CVE-2026-53047

🗓️ 24 Jun 2026 16:29:53Reported by LinuxType

CVE-2026-53047 fixes incorrect sizeof in phys array reallocation for efi capsule loader to prevent heap overflow.

Reporter	Title	Published	Views	Family All 8
Cvelist	CVE-2026-53047 efi/capsule-loader: fix incorrect sizeof in phys array reallocation	24 Jun 202616:29	–	cvelist
Debian CVE	CVE-2026-53047	24 Jun 202616:29	–	debiancve
EUVD	EUVD-2026-38915	24 Jun 202616:29	–	euvd
NVD	CVE-2026-53047	24 Jun 202617:17	–	nvd
OSV	DEBIAN-CVE-2026-53047	24 Jun 202620:48	–	osv
OSV	ECHO-9325-CE62-E967	25 Jun 202609:55	–	osv
OSV	UBUNTU-CVE-2026-53047	25 Jun 202600:00	–	osv
Positive Technologies	PT-2026-51941	24 Jun 202600:00	–	ptsecurity

Vulners

CNA

Node

linux linux_kernelRange4.14.13–4.15

linux linux_kernelRange4.15–5.10.258

linux linux_kernelRange5.11.0–5.15.209

linux linux_kernelRange5.16.0–6.1.175

linux linux_kernelRange6.2.0–6.6.141

linux linux_kernelRange6.7.0–6.12.91

linux linux_kernelRange6.13.0–6.18.33

linux linux_kernelRange6.19.0–7.0.10

linux linux_kernelRange7.1.0≥

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/firmware/efi/capsule-loader.c"
    ],
    "versions": [
      {
        "version": "f24c4d478013d82bd1b943df566fff3561d52864",
        "lessThan": "22022cd8851703a58f67615a17bc7e9e8682785b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f24c4d478013d82bd1b943df566fff3561d52864",
        "lessThan": "67adde6bfdfd563a54b045d59aeb9a2d90c80697",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f24c4d478013d82bd1b943df566fff3561d52864",
        "lessThan": "608e1f7bc9d171ab26c1fba288c97fc76363c27d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f24c4d478013d82bd1b943df566fff3561d52864",
        "lessThan": "8be69e9245f805566bac68ffc8574b64735fd996",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f24c4d478013d82bd1b943df566fff3561d52864",
        "lessThan": "5e185330d902b12fe8e6eb4b8514b5d736d8d66d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f24c4d478013d82bd1b943df566fff3561d52864",
        "lessThan": "e0e6b14995fd6fa2c0df8c712d76ab32f0694c31",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f24c4d478013d82bd1b943df566fff3561d52864",
        "lessThan": "ab3f7098a3a27175b91cfc947950f5c26855801b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f24c4d478013d82bd1b943df566fff3561d52864",
        "lessThan": "48a428215782321b56956974f23593e40ce84b7a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "95a362c9a6892085f714eb6e31eea6a0e3aa93bf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4.14.13",
        "lessThan": "4.15",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/firmware/efi/capsule-loader.c"
    ],
    "versions": [
      {
        "version": "4.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.15",
        "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": "6.6.141",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.91",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.33",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.10",
        "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/ab3f7098a3a27175b91cfc947950f5c26855801b
git	www.git.kernel.org/stable/c/8be69e9245f805566bac68ffc8574b64735fd996
git	www.git.kernel.org/stable/c/22022cd8851703a58f67615a17bc7e9e8682785b
git	www.git.kernel.org/stable/c/e0e6b14995fd6fa2c0df8c712d76ab32f0694c31
git	www.git.kernel.org/stable/c/608e1f7bc9d171ab26c1fba288c97fc76363c27d
git	www.git.kernel.org/stable/c/67adde6bfdfd563a54b045d59aeb9a2d90c80697
git	www.git.kernel.org/stable/c/48a428215782321b56956974f23593e40ce84b7a
git	www.git.kernel.org/stable/c/5e185330d902b12fe8e6eb4b8514b5d736d8d66d

24 Jun 2026 17:17Current

6Medium risk

Vulners AI Score6