CVE-2026-64296

🗓️ 25 Jul 2026 08:49:33Reported by LinuxType

Fixes out-of-bounds access in exfat_find_dir_entry by tracking per-entry offset and enforcing max name length.

Reporter	Title	Published	Views	Family All 6
Cvelist	CVE-2026-64296 exfat: bound uniname advance in exfat_find_dir_entry()	25 Jul 202608:49	–	cvelist
Debian CVE	CVE-2026-64296	25 Jul 202608:49	–	debiancve
EUVD	EUVD-2026-49008	25 Jul 202608:49	–	euvd
NVD	CVE-2026-64296	25 Jul 202610:17	–	nvd
OSV	DEBIAN-CVE-2026-64296	25 Jul 202616:48	–	osv
Positive Technologies	PT-2026-64517	25 Jul 202600:00	–	ptsecurity

Vulners

CNA

Node

linux linux_kernelRange5.7–5.10.261

linux linux_kernelRange5.11.0–5.15.212

linux linux_kernelRange5.16.0–6.1.178

linux linux_kernelRange6.2.0–6.6.145

linux linux_kernelRange6.7.0–6.12.96

linux linux_kernelRange6.13.0–6.18.39

linux linux_kernelRange6.19.0–7.1.4

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": [
      "fs/exfat/dir.c"
    ],
    "versions": [
      {
        "version": "ca06197382bde0a3bc20215595d1c9ce20c6e341",
        "lessThan": "72a2589d82eb001c94b74bcfe6f9a599bd9bef60",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ca06197382bde0a3bc20215595d1c9ce20c6e341",
        "lessThan": "fae76a94b35ee8c0e2eb6f64caca01d75c6d34e4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ca06197382bde0a3bc20215595d1c9ce20c6e341",
        "lessThan": "cf85180b8a015029ee147694eaf4e0b3537e9432",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ca06197382bde0a3bc20215595d1c9ce20c6e341",
        "lessThan": "ce4736c1e6c4cfbf1ac409a8c328a0b69546c9a0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ca06197382bde0a3bc20215595d1c9ce20c6e341",
        "lessThan": "727bf7783a2936ffd55c628dddfd69343e511dcf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ca06197382bde0a3bc20215595d1c9ce20c6e341",
        "lessThan": "33c0b96d7e1672be1de0053786637ea46fb81507",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ca06197382bde0a3bc20215595d1c9ce20c6e341",
        "lessThan": "c8e041c68c0bbb73aa62371ee63947bb6949d8b2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ca06197382bde0a3bc20215595d1c9ce20c6e341",
        "lessThan": "3a1230e7b043c62737b05a3e9275ca83a43ad20a",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/exfat/dir.c"
    ],
    "versions": [
      {
        "version": "5.7",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.7",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.261",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.212",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.178",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.145",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.96",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.39",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.4",
        "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/72a2589d82eb001c94b74bcfe6f9a599bd9bef60
git	www.git.kernel.org/stable/c/727bf7783a2936ffd55c628dddfd69343e511dcf
git	www.git.kernel.org/stable/c/33c0b96d7e1672be1de0053786637ea46fb81507
git	www.git.kernel.org/stable/c/fae76a94b35ee8c0e2eb6f64caca01d75c6d34e4
git	www.git.kernel.org/stable/c/c8e041c68c0bbb73aa62371ee63947bb6949d8b2
git	www.git.kernel.org/stable/c/ce4736c1e6c4cfbf1ac409a8c328a0b69546c9a0
git	www.git.kernel.org/stable/c/cf85180b8a015029ee147694eaf4e0b3537e9432
git	www.git.kernel.org/stable/c/3a1230e7b043c62737b05a3e9275ca83a43ad20a

25 Jul 2026 10:17Current

5.9Medium risk

Vulners AI Score5.9

EPSS0.0022