{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: Set correct chandef when starting CAC\n\nWhen starting CAC in a mode other than AP mode, it return a\n\"WARNING: CPU: 0 PID: 63 at cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211]\"\ncaused by the chandef.chan being null at the end of CAC.\n\nSolution: Ensure the channel definition is set for the different modes\nwhen starting CAC to avoid getting a NULL 'chan' at the end of CAC.\n\n Call Trace:\n  ? show_regs.part.0+0x14/0x16\n  ? __warn+0x67/0xc0\n  ? cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211]\n  ? report_bug+0xa7/0x130\n  ? exc_overflow+0x30/0x30\n  ? handle_bug+0x27/0x50\n  ? exc_invalid_op+0x18/0x60\n  ? handle_exception+0xf6/0xf6\n  ? exc_overflow+0x30/0x30\n  ? cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211]\n  ? exc_overflow+0x30/0x30\n  ? cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211]\n  ? regulatory_propagate_dfs_state.cold+0x1b/0x4c [cfg80211]\n  ? cfg80211_propagate_cac_done_wk+0x1a/0x30 [cfg80211]\n  ? process_one_work+0x165/0x280\n  ? worker_thread+0x120/0x3f0\n  ? kthread+0xc2/0xf0\n  ? process_one_work+0x280/0x280\n  ? kthread_complete_and_exit+0x20/0x20\n  ? ret_from_fork+0x19/0x24\n\n[shorten subject, remove OCB, reorder cases to match previous list]"
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/wireless/nl80211.c"
               ],
               "versions": [
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "95f32191e50b",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "04053e55dd50",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "f4dbfda159e4",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "c628026563f4",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "203617128803",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/wireless/nl80211.c"
               ],
               "versions": [
                  {
                     "version": "6.1.113",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6.55",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.10.14",
                     "lessThanOrEqual": "6.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.11.3",
                     "lessThanOrEqual": "6.11.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.12-rc1",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/95f32191e50b75e0f75fae1bb925cdf51d8df0a3"
            },
            {
               "url": "https://git.kernel.org/stable/c/04053e55dd50741cf6c59b9bbaa4238218c05c70"
            },
            {
               "url": "https://git.kernel.org/stable/c/f4dbfda159e43d49b43003cc3c2914751939035f"
            },
            {
               "url": "https://git.kernel.org/stable/c/c628026563f4ea9e0413dd4b69429e4a1db240b1"
            },
            {
               "url": "https://git.kernel.org/stable/c/20361712880396e44ce80aaeec2d93d182035651"
            }
         ],
         "title": "wifi: cfg80211: Set correct chandef when starting CAC",
         "x_generator": {
            "engine": "bippy-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-49937",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}