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CVE-2026-89717 zram: set default primary compressor in zram_destroy_comps()

🗓️ 11 Sep 2026 19:46:30Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

NULL dereference in Linux kernel zram when zram_destroy_comps() resets primary compressor to NULL.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-89717
11 Sep 202619:46
cve
nvd
NVD
CVE-2026-89717
11 Sep 202620:19
nvd
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/block/zram/zram_drv.c"
    ],
    "versions": [
      {
        "version": "486fd58af7ac1098b68370b1d4d9f94a2a1c7124",
        "lessThan": "5cec3e60e9f2d1324179df3aa91656f90095cf8f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "486fd58af7ac1098b68370b1d4d9f94a2a1c7124",
        "lessThan": "dea8f13c3dfad8b990f8ea96c997aabeebbc1d22",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "486fd58af7ac1098b68370b1d4d9f94a2a1c7124",
        "lessThan": "dde75313eed0b014c437f48dd75c0308b592cbf9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6e20720b12299595154857fa98222729f0d5823c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c4e5683c3031a33dc46954e99d37cbd2f706cdb6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.6.57",
        "lessThan": "6.7",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.11.4",
        "lessThan": "6.12",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/block/zram/zram_drv.c"
    ],
    "versions": [
      {
        "version": "6.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.51",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.4",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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