CVE-2026-46016 remoteproc: xlnx: Only access buffer information if IPI is buffered

🗓️ 27 May 2026 12:56:17Reported by LinuxType

Fixed crash by checking for NULL in receive callback for remoteproc xilinx IPI buffer access.

Reporter	Title	Published	Views	Family All 158
CBLMariner	CVE-2026-46016 affecting package kernel for versions less than 6.6.141.1-1	22 Jun 202621:21	–	cbl_mariner
CNNVD	Linux kernel 安全漏洞	27 May 202600:00	–	cnnvd
CVE	CVE-2026-46016	27 May 202612:56	–	cve
Debian CVE	CVE-2026-46016	27 May 202612:56	–	debiancve
EUVD	EUVD-2026-32397	27 May 202612:56	–	euvd
Microsoft CVE	remoteproc: xlnx: Only access buffer information if IPI is buffered	28 May 202608:12	–	mscve
NVD	CVE-2026-46016	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-2026-46016	29 May 202606:10	–	osv
OSV	DEBIAN-CVE-2026-46016	27 May 202614:17	–	osv

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/remoteproc/xlnx_r5_remoteproc.c"
    ],
    "versions": [
      {
        "version": "5dfb28c257b7c515624ba6b163410ceada451bf2",
        "lessThan": "5d1451cb2cf6f3d9884d76035a1460aa9bb4b053",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5dfb28c257b7c515624ba6b163410ceada451bf2",
        "lessThan": "7ddbf21116770b7011f2bb0a6056b7604b24c497",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5dfb28c257b7c515624ba6b163410ceada451bf2",
        "lessThan": "06d0bed2552fd0dae27d374d4492a2b672e24eed",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5dfb28c257b7c515624ba6b163410ceada451bf2",
        "lessThan": "8242579859a78c801bb626e9aa4823aca93e28e7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5dfb28c257b7c515624ba6b163410ceada451bf2",
        "lessThan": "38dd6ccfdfbbe865569a52fe1ba9fa1478f672e6",
        "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/remoteproc/xlnx_r5_remoteproc.c"
    ],
    "versions": [
      {
        "version": "6.4",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.4",
        "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/8242579859a78c801bb626e9aa4823aca93e28e7
git	www.git.kernel.org/stable/c/06d0bed2552fd0dae27d374d4492a2b672e24eed
git	www.git.kernel.org/stable/c/7ddbf21116770b7011f2bb0a6056b7604b24c497
git	www.git.kernel.org/stable/c/38dd6ccfdfbbe865569a52fe1ba9fa1478f672e6
git	www.git.kernel.org/stable/c/5d1451cb2cf6f3d9884d76035a1460aa9bb4b053

14 Jun 2026 17:48Current

EPSS0.00122