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

Vulnerability from cvelistv5 – Published: 2025-05-02 15:55 – Updated: 2025-05-04 12:50
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)
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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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{
  "containers": {
    "cna": {
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        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/scsi/device_handler/scsi_dh_alua.c"
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        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/scsi/device_handler/scsi_dh_alua.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "status": "affected",
              "version": "4.11"
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.14.*",
              "status": "unaffected",
              "version": "4.14.312",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.280",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.240",
              "versionType": "semver"
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              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.177",
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              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.22",
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              "lessThanOrEqual": "6.2.*",
              "status": "unaffected",
              "version": "6.2.9",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
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              "negate": false,
              "operator": "OR"
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      ],
      "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."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T12:50:18.916Z",
        "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"
        },
        {
          "url": "https://git.kernel.org/stable/c/5c4d71424df34fc23dc5336d09394ce68c849542"
        },
        {
          "url": "https://git.kernel.org/stable/c/c09cdf6eb815ee35e55d6c50ac7f63db58bd20b8"
        },
        {
          "url": "https://git.kernel.org/stable/c/9311e7a554dffd3823499e309a8b86a5cd1540e5"
        },
        {
          "url": "https://git.kernel.org/stable/c/1c55982beb80c7d3c30278fc6cfda8496a31dbe6"
        },
        {
          "url": "https://git.kernel.org/stable/c/0d89254a4320eb7de0970c478172f764125c6355"
        },
        {
          "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"
      }
    }
  },
  "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": "2025-05-04T12:50:18.916Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}


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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.
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  • 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.



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