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CVE-2026-74341 wifi: wcn36xx: fix heap overflow from oversized firmware HAL response

🗓️ 15 Aug 2026 05:58:31Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 32 Views

Heap overflow in Linux kernel wcn36xx driver from unchecked firmware HAL response length.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-74341
15 Aug 202605:58
cve
debiancve
Debian CVE
CVE-2026-74341
15 Aug 202605:58
debiancve
oraclelinux
Oracle linux
Unbreakable Enterprise kernel security update
4 Sep 202600:00
oraclelinux
euvd
EUVD
EUVD-2026-59488
15 Aug 202605:58
euvd
nvd
NVD
CVE-2026-74341
15 Aug 202606:22
nvd
osv
OSV
BELL-CVE-2026-74341
18 Aug 202606:06
osv
osv
OSV
DEBIAN-CVE-2026-74341
15 Aug 202606:22
osv
osv
OSV
UBUNTU-CVE-2026-74341
15 Aug 202606:22
osv
nessus
Tenable Nessus
Photon OS 5.0: Linux PHSA-2026-5.0-92-0952
12 Aug 202600:00
nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-74341
15 Aug 202600:00
nessus
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/wireless/ath/wcn36xx/smd.c"
    ],
    "versions": [
      {
        "version": "8e84c25821698bdef73c0329fb2022a4673b7adc",
        "lessThan": "dae9cadf0925f1cbfb71306d60490890df3870a6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8e84c25821698bdef73c0329fb2022a4673b7adc",
        "lessThan": "cfc67aee0c83e7f5d43a1dad3e25c789e9cc1d92",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8e84c25821698bdef73c0329fb2022a4673b7adc",
        "lessThan": "15545ee71301e82d26d9a31b407ed0019eb62a60",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8e84c25821698bdef73c0329fb2022a4673b7adc",
        "lessThan": "1b5d8a248c3afa640bcc99fa95abcd1e36f3ee18",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8e84c25821698bdef73c0329fb2022a4673b7adc",
        "lessThan": "18813b90032bfaafb225906a4d2b51be4dfc02c3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8e84c25821698bdef73c0329fb2022a4673b7adc",
        "lessThan": "88a240d86d3d64521f9194abe185ac71cc74d0bd",
        "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/net/wireless/ath/wcn36xx/smd.c"
    ],
    "versions": [
      {
        "version": "3.13",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.13",
        "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": "6.12.97",
        "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",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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17 Aug 2026 05:46Current
CVSS 3.18.8
EPSS0.00338
32