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CVE-2026-64402 coresight: ultrasoc-smb: Fix OOB write in smb_sync_perf_buffer()

🗓️ 25 Jul 2026 08:50:45Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 36 Views

Fix out-of-bounds write in smb_sync_perf_buffer by normalizing head modulo the AUX buffer size for perf AUX sink.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-64402
25 Jul 202608:50
cve
debian
Debian
[SECURITY] [DLA 4724-1] linux-6.12 new package
7 Aug 202609:29
debian
debiancve
Debian CVE
CVE-2026-64402
25 Jul 202608:50
debiancve
nessus
Tenable Nessus
Debian dla-4724 : ata-modules-6.12.100+deb12-armmp-di - security update
8 Aug 202600:00
nessus
nessus
Tenable Nessus
Photon OS 5.0: Linux PHSA-2026-5.0-0928
24 Jul 202600:00
nessus
nessus
Tenable Nessus
Photon OS 5.0: Linux PHSA-2026-5.0-92-0928
5 Aug 202600:00
nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-64402
25 Jul 202600:00
nessus
euvd
EUVD
EUVD-2026-48946
25 Jul 202608:50
euvd
nvd
NVD
CVE-2026-64402
25 Jul 202610:17
nvd
osv
OSV
BELL-CVE-2026-64402
29 Jul 202606:05
osv
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/hwtracing/coresight/ultrasoc-smb.c"
    ],
    "versions": [
      {
        "version": "06f5c2926aaa0fba7f99678da6ef77cbbbda1441",
        "lessThan": "38dbc8db8341ccdf8e1e1a067453d33ad751864b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "06f5c2926aaa0fba7f99678da6ef77cbbbda1441",
        "lessThan": "4c5a0a946373da99a80398289b28845b5ae40cd1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "06f5c2926aaa0fba7f99678da6ef77cbbbda1441",
        "lessThan": "661a019ac0413ecec9e5d1dfcc12fbca8e78d5fb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "06f5c2926aaa0fba7f99678da6ef77cbbbda1441",
        "lessThan": "daf6246ab988fc8bdc82ad7c8d0b1c182d11b15f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "06f5c2926aaa0fba7f99678da6ef77cbbbda1441",
        "lessThan": "98495b5a4d77dd22e106f462b76e1093a55b29a7",
        "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/hwtracing/coresight/ultrasoc-smb.c"
    ],
    "versions": [
      {
        "version": "6.3",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.3",
        "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"
      }
    ]
  }
]

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05 Aug 2026 12:41Current
CVSS 3.17.8
EPSS0.00129
36