Vulnerability-Lookup

GHSA-PM73-PR98-FPFG

Vulnerability from github – Published: 2026-02-04 18:30 – Updated: 2026-02-06 18:30

Details

In the Linux kernel, the following vulnerability has been resolved:

scsi: xen: scsiback: Fix potential memory leak in scsiback_remove()

Memory allocated for struct vscsiblk_info in scsiback_probe() is not freed in scsiback_remove() leading to potential memory leaks on remove, as well as in the scsiback_probe() error paths. Fix that by freeing it in scsiback_remove().

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{
  "affected": [],
  "aliases": [
    "CVE-2026-23087"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-02-04T17:16:19Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: xen: scsiback: Fix potential memory leak in scsiback_remove()\n\nMemory allocated for struct vscsiblk_info in scsiback_probe() is not\nfreed in scsiback_remove() leading to potential memory leaks on remove,\nas well as in the scsiback_probe() error paths. Fix that by freeing it\nin scsiback_remove().",
  "id": "GHSA-pm73-pr98-fpfg",
  "modified": "2026-02-06T18:30:30Z",
  "published": "2026-02-04T18:30:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-23087"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/24c441f0e24da175d7912095663f526ac480dc4f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/32e52b56056daf0f0881fd9254706acf25b4be97"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/427b0fb30ddec3bad05dcd73b00718f98c7026d2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4a975c72429b050c234405668b742cdecc11548e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/901a5f309daba412e2a30364d7ec1492fa11c32c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a8bb3ec8d85951a56af0a72d93ccbc2aee42eef9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f86264ec0e2b102fcd49bf3e4f32fee669d482fc"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-23087 (GCVE-0-2026-23087)

Vulnerability from cvelistv5 – Published: 2026-02-04 16:08 – Updated: 2026-02-06 16:33

Title

scsi: xen: scsiback: Fix potential memory leak in scsiback_remove()

Summary

In the Linux kernel, the following vulnerability has been resolved: scsi: xen: scsiback: Fix potential memory leak in scsiback_remove() Memory allocated for struct vscsiblk_info in scsiback_probe() is not freed in scsiback_remove() leading to potential memory leaks on remove, as well as in the scsiback_probe() error paths. Fix that by freeing it in scsiback_remove().

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/a8bb3ec8d85951a56…
	https://git.kernel.org/stable/c/427b0fb30ddec3bad…
	https://git.kernel.org/stable/c/4a975c72429b050c2…
	https://git.kernel.org/stable/c/f86264ec0e2b102fc…
	https://git.kernel.org/stable/c/32e52b56056daf0f0…
	https://git.kernel.org/stable/c/24c441f0e24da175d…
	https://git.kernel.org/stable/c/901a5f309daba412e…

Impacted products

Vendor

Product

Version

Linux

Affected: d9d660f6e562a47b4065eeb7e538910b0471b988 , < a8bb3ec8d85951a56af0a72d93ccbc2aee42eef9 (git)
Affected: d9d660f6e562a47b4065eeb7e538910b0471b988 , < 427b0fb30ddec3bad05dcd73b00718f98c7026d2 (git)
Affected: d9d660f6e562a47b4065eeb7e538910b0471b988 , < 4a975c72429b050c234405668b742cdecc11548e (git)
Affected: d9d660f6e562a47b4065eeb7e538910b0471b988 , < f86264ec0e2b102fcd49bf3e4f32fee669d482fc (git)
Affected: d9d660f6e562a47b4065eeb7e538910b0471b988 , < 32e52b56056daf0f0881fd9254706acf25b4be97 (git)
Affected: d9d660f6e562a47b4065eeb7e538910b0471b988 , < 24c441f0e24da175d7912095663f526ac480dc4f (git)
Affected: d9d660f6e562a47b4065eeb7e538910b0471b988 , < 901a5f309daba412e2a30364d7ec1492fa11c32c (git)

Linux

Affected: 3.18
Unaffected: 0 , < 3.18 (semver)
Unaffected: 5.10.249 , ≤ 5.10.* (semver)
Unaffected: 5.15.199 , ≤ 5.15.* (semver)
Unaffected: 6.1.162 , ≤ 6.1.* (semver)
Unaffected: 6.6.122 , ≤ 6.6.* (semver)
Unaffected: 6.12.68 , ≤ 6.12.* (semver)
Unaffected: 6.18.8 , ≤ 6.18.* (semver)
Unaffected: 6.19-rc7 , ≤ * (original_commit_for_fix)

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JSON

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/xen/xen-scsiback.c"
          ],
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          "vendor": "Linux",
          "versions": [
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              "versionType": "git"
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            {
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              "versionType": "git"
            },
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              "versionType": "git"
            },
            {
              "lessThan": "24c441f0e24da175d7912095663f526ac480dc4f",
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              "versionType": "git"
            },
            {
              "lessThan": "901a5f309daba412e2a30364d7ec1492fa11c32c",
              "status": "affected",
              "version": "d9d660f6e562a47b4065eeb7e538910b0471b988",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.18"
            },
            {
              "lessThan": "3.18",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.249",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.199",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.162",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.122",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.68",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.8",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.19-rc7",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.249",
                  "versionStartIncluding": "3.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.199",
                  "versionStartIncluding": "3.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.162",
                  "versionStartIncluding": "3.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                }
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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: xen: scsiback: Fix potential memory leak in scsiback_remove()\n\nMemory allocated for struct vscsiblk_info in scsiback_probe() is not\nfreed in scsiback_remove() leading to potential memory leaks on remove,\nas well as in the scsiback_probe() error paths. Fix that by freeing it\nin scsiback_remove()."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-06T16:33:08.886Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/a8bb3ec8d85951a56af0a72d93ccbc2aee42eef9"
        },
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          "url": "https://git.kernel.org/stable/c/427b0fb30ddec3bad05dcd73b00718f98c7026d2"
        },
        {
          "url": "https://git.kernel.org/stable/c/4a975c72429b050c234405668b742cdecc11548e"
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        },
        {
          "url": "https://git.kernel.org/stable/c/901a5f309daba412e2a30364d7ec1492fa11c32c"
        }
      ],
      "title": "scsi: xen: scsiback: Fix potential memory leak in scsiback_remove()",
      "x_generator": {
        "engine": "bippy-1.2.0"
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2026-23087",
    "datePublished": "2026-02-04T16:08:10.941Z",
    "dateReserved": "2026-01-13T15:37:45.961Z",
    "dateUpdated": "2026-02-06T16:33:08.886Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-PM73-PR98-FPFG

CVE-2026-23087 (GCVE-0-2026-23087)

Tags

Sightings

Nomenclature