{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "cveId": "CVE-2024-26896", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-19T14:20:24.186Z", "datePublished": "2024-04-17T10:27:47.214Z", "dateUpdated": "2024-08-02T00:21:05.675Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-05-29T05:24:38.853Z" }, "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 [] __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 [] 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 [] netlink_sendmsg+0x1e8/0x428\n [] ____sys_sendmsg+0x1e0/0x274\n [] ___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 [] kmalloc_reserve.constprop.0+0x30/0x74\n [] __alloc_skb+0xa0/0x170\n [] __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 [] 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 [] netlink_sendmsg+0x1e8/0x428\n [] ____sys_sendmsg+0x1e0/0x274\n [] ___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" } }, "adp": [ { "title": "CISA ADP Vulnrichment", "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2024-26896", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "version": "2.0.3", "timestamp": "2024-05-13T16:49:12.892582Z" } } } ], "affected": [ { "cpes": [ "cpe:2.3:o:linux:linux_kernel:5.10:-:*:*:*:*:*:*" ], "vendor": "linux", "product": "linux_kernel", "versions": [ { "status": "affected", "version": "5.10" } ], "defaultStatus": "unknown" }, { "cpes": [ "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*" ], "vendor": "linux", "product": "linux_kernel", "versions": [ { "status": "affected", "version": "268bceec1684", "lessThan": "a1f57a0127b8", "versionType": "custom" } ], "defaultStatus": "unknown" } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "type": "CWE", "cweId": "CWE-125", "description": "CWE-125 Out-of-bounds Read" } ] } ], "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:48:38.723Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T00:21:05.675Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/a1f57a0127b89a6b6620514564aa7eaec16d9af3", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/3a71ec74e5e3478d202a1874f085ca3ef40be49b", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/12f00a367b2b62756e0396f14b54c2c15524e1c3", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/dadbb5d29d6c5f571a50272fce8c1505a9559487", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/b8cfb7c819dd39965136a66fe3a7fde688d976fc", "tags": [ "x_transferred" ] } ] } ] } }