{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2026-89717",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-89717",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-09-11T19:46:30.698Z",
    "updatedAt": "2026-10-21T12:48:28.119Z",
    "importedAt": "2026-10-24T01:58:35.090Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "zram: set default primary compressor in zram_destroy_comps()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nzram: set default primary compressor in zram_destroy_comps()\n\nPatch series \"zram: fix zram issues reported by sashiko\".\n\nSashiko drove by and reported [1] a couple of zram issues:\na possible BUG_ON() in zlib code due to missing winbits range\nvalidation and one possible NULL-ptr dereference in zcomp.\nBoth are low risk yet still worth fixing.\n\n\nThis patch (of 2):\n\nzram_destroy_comps() resets all compressors and leaves them set to NULL,\nincluding the primary one, which is invalid device state, as now\ncomp_algorithm_show()->strcmp() can be called on a NULL compressor.  Set\ndefault primary compressor in zram_destroy_comps().",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "6e20720b12299595154857fa98222729f0d5823c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a5fda7def04d98ab7c5cbb2394714fb1f8c56cb5"
            },
            {
              "version": "486fd58af7ac1098b68370b1d4d9f94a2a1c7124",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4bf3328eeec9afc2a55632ff47fc18101ea62d73"
            },
            {
              "version": "486fd58af7ac1098b68370b1d4d9f94a2a1c7124",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5cec3e60e9f2d1324179df3aa91656f90095cf8f"
            },
            {
              "version": "486fd58af7ac1098b68370b1d4d9f94a2a1c7124",
              "status": "affected",
              "versionType": "git",
              "lessThan": "dea8f13c3dfad8b990f8ea96c997aabeebbc1d22"
            },
            {
              "version": "486fd58af7ac1098b68370b1d4d9f94a2a1c7124",
              "status": "affected",
              "versionType": "git",
              "lessThan": "dde75313eed0b014c437f48dd75c0308b592cbf9"
            },
            {
              "version": "c4e5683c3031a33dc46954e99d37cbd2f706cdb6",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "6.6.57",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.6.160"
            },
            {
              "version": "6.11.4",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.12"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.12",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.12"
            },
            {
              "version": "6.6.160",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.111",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.51",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.2.4",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "version": "7.3",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}