CVE-2026-64582

🗓️ 05 Aug 2026 11:25:29Reported by LinuxType

The CVE-2026-64582 entry documents a use-after-free in RDMA/rxe: rxe_mmap() removes a rxe_mmap_info from pending_mmaps while the object's kref is still 1, then walks PTEs during remap_vmalloc_range. A concurrent DESTROY_CQ can free the underlying ...

Reporter	Title	Published	Views	Family All 5
ATTACKERKB	CVE-2026-64582	5 Aug 202611:25	–	attackerkb
Cvelist	CVE-2026-64582 RDMA/rxe: Fix a use-after-free problem in rxe_mmap	5 Aug 202611:25	–	cvelist
Debian CVE	CVE-2026-64582	5 Aug 202611:25	–	debiancve
EUVD	EUVD-2026-53329	5 Aug 202611:25	–	euvd
NVD	CVE-2026-64582	5 Aug 202612:18	–	nvd

Vulners

CNA

Node

linux linux_kernelRange4.8–6.6.145

linux linux_kernelRange6.7.0–6.12.97

linux linux_kernelRange6.13.0–6.18.40

linux linux_kernelRange6.19.0–7.1.5

linux linux_kernelRange7.2.0–7.2-rc1

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/infiniband/sw/rxe/rxe_mmap.c"
    ],
    "versions": [
      {
        "version": "8700e3e7c4857d28ebaa824509934556da0b3e76",
        "lessThan": "665fb7d22a700c66a78db0cf88c6e6a649aba9d0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8700e3e7c4857d28ebaa824509934556da0b3e76",
        "lessThan": "e038d42cc09ca1da9d3568ce8ae062b2bfb3bc0e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8700e3e7c4857d28ebaa824509934556da0b3e76",
        "lessThan": "e59a6aa89e0fcd1d0707832eb4654fd9ae7d31e6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8700e3e7c4857d28ebaa824509934556da0b3e76",
        "lessThan": "3525987a392536f31a484833af258971af63b24c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8700e3e7c4857d28ebaa824509934556da0b3e76",
        "lessThan": "35744ab3d03c5fca8c1752f53fc8fc674e14c561",
        "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/infiniband/sw/rxe/rxe_mmap.c"
    ],
    "versions": [
      {
        "version": "4.8",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.8",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.145",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.97",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.40",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.5",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/e59a6aa89e0fcd1d0707832eb4654fd9ae7d31e6
git	www.git.kernel.org/stable/c/665fb7d22a700c66a78db0cf88c6e6a649aba9d0
git	www.git.kernel.org/stable/c/35744ab3d03c5fca8c1752f53fc8fc674e14c561
git	www.git.kernel.org/stable/c/3525987a392536f31a484833af258971af63b24c
git	www.git.kernel.org/stable/c/e038d42cc09ca1da9d3568ce8ae062b2bfb3bc0e

05 Aug 2026 12:18Current

5.4Medium risk

Vulners AI Score5.4