.kernel.org/stable/c/5c4d71424df34fc23dc5336d09394ce68c849542"
        },
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          "url": "https://git.kernel.org/stable/c/c09cdf6eb815ee35e55d6c50ac7f63db58bd20b8"
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        },
        {
          "url": "https://git.kernel.org/stable/c/a13faca032acbf2699293587085293bdfaafc8ae"
        }
      ],
      "title": "scsi: scsi_dh_alua: Fix memleak for \u0027qdata\u0027 in alua_activate()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53078",
    "datePublished": "2025-05-02T15:55:28.246Z",
    "dateReserved": "2025-05-02T15:51:43.549Z",
    "dateUpdated": "2026-05-23T15:27:55.120Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-53078",
      "date": "2026-05-25",
      "epss": "0.00063",
      "percentile": "0.1953"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-53078\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-02T16:15:26.820\",\"lastModified\":\"2025-11-12T20:49:25.560\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nscsi: scsi_dh_alua: Fix memleak for \u0027qdata\u0027 in alua_activate()\\n\\nIf alua_rtpg_queue() failed from alua_activate(), then \u0027qdata\u0027 is not\\nfreed, which will cause following memleak:\\n\\nunreferenced object 0xffff88810b2c6980 (size 32):\\n  comm \\\"kworker/u16:2\\\", pid 635322, jiffies 4355801099 (age 1216426.076s)\\n  hex dump (first 32 bytes):\\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\\n    40 39 24 c1 ff ff ff ff 00 f8 ea 0a 81 88 ff ff  @9$.............\\n  backtrace:\\n    [\u003c0000000098f3a26d\u003e] alua_activate+0xb0/0x320\\n    [\u003c000000003b529641\u003e] scsi_dh_activate+0xb2/0x140\\n    [\u003c000000007b296db3\u003e] activate_path_work+0xc6/0xe0 [dm_multipath]\\n    [\u003c000000007adc9ace\u003e] process_one_work+0x3c5/0x730\\n    [\u003c00000000c457a985\u003e] worker_thread+0x93/0x650\\n    [\u003c00000000cb80e628\u003e] kthread+0x1ba/0x210\\n    [\u003c00000000a1e61077\u003e] ret_from_fork+0x22/0x30\\n\\nFix the problem by freeing \u0027qdata\u0027 in error path.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: scsi: scsi_dh_alua: Se corrige la fuga de memoria para \u0027qdata\u0027 en alua_activate(). Si alua_rtpg_queue() falla desde alua_activate(), entonces \u0027qdata\u0027 no se libera, lo que causar\u00e1 la siguiente fuga de memoria: objeto sin referencia 0xffff88810b2c6980 (tama\u00f1o 32): comm \\\"kworker/u16:2\\\", pid 635322, jiffies 4355801099 (edad 1216426.076s) volcado hexadecimal (primeros 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 40 39 24 c1 ff ff ff ff 00 f8 ea 0a 81 88 ff ff @9$............. backtrace: [\u0026lt;0000000098f3a26d\u0026gt;] alua_activate+0xb0/0x320 [\u0026lt;000000003b529641\u0026gt;] scsi_dh_activate+0xb2/0x140 [\u0026lt;000000007b296db3\u0026gt;] activate_path_work+0xc6/0xe0 [dm_multipath] [\u0026lt;000000007adc9ace\u0026gt;] process_one_work+0x3c5/0x730 [\u0026lt;00000000c457a985\u0026gt;] worker_thread+0x93/0x650 [\u0026lt;00000000cb80e628\u0026gt;] kthread+0x1ba/0x210 [\u0026lt;00000000a1e61077\u0026gt;] ret_from_fork+0x22/0x30 Solucione el problema liberando \u0027qdata\u0027 en la ruta de error.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-401\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.9.21\",\"versionEndExcluding\":\"4.10\",\"matchCriteriaId\":\"229871C9-E27A-4502-AFDC-7C777C21AC22\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.10.9\",\"versionEndExcluding\":\"4.11\",\"matchCriteriaId\":\"A1D44092-A2CB-49EB-9E33-257AC7F9F3C4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.11.1\",\"versionEndExcluding\":\"4.14.312\",\"matchCriteriaId\":\"EBDB8DD9-108F-413D-A24A-A13F7A6855CF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.15\",\"versionEndExcluding\":\"4.19.280\",\"matchCriteriaId\":\"B8449DA5-0637-406C-99C3-84AF4CB5F3EB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.240\",\"matchCriteriaId\":\"2C5F51A3-AEBF-4E51-AA58-D8C8B4554A86\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.177\",\"matchCriteriaId\":\"9FED8369-E7A1-48C6-9700-6ADEDEC371F7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.105\",\"matchCriteriaId\":\"0888AE70-CB0A-45C0-B9BD-A5371244C8DB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.22\",\"matchCriteriaId\":\"642B6F99-95C6-47F5-A9B1-5C45FE08CAD0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.2.9\",\"matchCriteriaId\":\"914F22DD-1E6F-4B0A-A14D-3A9F068F6761\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:4.11:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"623D643F-123E-4D3E-8CBF-16BF845D734B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:4.11:rc5:*:*:*:*:*:*\",\"matchCriteriaId\":\"ACE2C8C3-F2AA-4A39-9D81-B0F8BB82B834\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:4.11:rc6:*:*:*:*:*:*\",\"matchCriteriaId\":\"D67BFFD0-1A52-4F5D-98DB-D94B58FD8D30\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:4.11:rc7:*:*:*:*:*:*\",\"matchCriteriaId\":\"7D996F38-22AC-4059-84FC-F7D69CE0CB9B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:4.11:rc8:*:*:*:*:*:*\",\"matchCriteriaId\":\"97EFF4F7-E5F9-4FAA-AD58-94A24501AD59\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.3:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"B8E3B0E8-FA27-4305-87BB-AF6C25B160CB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.3:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"A47F0FC3-CE52-4BA1-BA51-22F783938431\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.3:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"3583026A-27EC-4A4C-850A-83F2AF970673\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0d89254a4320eb7de0970c478172f764125c6355\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/123483df146492ca22b503ae6dacc2ce7c3a3974\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/1c55982beb80c7d3c30278fc6cfda8496a31dbe6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/5c4d71424df34fc23dc5336d09394ce68c849542\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/9311e7a554dffd3823499e309a8b86a5cd1540e5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a13faca032acbf2699293587085293bdfaafc8ae\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c09cdf6eb815ee35e55d6c50ac7f63db58bd20b8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c110051d335ef7f62ad33474b0c23997fee5bfb5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


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Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.