CVE-2026-89618

Full vulnerability record from the local CVENow database.

Description

In the Linux kernel, the following vulnerability has been resolved: eventfs: Initialize ei->children and ei->list in init_ei() eventfs_create_dir() allocates the eventfs_inode and initializes it with init_ei(). But this does not initialize the eventfs_inode list_heads. If the eventfs_create_dir() fails due to memory pressure, it will call free_ei() before it initialized the lists, and that checks to make sure the eventfs_inode has no children. But because the list wasn't initialized, it will give a false warning. Fix it by moving the list initialization into init_ei(). [ Rewrote change log ]

Severity

Not scored

CVSS score

Not available

Vulnerability status

Received

Source identifier

416baaa9-dc9f-4396-8d5f-8c081fb06d67

Published

2026-09-11 20:19:47.040000

Last modified

2026-10-19 09:17:58.553000

View original CVE JSON

{
  "id": "CVE-2026-89618",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2026-09-11T20:19:47.040",
  "lastModified": "2026-10-19T09:17:58.553",
  "vulnStatus": "Received",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\neventfs: Initialize ei->children and ei->list in init_ei()\n\neventfs_create_dir() allocates the eventfs_inode and initializes it with\ninit_ei(). But this does not initialize the eventfs_inode list_heads. If\nthe eventfs_create_dir() fails due to memory pressure, it will call\nfree_ei() before it initialized the lists, and that checks to make sure\nthe eventfs_inode has no children. But because the list wasn't\ninitialized, it will give a false warning.\n\nFix it by moving the list initialization into init_ei().\n\n[ Rewrote change log ]"
    }
  ],
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "programFiles": [
            "fs/tracefs/event_inode.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "35ee34c0f6d578c9d245438ca29bf2e7024a5a65",
              "lessThan": "069729282fbecfaa8a54062266c338ed23f08005",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "5790b1fb3d672d9a1fe3881a7181dfdbe741568f",
              "lessThan": "c480f8af173d5b19c6d9c4311df6bbe352face9e",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "5790b1fb3d672d9a1fe3881a7181dfdbe741568f",
              "lessThan": "5333e18e6b425fcc39c7fea89e3949a2a98bc5e4",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "5790b1fb3d672d9a1fe3881a7181dfdbe741568f",
              "lessThan": "76e0f85f650738d768449dbccbc7c55d05f5b609",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "5790b1fb3d672d9a1fe3881a7181dfdbe741568f",
              "lessThan": "1704aaaf5d22bc765c168402350d191e24e245bc",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "6.6.18",
              "lessThan": "6.6.157",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "programFiles": [
            "fs/tracefs/event_inode.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "6.7",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "6.7",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.6.157",
              "lessThanOrEqual": "6.6.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.12.109",
              "lessThanOrEqual": "6.12.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.18.50",
              "lessThanOrEqual": "6.18.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "7.2.4",
              "lessThanOrEqual": "7.2.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "7.3",
              "lessThanOrEqual": "*",
              "versionType": "original_commit_for_fix",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {},
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/069729282fbecfaa8a54062266c338ed23f08005",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/1704aaaf5d22bc765c168402350d191e24e245bc",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/5333e18e6b425fcc39c7fea89e3949a2a98bc5e4",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/76e0f85f650738d768449dbccbc7c55d05f5b609",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/c480f8af173d5b19c6d9c4311df6bbe352face9e",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ]
}