{"id":"CVE-2026-98281","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nfutex: Also allocate private hash on vfork()\n\nAs Jann demonstrated, it is entirely feasible to access the mm through vfork().\nTherefore we need to allocate a private ha…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nfutex: Also allocate private hash on vfork()\n\nAs Jann demonstrated, it is entirely feasible to access the mm through vfork().\nTherefore we need to allocate a private ha…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 1dcd36420af2da5bd59306dba9caf78e3d248b1d < 5468a4855b63b30156a79e5248e01bf1a2c18dd7","Linux >= ee9dce44362b2d8132c32964656ab6dff7dfbc6a < eecbafa8cabbc4d1482f6a5e2acc25a8f934681b","Linux >= ee9dce44362b2d8132c32964656ab6dff7dfbc6a < b61b6f95d6722ddbbbd09e689fa41b55fd36f9a5","Linux 974ac49a9a068b0591a59f65c63eb06579a13091","Linux >= 6.18.33 < 6.18.54","Linux >= 7.0.10 < 7.1","Linux 7.1"],"published":"2026-10-06","updated":"2026-10-06","sourceUpdated":"2026-10-06T09:18:18.040","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-98281","references":[{"url":"https://git.kernel.org/stable/c/5468a4855b63b30156a79e5248e01bf1a2c18dd7","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b61b6f95d6722ddbbbd09e689fa41b55fd36f9a5","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/eecbafa8cabbc4d1482f6a5e2acc25a8f934681b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-06T08:50:17.421Z","slug":"CVE-2026-98281","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nfutex: Also allocate private hash on vfork()\n\nAs Jann demonstrated, it is entirely feasible to access the mm through vfork().\nTherefore we need to allocate a private hash on vfork() as well as any other\nCLONE_VM user.\n\nSpecifically, it must be avoided to have (private) futex waiters before\nallocating the private hash.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}