CVE-2023-54095 powerpc/iommu: Fix notifiers being shared by PCI and VIO buses

🗓️ 24 Dec 2025 13:06:23Reported by LinuxType

Linux kernel fix prevents sharing of notifier blocks between PCI and VIO buses in powerpc iommu.

Reporter	Title	Published	Views	Family All 318
AstraLinux	Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1	19 Jun 202611:10	–	astralinux
BDU FSTEC	The vulnerability of the fail_iommu_bus_notify() function in the arch/powerpc/kernel/iommu.c module, which is part of the PowerPC platform support for the Linux operating system, allows a hacker to trigger a service failure.	4 Feb 202600:00	–	bdu_fstec
CNNVD	Linux kernel 安全漏洞	24 Dec 202500:00	–	cnnvd
CVE	CVE-2023-54095	24 Dec 202513:06	–	cve
Debian CVE	CVE-2023-54095	24 Dec 202513:06	–	debiancve
EUVD	EUVD-2023-60350	24 Dec 202515:30	–	euvd
NVD	CVE-2023-54095	24 Dec 202513:16	–	nvd
OpenVAS	openSUSE Security Advisory (SUSE-SU-2026:0293-1)	28 Jan 202600:00	–	openvas
OpenVAS	SUSE: Security Advisory (SUSE-SU-2026:0293-1)	28 Jan 202600:00	–	openvas
OpenVAS	SUSE: Security Advisory (SUSE-SU-2026:0316-1)	30 Jan 202600:00	–	openvas

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/powerpc/kernel/iommu.c"
    ],
    "versions": [
      {
        "version": "d6b9a81b2a45786384f5bd3516bd6ddfb4b772c6",
        "lessThan": "dc0d107e624ca96aef6dd8722eb33ba3a6d157b0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d6b9a81b2a45786384f5bd3516bd6ddfb4b772c6",
        "lessThan": "075a4dcdbc9a5ea793cb8ec8b78a6c0b7636fd52",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d6b9a81b2a45786384f5bd3516bd6ddfb4b772c6",
        "lessThan": "65bf8a196ba25cf65a858b5bb8de80f0aad76691",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d6b9a81b2a45786384f5bd3516bd6ddfb4b772c6",
        "lessThan": "f08944e3c6962b00827de7263a9e20688e79ad84",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d6b9a81b2a45786384f5bd3516bd6ddfb4b772c6",
        "lessThan": "a9ddbfed53465bc7c411231db32a488066c0c1be",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d6b9a81b2a45786384f5bd3516bd6ddfb4b772c6",
        "lessThan": "f17d5efaafba3d5f02f0373f7c5f44711d676f3e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d6b9a81b2a45786384f5bd3516bd6ddfb4b772c6",
        "lessThan": "c46af58588253e5e4063bb5ddc78cd12fdf9e55d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d6b9a81b2a45786384f5bd3516bd6ddfb4b772c6",
        "lessThan": "6670c65bf863cd0d44ca24d4c10ef6755b8d9529",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d6b9a81b2a45786384f5bd3516bd6ddfb4b772c6",
        "lessThan": "c37b6908f7b2bd24dcaaf14a180e28c9132b9c58",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/powerpc/kernel/iommu.c"
    ],
    "versions": [
      {
        "version": "3.6",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.6",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.14.326",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.295",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.257",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.195",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.132",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.53",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.4.16",
        "lessThanOrEqual": "6.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.5.3",
        "lessThanOrEqual": "6.5.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/c46af58588253e5e4063bb5ddc78cd12fdf9e55d
git	www.git.kernel.org/stable/c/6670c65bf863cd0d44ca24d4c10ef6755b8d9529
git	www.git.kernel.org/stable/c/075a4dcdbc9a5ea793cb8ec8b78a6c0b7636fd52
git	www.git.kernel.org/stable/c/c37b6908f7b2bd24dcaaf14a180e28c9132b9c58
git	www.git.kernel.org/stable/c/f17d5efaafba3d5f02f0373f7c5f44711d676f3e
git	www.git.kernel.org/stable/c/65bf8a196ba25cf65a858b5bb8de80f0aad76691
git	www.git.kernel.org/stable/c/dc0d107e624ca96aef6dd8722eb33ba3a6d157b0
git	www.git.kernel.org/stable/c/f08944e3c6962b00827de7263a9e20688e79ad84
git	www.git.kernel.org/stable/c/a9ddbfed53465bc7c411231db32a488066c0c1be

11 May 2026 19:55Current

EPSS0.00204