CVE-2026-68304 (GCVE-0-2026-68304)
Vulnerability from cvelistv5
Published
2026-08-10 12:02
Modified
2026-08-19 16:32
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix 802.1X-SHA256 call trace warning Based on wpa_auth as 1x_256 mode, need to set up "use_fwsup" with BRCMF_PROFILE_FWSUP_1X. Or it will happen trace warning when call brcmf_cfg80211_set_pmk(). [ 4481.831101] ------------[ cut here ]------------ [ 4481.831102] WARNING: CPU: 1 PID: 2997 at drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:7242 brcmf_cfg80211_set_pmk+0x77/0xd0 [brcmfmac] [...] [ 4481.831202] Call Trace: [ 4481.831204]  <TASK> [ 4481.831205]  nl80211_set_pmk+0x183/0x250 [cfg80211] [ 4481.831233]  genl_family_rcv_msg_doit+0xea/0x150 [ 4481.831237]  genl_rcv_msg+0x104/0x240 [ 4481.831239]  ? cfg80211_probe_status+0x2c0/0x2c0 [cfg80211] [ 4481.831257]  ? genl_family_rcv_msg_doit+0x150/0x150 [ 4481.831259]  netlink_rcv_skb+0x4e/0x100 [ 4481.831261]  genl_rcv+0x24/0x40 [ 4481.831262]  netlink_unicast+0x236/0x380 [ 4481.831264]  netlink_sendmsg+0x250/0x4b0 [ 4481.831266]  sock_sendmsg+0x5c/0x70 [ 4481.831269]  ____sys_sendmsg+0x236/0x2b0 [ 4481.831271]  ? copy_msghdr_from_user+0x6d/0xa0 [ 4481.831272]  ___sys_sendmsg+0x86/0xd0 [ 4481.831274]  ? avc_has_perm+0x8c/0x1a0 [ 4481.831276]  ? preempt_count_add+0x6a/0xa0 [ 4481.831279]  ? sock_has_perm+0x82/0xa0 [ 4481.831280]  __sys_sendmsg+0x57/0xa0 [ 4481.831282]  do_syscall_64+0x38/0x90 [ 4481.831284]  entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 4481.831286] RIP: 0033:0x7fd270d369b4
References
Impacted products
Vendor Product Version
Linux Linux Version: 2526ff21aa77c205f72e8263335f20b7d7e636fc
Version: 2526ff21aa77c205f72e8263335f20b7d7e636fc
Version: 2526ff21aa77c205f72e8263335f20b7d7e636fc
Version: 2526ff21aa77c205f72e8263335f20b7d7e636fc
Version: 2526ff21aa77c205f72e8263335f20b7d7e636fc
Version: 2526ff21aa77c205f72e8263335f20b7d7e636fc
Version: 2526ff21aa77c205f72e8263335f20b7d7e636fc
Version: 2526ff21aa77c205f72e8263335f20b7d7e636fc
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "lessThan": "fe27cc1feecde0e6a0a9a04b7ad3262ed5f99252",
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              "versionType": "git"
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            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.13"
            },
            {
              "lessThan": "4.13",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.265",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.216",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.183",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.148",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.101",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.42",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.265",
                  "versionStartIncluding": "4.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.216",
                  "versionStartIncluding": "4.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.183",
                  "versionStartIncluding": "4.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.148",
                  "versionStartIncluding": "4.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.101",
                  "versionStartIncluding": "4.13",
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                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.42",
                  "versionStartIncluding": "4.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1.6",
                  "versionStartIncluding": "4.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2",
                  "versionStartIncluding": "4.13",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmfmac: fix 802.1X-SHA256 call trace warning\n\nBased on wpa_auth as 1x_256 mode, need to set up\n\"use_fwsup\" with BRCMF_PROFILE_FWSUP_1X.\nOr it will happen trace warning when call brcmf_cfg80211_set_pmk().\n\n[ 4481.831101] ------------[ cut here ]------------\n[ 4481.831102] WARNING: CPU: 1 PID: 2997 at\ndrivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:7242 brcmf_cfg80211_set_pmk+0x77/0xd0 [brcmfmac]\n[...]\n[ 4481.831202] Call Trace:\n[ 4481.831204] \u00a0\u003cTASK\u003e\n[ 4481.831205] \u00a0nl80211_set_pmk+0x183/0x250 [cfg80211]\n[ 4481.831233] \u00a0genl_family_rcv_msg_doit+0xea/0x150\n[ 4481.831237] \u00a0genl_rcv_msg+0x104/0x240\n[ 4481.831239] \u00a0? cfg80211_probe_status+0x2c0/0x2c0 [cfg80211]\n[ 4481.831257] \u00a0? genl_family_rcv_msg_doit+0x150/0x150\n[ 4481.831259] \u00a0netlink_rcv_skb+0x4e/0x100\n[ 4481.831261] \u00a0genl_rcv+0x24/0x40\n[ 4481.831262] \u00a0netlink_unicast+0x236/0x380\n[ 4481.831264] \u00a0netlink_sendmsg+0x250/0x4b0\n[ 4481.831266] \u00a0sock_sendmsg+0x5c/0x70\n[ 4481.831269] \u00a0____sys_sendmsg+0x236/0x2b0\n[ 4481.831271] \u00a0? copy_msghdr_from_user+0x6d/0xa0\n[ 4481.831272] \u00a0___sys_sendmsg+0x86/0xd0\n[ 4481.831274] \u00a0? avc_has_perm+0x8c/0x1a0\n[ 4481.831276] \u00a0? preempt_count_add+0x6a/0xa0\n[ 4481.831279] \u00a0? sock_has_perm+0x82/0xa0\n[ 4481.831280] \u00a0__sys_sendmsg+0x57/0xa0\n[ 4481.831282] \u00a0do_syscall_64+0x38/0x90\n[ 4481.831284] \u00a0entry_SYSCALL_64_after_hwframe+0x63/0xcd\n[ 4481.831286] RIP: 0033:0x7fd270d369b4"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-19T16:32:58.379Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/fe27cc1feecde0e6a0a9a04b7ad3262ed5f99252"
        },
        {
          "url": "https://git.kernel.org/stable/c/47989a233df369c2c2263ab0a5cbd8c8dad253a5"
        },
        {
          "url": "https://git.kernel.org/stable/c/d0395840e3266397de94ecd3c91e1c188c7667c6"
        },
        {
          "url": "https://git.kernel.org/stable/c/137e4710da626290495b174e2eb1d5e889a4b165"
        },
        {
          "url": "https://git.kernel.org/stable/c/d3ac5b35ec85c41ccf8ec524d47b520e72edaca1"
        },
        {
          "url": "https://git.kernel.org/stable/c/00ebbf030d8c4a1cb89cbbae15e28332373649db"
        },
        {
          "url": "https://git.kernel.org/stable/c/bd4fac033bb95fcad898cf6734e869991b2561cb"
        },
        {
          "url": "https://git.kernel.org/stable/c/7cb34f6c4fe8a68af621d870abe63bfca2275dd6"
        }
      ],
      "title": "wifi: brcmfmac: fix 802.1X-SHA256 call trace warning",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-68304",
    "datePublished": "2026-08-10T12:02:38.515Z",
    "dateReserved": "2026-07-30T09:28:09.381Z",
    "dateUpdated": "2026-08-19T16:32:58.379Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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