{
   "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: wfx: fix memory leak when starting AP\n\nKmemleak reported this error:\n\n    unreferenced object 0xd73d1180 (size 184):\n      comm \"wpa_supplicant\", pid 1559, jiffies 13006305 (age 964.245s)\n      hex dump (first 32 bytes):\n        00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n        00 00 00 00 00 00 00 00 1e 00 01 00 00 00 00 00  ................\n      backtrace:\n        [<5ca11420>] kmem_cache_alloc+0x20c/0x5ac\n        [<127bdd74>] __alloc_skb+0x144/0x170\n        [<fb8a5e38>] __netdev_alloc_skb+0x50/0x180\n        [<0f9fa1d5>] __ieee80211_beacon_get+0x290/0x4d4 [mac80211]\n        [<7accd02d>] ieee80211_beacon_get_tim+0x54/0x18c [mac80211]\n        [<41e25cc3>] wfx_start_ap+0xc8/0x234 [wfx]\n        [<93a70356>] ieee80211_start_ap+0x404/0x6b4 [mac80211]\n        [<a4a661cd>] nl80211_start_ap+0x76c/0x9e0 [cfg80211]\n        [<47bd8b68>] genl_rcv_msg+0x198/0x378\n        [<453ef796>] netlink_rcv_skb+0xd0/0x130\n        [<6b7c977a>] genl_rcv+0x34/0x44\n        [<66b2d04d>] netlink_unicast+0x1b4/0x258\n        [<f965b9b6>] netlink_sendmsg+0x1e8/0x428\n        [<aadb8231>] ____sys_sendmsg+0x1e0/0x274\n        [<d2b5212d>] ___sys_sendmsg+0x80/0xb4\n        [<69954f45>] __sys_sendmsg+0x64/0xa8\n    unreferenced object 0xce087000 (size 1024):\n      comm \"wpa_supplicant\", pid 1559, jiffies 13006305 (age 964.246s)\n      hex dump (first 32 bytes):\n        00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n        10 00 07 40 00 00 00 00 00 00 00 00 00 00 00 00  ...@............\n      backtrace:\n        [<9a993714>] __kmalloc_track_caller+0x230/0x600\n        [<f83ea192>] kmalloc_reserve.constprop.0+0x30/0x74\n        [<a2c61343>] __alloc_skb+0xa0/0x170\n        [<fb8a5e38>] __netdev_alloc_skb+0x50/0x180\n        [<0f9fa1d5>] __ieee80211_beacon_get+0x290/0x4d4 [mac80211]\n        [<7accd02d>] ieee80211_beacon_get_tim+0x54/0x18c [mac80211]\n        [<41e25cc3>] wfx_start_ap+0xc8/0x234 [wfx]\n        [<93a70356>] ieee80211_start_ap+0x404/0x6b4 [mac80211]\n        [<a4a661cd>] nl80211_start_ap+0x76c/0x9e0 [cfg80211]\n        [<47bd8b68>] genl_rcv_msg+0x198/0x378\n        [<453ef796>] netlink_rcv_skb+0xd0/0x130\n        [<6b7c977a>] genl_rcv+0x34/0x44\n        [<66b2d04d>] netlink_unicast+0x1b4/0x258\n        [<f965b9b6>] netlink_sendmsg+0x1e8/0x428\n        [<aadb8231>] ____sys_sendmsg+0x1e0/0x274\n        [<d2b5212d>] ___sys_sendmsg+0x80/0xb4\n\nHowever, since the kernel is build optimized, it seems the stack is not\naccurate. It appears the issue is related to wfx_set_mfp_ap(). The issue\nis obvious in this function: memory allocated by ieee80211_beacon_get()\nis never released. Fixing this leak makes kmemleak happy."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/net/wireless/silabs/wfx/sta.c"
               ],
               "versions": [
                  {
                     "version": "268bceec1684",
                     "lessThan": "a1f57a0127b8",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "268bceec1684",
                     "lessThan": "3a71ec74e5e3",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "268bceec1684",
                     "lessThan": "12f00a367b2b",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "268bceec1684",
                     "lessThan": "dadbb5d29d6c",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "268bceec1684",
                     "lessThan": "b8cfb7c819dd",
                     "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/silabs/wfx/sta.c"
               ],
               "versions": [
                  {
                     "version": "5.10",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "5.10",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1.83",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6.23",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.7.11",
                     "lessThanOrEqual": "6.7.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.8.2",
                     "lessThanOrEqual": "6.8.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.9",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/a1f57a0127b89a6b6620514564aa7eaec16d9af3"
            },
            {
               "url": "https://git.kernel.org/stable/c/3a71ec74e5e3478d202a1874f085ca3ef40be49b"
            },
            {
               "url": "https://git.kernel.org/stable/c/12f00a367b2b62756e0396f14b54c2c15524e1c3"
            },
            {
               "url": "https://git.kernel.org/stable/c/dadbb5d29d6c5f571a50272fce8c1505a9559487"
            },
            {
               "url": "https://git.kernel.org/stable/c/b8cfb7c819dd39965136a66fe3a7fde688d976fc"
            }
         ],
         "title": "wifi: wfx: fix memory leak when starting AP",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-26896",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}