CVE-2026-45994

🗓️ 27 May 2026 12:55:47Reported by LinuxType

Ibmasm command_file_write fix for out of bounds reads by validating header and payload sizes in the kernel buffer.

Reporter	Title	Published	Views	Family All 29
CNNVD	Linux kernel 安全漏洞	27 May 202600:00	–	cnnvd
Cvelist	CVE-2026-45994 ibmasm: fix OOB reads in command_file_write due to missing size checks	27 May 202612:55	–	cvelist
Debian CVE	CVE-2026-45994	27 May 202612:55	–	debiancve
EUVD	EUVD-2026-32290	27 May 202615:33	–	euvd
Microsoft CVE	ibmasm: fix OOB reads in command_file_write due to missing size checks	28 May 202608:08	–	mscve
NVD	CVE-2026-45994	27 May 202614:17	–	nvd
OPENSUSE Linux	kernel-devel-7.0.11-1.1 on GA media (moderate)	8 Jun 202600:00	–	opensuse
OSV	BELL-CVE-2026-45994	28 May 202606:10	–	osv
OSV	DEBIAN-CVE-2026-45994	27 May 202614:17	–	osv
OSV	ECHO-2436-9955-1C74	28 May 202604:57	–	osv

NVD

Vulners

CNA

Node

linux linux_kernelRange2.6.12.1–5.10.258

linux linux_kernelRange5.11–5.15.209

linux linux_kernelRange5.16–6.1.175

linux linux_kernelRange6.2–6.6.140

linux linux_kernelRange6.7–6.12.86

linux linux_kernelRange6.13–6.18.27

linux linux_kernelRange6.19–7.0.4

linux linux_kernelMatch2.6.12-

linux linux_kernelMatch2.6.12rc2

linux linux_kernelMatch2.6.12rc3

linux linux_kernelMatch2.6.12rc4

linux linux_kernelMatch2.6.12rc5

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/misc/ibmasm/ibmasmfs.c"
    ],
    "versions": [
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "44ee19422aa82a6847594866de7e5a31e4ef98b3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "7b8a574da5d7ea99b943f7a3458a17a1d95e8838",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "d50e2019c9d7c433f56d9dff65703eb904aa1fb1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "a672682d39dd34e2b5ba4feb436723bed65125ff",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "aefc1a97da17d8309974690c8a03e439a91ebb1c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "ee5737891464030a189837467df3b81a273718ad",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "d0fb4d1dc43f8d5179917a2daaa82680993d4cdf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "0eb09f737428e482a32a2e31e5e223f2b35a71d3",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/misc/ibmasm/ibmasmfs.c"
    ],
    "versions": [
      {
        "version": "2.6.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.258",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.209",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.175",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.140",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.86",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.27",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.4",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/ee5737891464030a189837467df3b81a273718ad
git	www.git.kernel.org/stable/c/a672682d39dd34e2b5ba4feb436723bed65125ff
git	www.git.kernel.org/stable/c/d50e2019c9d7c433f56d9dff65703eb904aa1fb1
git	www.git.kernel.org/stable/c/7b8a574da5d7ea99b943f7a3458a17a1d95e8838
git	www.git.kernel.org/stable/c/0eb09f737428e482a32a2e31e5e223f2b35a71d3
git	www.git.kernel.org/stable/c/aefc1a97da17d8309974690c8a03e439a91ebb1c
git	www.git.kernel.org/stable/c/d0fb4d1dc43f8d5179917a2daaa82680993d4cdf
git	www.git.kernel.org/stable/c/44ee19422aa82a6847594866de7e5a31e4ef98b3

17 Jun 2026 10:52Current

5.9Medium risk

Vulners AI Score5.9

CVSS 3.17.1

EPSS0.00131

CWE-125