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CVE-2026-98385

🗓️ 12 Oct 2026 05:48:52Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 98 Views🌐 WEB

UAF in the Linux kernel account_mm_sched() when a task switches mm.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
githubexploit
GithubExploit
Exploit for CVE-2026-98385
18 Oct 202623:33
–githubexploit
bdu_fstec
BDU FSTEC
Linux account_mm_sched Buffer Overflow DoS
21 Oct 202600:00
–bdu_fstec
circl
Circl
CVE-2026-98385
12 Oct 202606:07
–circl
cnnvd
CNNVD
Linux kernel security vulnerabilities
12 Oct 202600:00
–cnnvd
cvelist
Cvelist
CVE-2026-98385 sched/cache: Decouple sched_cache_group from mm to fix UAF
12 Oct 202605:48
–cvelist
debiancve
Debian CVE
CVE-2026-98385
12 Oct 202605:48
–debiancve
euvd
EUVD
EUVD-2026-97241
12 Oct 202605:48
–euvd
nvd
NVD
CVE-2026-98385
12 Oct 202606:17
–nvd
opensuse
OPENSUSE Linux
kernel-devel-7.2.11-1.1 on GA media (moderate)
30 Oct 202600:00
–opensuse
osv_bell
osv_bell
BELL-CVE-2026-98385 CVE-2026-98385 does not affect BellSoft software
13 Oct 202606:05
–osv_bell
Rows per page
Vulners
CNA
Node
OR
linuxlinux_kernelRange7.2–7.2.9
linuxlinux_kernelRange7.3.0≥
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/linux/mm_types.h",
      "include/linux/sched.h",
      "kernel/exit.c",
      "kernel/sched/fair.c"
    ],
    "versions": [
      {
        "version": "df0d98475954d655571979aa061ecb07d7e00392",
        "lessThan": "852ecb6bc0bc0106f44f74ba3944524732486025",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "df0d98475954d655571979aa061ecb07d7e00392",
        "lessThan": "28f9c0e0a0b94c5d3e1b634db545f6e1f94858c5",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/linux/mm_types.h",
      "include/linux/sched.h",
      "kernel/exit.c",
      "kernel/sched/fair.c"
    ],
    "versions": [
      {
        "version": "7.2",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "7.2",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.9",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
SCHED_FLAG_KEEP_PARAMSrequest bodysched_setattrThe vulnerability is triggered via a loop of sched_setattr calls. The scheduler cache accounting code updates per-CPU statistics associated with a task’s old mm_struct without protecting their lifecycle, leading to a Use-After-Free (UAF) condition.CWE-416
UTIL_CLAMP_MINrequest bodysched_setattrThe vulnerability is triggered via a loop of sched_setattr calls. The scheduler cache accounting code updates per-CPU statistics associated with a task’s old mm_struct without protecting their lifecycle, leading to a Use-After-Free (UAF) condition.CWE-416
UTIL_CLAMP_MAXrequest bodysched_setattrThe vulnerability is triggered via a loop of sched_setattr calls. The scheduler cache accounting code updates per-CPU statistics associated with a task’s old mm_struct without protecting their lifecycle, leading to a Use-After-Free (UAF) condition.CWE-416
/dev/zerorequest bodyreadvA helper thread uses readv(/dev/zero) combined with nanosleep to create page fluctuations to facilitate the race condition.CWE-416

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24 Oct 2026 14:16Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.17.8
EPSS0.00177
98