CVE-2024-40942
Vulnerability from cvelistv5
Published
2024-07-12 12:25
Modified
2024-12-19 09:08
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: mesh: Fix leak of mesh_preq_queue objects The hwmp code use objects of type mesh_preq_queue, added to a list in ieee80211_if_mesh, to keep track of mpath we need to resolve. If the mpath gets deleted, ex mesh interface is removed, the entries in that list will never get cleaned. Fix this by flushing all corresponding items of the preq_queue in mesh_path_flush_pending(). This should take care of KASAN reports like this: unreferenced object 0xffff00000668d800 (size 128): comm "kworker/u8:4", pid 67, jiffies 4295419552 (age 1836.444s) hex dump (first 32 bytes): 00 1f 05 09 00 00 ff ff 00 d5 68 06 00 00 ff ff ..........h..... 8e 97 ea eb 3e b8 01 00 00 00 00 00 00 00 00 00 ....>........... backtrace: [<000000007302a0b6>] __kmem_cache_alloc_node+0x1e0/0x35c [<00000000049bd418>] kmalloc_trace+0x34/0x80 [<0000000000d792bb>] mesh_queue_preq+0x44/0x2a8 [<00000000c99c3696>] mesh_nexthop_resolve+0x198/0x19c [<00000000926bf598>] ieee80211_xmit+0x1d0/0x1f4 [<00000000fc8c2284>] __ieee80211_subif_start_xmit+0x30c/0x764 [<000000005926ee38>] ieee80211_subif_start_xmit+0x9c/0x7a4 [<000000004c86e916>] dev_hard_start_xmit+0x174/0x440 [<0000000023495647>] __dev_queue_xmit+0xe24/0x111c [<00000000cfe9ca78>] batadv_send_skb_packet+0x180/0x1e4 [<000000007bacc5d5>] batadv_v_elp_periodic_work+0x2f4/0x508 [<00000000adc3cd94>] process_one_work+0x4b8/0xa1c [<00000000b36425d1>] worker_thread+0x9c/0x634 [<0000000005852dd5>] kthread+0x1bc/0x1c4 [<000000005fccd770>] ret_from_fork+0x10/0x20 unreferenced object 0xffff000009051f00 (size 128): comm "kworker/u8:4", pid 67, jiffies 4295419553 (age 1836.440s) hex dump (first 32 bytes): 90 d6 92 0d 00 00 ff ff 00 d8 68 06 00 00 ff ff ..........h..... 36 27 92 e4 02 e0 01 00 00 58 79 06 00 00 ff ff 6'.......Xy..... backtrace: [<000000007302a0b6>] __kmem_cache_alloc_node+0x1e0/0x35c [<00000000049bd418>] kmalloc_trace+0x34/0x80 [<0000000000d792bb>] mesh_queue_preq+0x44/0x2a8 [<00000000c99c3696>] mesh_nexthop_resolve+0x198/0x19c [<00000000926bf598>] ieee80211_xmit+0x1d0/0x1f4 [<00000000fc8c2284>] __ieee80211_subif_start_xmit+0x30c/0x764 [<000000005926ee38>] ieee80211_subif_start_xmit+0x9c/0x7a4 [<000000004c86e916>] dev_hard_start_xmit+0x174/0x440 [<0000000023495647>] __dev_queue_xmit+0xe24/0x111c [<00000000cfe9ca78>] batadv_send_skb_packet+0x180/0x1e4 [<000000007bacc5d5>] batadv_v_elp_periodic_work+0x2f4/0x508 [<00000000adc3cd94>] process_one_work+0x4b8/0xa1c [<00000000b36425d1>] worker_thread+0x9c/0x634 [<0000000005852dd5>] kthread+0x1bc/0x1c4 [<000000005fccd770>] ret_from_fork+0x10/0x20
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/377dbb220edc8421b7960691876c5b3bef62f89b
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/617dadbfb2d3e152c5753e28356d189c9d6f33c0
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/63d5f89bb5664d60edbf8cf0df911aaae8ed96a4
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7518e20a189f8659b8b83969db4d33a4068fcfc3
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b7d7f11a291830fdf69d3301075dd0fb347ced84
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c4c865f971fd4a255208f57ef04d814c2ae9e0dc
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d81e244af521de63ad2883e17571b789c39b6549
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ec79670eae430b3ffb7e0a6417ad7657728b8f95
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/377dbb220edc8421b7960691876c5b3bef62f89b
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/617dadbfb2d3e152c5753e28356d189c9d6f33c0
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/63d5f89bb5664d60edbf8cf0df911aaae8ed96a4
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/7518e20a189f8659b8b83969db4d33a4068fcfc3
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/b7d7f11a291830fdf69d3301075dd0fb347ced84
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/c4c865f971fd4a255208f57ef04d814c2ae9e0dc
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/d81e244af521de63ad2883e17571b789c39b6549
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ec79670eae430b3ffb7e0a6417ad7657728b8f95
Impacted products
Vendor Product Version
Linux Linux Version: 2.6.26
Show details on NVD website

To clipboard 

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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: mesh: Fix leak of mesh_preq_queue objects\n\nThe hwmp code use objects of type mesh_preq_queue, added to a list in\nieee80211_if_mesh, to keep track of mpath we need to resolve. If the mpath\ngets deleted, ex mesh interface is removed, the entries in that list will\nnever get cleaned. Fix this by flushing all corresponding items of the\npreq_queue in mesh_path_flush_pending().\n\nThis should take care of KASAN reports like this:\n\nunreferenced object 0xffff00000668d800 (size 128):\n  comm \"kworker/u8:4\", pid 67, jiffies 4295419552 (age 1836.444s)\n  hex dump (first 32 bytes):\n    00 1f 05 09 00 00 ff ff 00 d5 68 06 00 00 ff ff  ..........h.....\n    8e 97 ea eb 3e b8 01 00 00 00 00 00 00 00 00 00  ....\u003e...........\n  backtrace:\n    [\u003c000000007302a0b6\u003e] __kmem_cache_alloc_node+0x1e0/0x35c\n    [\u003c00000000049bd418\u003e] kmalloc_trace+0x34/0x80\n    [\u003c0000000000d792bb\u003e] mesh_queue_preq+0x44/0x2a8\n    [\u003c00000000c99c3696\u003e] mesh_nexthop_resolve+0x198/0x19c\n    [\u003c00000000926bf598\u003e] ieee80211_xmit+0x1d0/0x1f4\n    [\u003c00000000fc8c2284\u003e] __ieee80211_subif_start_xmit+0x30c/0x764\n    [\u003c000000005926ee38\u003e] ieee80211_subif_start_xmit+0x9c/0x7a4\n    [\u003c000000004c86e916\u003e] dev_hard_start_xmit+0x174/0x440\n    [\u003c0000000023495647\u003e] __dev_queue_xmit+0xe24/0x111c\n    [\u003c00000000cfe9ca78\u003e] batadv_send_skb_packet+0x180/0x1e4\n    [\u003c000000007bacc5d5\u003e] batadv_v_elp_periodic_work+0x2f4/0x508\n    [\u003c00000000adc3cd94\u003e] process_one_work+0x4b8/0xa1c\n    [\u003c00000000b36425d1\u003e] worker_thread+0x9c/0x634\n    [\u003c0000000005852dd5\u003e] kthread+0x1bc/0x1c4\n    [\u003c000000005fccd770\u003e] ret_from_fork+0x10/0x20\nunreferenced object 0xffff000009051f00 (size 128):\n  comm \"kworker/u8:4\", pid 67, jiffies 4295419553 (age 1836.440s)\n  hex dump (first 32 bytes):\n    90 d6 92 0d 00 00 ff ff 00 d8 68 06 00 00 ff ff  ..........h.....\n    36 27 92 e4 02 e0 01 00 00 58 79 06 00 00 ff ff  6\u0027.......Xy.....\n  backtrace:\n    [\u003c000000007302a0b6\u003e] __kmem_cache_alloc_node+0x1e0/0x35c\n    [\u003c00000000049bd418\u003e] kmalloc_trace+0x34/0x80\n    [\u003c0000000000d792bb\u003e] mesh_queue_preq+0x44/0x2a8\n    [\u003c00000000c99c3696\u003e] mesh_nexthop_resolve+0x198/0x19c\n    [\u003c00000000926bf598\u003e] ieee80211_xmit+0x1d0/0x1f4\n    [\u003c00000000fc8c2284\u003e] __ieee80211_subif_start_xmit+0x30c/0x764\n    [\u003c000000005926ee38\u003e] ieee80211_subif_start_xmit+0x9c/0x7a4\n    [\u003c000000004c86e916\u003e] dev_hard_start_xmit+0x174/0x440\n    [\u003c0000000023495647\u003e] __dev_queue_xmit+0xe24/0x111c\n    [\u003c00000000cfe9ca78\u003e] batadv_send_skb_packet+0x180/0x1e4\n    [\u003c000000007bacc5d5\u003e] batadv_v_elp_periodic_work+0x2f4/0x508\n    [\u003c00000000adc3cd94\u003e] process_one_work+0x4b8/0xa1c\n    [\u003c00000000b36425d1\u003e] worker_thread+0x9c/0x634\n    [\u003c0000000005852dd5\u003e] kthread+0x1bc/0x1c4\n    [\u003c000000005fccd770\u003e] ret_from_fork+0x10/0x20"
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2024-40942",
    "datePublished": "2024-07-12T12:25:17.149Z",
    "dateReserved": "2024-07-12T12:17:45.587Z",
    "dateUpdated": "2024-12-19T09:08:38.678Z",
    "state": "PUBLISHED"
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  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-40942\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-07-12T13:15:16.520\",\"lastModified\":\"2024-11-21T09:31:55.097\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nwifi: mac80211: mesh: Fix leak of mesh_preq_queue objects\\n\\nThe hwmp code use objects of type mesh_preq_queue, added to a list in\\nieee80211_if_mesh, to keep track of mpath we need to resolve. If the mpath\\ngets deleted, ex mesh interface is removed, the entries in that list will\\nnever get cleaned. Fix this by flushing all corresponding items of the\\npreq_queue in mesh_path_flush_pending().\\n\\nThis should take care of KASAN reports like this:\\n\\nunreferenced object 0xffff00000668d800 (size 128):\\n  comm \\\"kworker/u8:4\\\", pid 67, jiffies 4295419552 (age 1836.444s)\\n  hex dump (first 32 bytes):\\n    00 1f 05 09 00 00 ff ff 00 d5 68 06 00 00 ff ff  ..........h.....\\n    8e 97 ea eb 3e b8 01 00 00 00 00 00 00 00 00 00  ....\u003e...........\\n  backtrace:\\n    [\u003c000000007302a0b6\u003e] __kmem_cache_alloc_node+0x1e0/0x35c\\n    [\u003c00000000049bd418\u003e] kmalloc_trace+0x34/0x80\\n    [\u003c0000000000d792bb\u003e] mesh_queue_preq+0x44/0x2a8\\n    [\u003c00000000c99c3696\u003e] mesh_nexthop_resolve+0x198/0x19c\\n    [\u003c00000000926bf598\u003e] ieee80211_xmit+0x1d0/0x1f4\\n    [\u003c00000000fc8c2284\u003e] __ieee80211_subif_start_xmit+0x30c/0x764\\n    [\u003c000000005926ee38\u003e] ieee80211_subif_start_xmit+0x9c/0x7a4\\n    [\u003c000000004c86e916\u003e] dev_hard_start_xmit+0x174/0x440\\n    [\u003c0000000023495647\u003e] __dev_queue_xmit+0xe24/0x111c\\n    [\u003c00000000cfe9ca78\u003e] batadv_send_skb_packet+0x180/0x1e4\\n    [\u003c000000007bacc5d5\u003e] batadv_v_elp_periodic_work+0x2f4/0x508\\n    [\u003c00000000adc3cd94\u003e] process_one_work+0x4b8/0xa1c\\n    [\u003c00000000b36425d1\u003e] worker_thread+0x9c/0x634\\n    [\u003c0000000005852dd5\u003e] kthread+0x1bc/0x1c4\\n    [\u003c000000005fccd770\u003e] ret_from_fork+0x10/0x20\\nunreferenced object 0xffff000009051f00 (size 128):\\n  comm \\\"kworker/u8:4\\\", pid 67, jiffies 4295419553 (age 1836.440s)\\n  hex dump (first 32 bytes):\\n    90 d6 92 0d 00 00 ff ff 00 d8 68 06 00 00 ff ff  ..........h.....\\n    36 27 92 e4 02 e0 01 00 00 58 79 06 00 00 ff ff  6\u0027.......Xy.....\\n  backtrace:\\n    [\u003c000000007302a0b6\u003e] __kmem_cache_alloc_node+0x1e0/0x35c\\n    [\u003c00000000049bd418\u003e] kmalloc_trace+0x34/0x80\\n    [\u003c0000000000d792bb\u003e] mesh_queue_preq+0x44/0x2a8\\n    [\u003c00000000c99c3696\u003e] mesh_nexthop_resolve+0x198/0x19c\\n    [\u003c00000000926bf598\u003e] ieee80211_xmit+0x1d0/0x1f4\\n    [\u003c00000000fc8c2284\u003e] __ieee80211_subif_start_xmit+0x30c/0x764\\n    [\u003c000000005926ee38\u003e] ieee80211_subif_start_xmit+0x9c/0x7a4\\n    [\u003c000000004c86e916\u003e] dev_hard_start_xmit+0x174/0x440\\n    [\u003c0000000023495647\u003e] __dev_queue_xmit+0xe24/0x111c\\n    [\u003c00000000cfe9ca78\u003e] batadv_send_skb_packet+0x180/0x1e4\\n    [\u003c000000007bacc5d5\u003e] batadv_v_elp_periodic_work+0x2f4/0x508\\n    [\u003c00000000adc3cd94\u003e] process_one_work+0x4b8/0xa1c\\n    [\u003c00000000b36425d1\u003e] worker_thread+0x9c/0x634\\n    [\u003c0000000005852dd5\u003e] kthread+0x1bc/0x1c4\\n    [\u003c000000005fccd770\u003e] ret_from_fork+0x10/0x20\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: wifi: mac80211: mesh: corrige la fuga de objetos mesh_preq_queue El c\u00f3digo hwmp usa objetos de tipo mesh_preq_queue, agregados a una lista en ieee80211_if_mesh, para realizar un seguimiento del mpath que necesitamos resolver. Si se elimina mpath, se elimina la interfaz ex mesh, las entradas en esa lista nunca se limpiar\u00e1n. Solucione este problema eliminando todos los elementos correspondientes de preq_queue en mesh_path_flush_pending(). Esto deber\u00eda encargarse de informes KASAN como este: objeto sin referencia 0xffff00000668d800 (tama\u00f1o 128): comm \\\"kworker/u8:4\\\", pid 67, jiffies 4295419552 (edad 1836.444s) volcado hexadecimal (primeros 32 bytes): 00 1f 05 09 00 00 ff ff 00 d5 68 06 00 00 ff ff ..........h..... 8e 97 ea eb 3e b8 01 00 00 00 00 00 00 00 00 00 ....\u0026gt;.. ......... retroceso: [\u0026lt;000000007302a0b6\u0026gt;] __kmem_cache_alloc_node+0x1e0/0x35c [\u0026lt;00000000049bd418\u0026gt;] kmalloc_trace+0x34/0x80 [\u0026lt;0000000000d792bb\u0026gt;] 8 [\u0026lt;00000000c99c3696\u0026gt;] mesh_nexthop_resolve+0x198/ 0x19c [\u0026lt;00000000926bf598\u0026gt;] ieee80211_xmit+0x1d0/0x1f4 [\u0026lt;00000000fc8c2284\u0026gt;] __ieee80211_subif_start_xmit+0x30c/0x764 [\u0026lt;000000005926ee38\u0026gt;] 11_subif_start_xmit+0x9c/0x7a4 [\u0026lt;000000004c86e916\u0026gt;] dev_hard_start_xmit+0x174/0x440 [\u0026lt;0000000023495647\u0026gt;] __dev_queue_xmit+0xe24/ 0x111c [\u0026lt;00000000cfe9ca78\u0026gt;] batadv_send_skb_packet+0x180/0x1e4 [\u0026lt;000000007bacc5d5\u0026gt;] batadv_v_elp_periodic_work+0x2f4/0x508 [\u0026lt;00000000adc3cd94\u0026gt;] xa1c [\u0026lt;00000000b36425d1\u0026gt;] hilo_trabajador+0x9c/0x634 [\u0026lt;0000000005852dd5\u0026gt;] kthread+0x1bc/ 0x1c4 [\u0026lt;000000005fccd770\u0026gt;] ret_from_fork+0x10/0x20 objeto sin referencia 0xffff000009051f00 (tama\u00f1o 128): comm \\\"kworker/u8:4\\\", pid 67, jiffies 4295419553 (edad 1836.440s) volcado hexadecimal (primero 32 bytes): 90 d6 92 0d 00 00 ff ff 00 d8 68 06 00 00 ff ff ..........h..... 36 27 92 e4 02 e0 01 00 00 58 79 06 00 00 ff ff 6\u0027.... ...Xy..... retroceso: [\u0026lt;000000007302a0b6\u0026gt;] __kmem_cache_alloc_node+0x1e0/0x35c [\u0026lt;00000000049bd418\u0026gt;] kmalloc_trace+0x34/0x80 [\u0026lt;0000000000d792bb\u0026gt;] 0x2a8 [\u0026lt;00000000c99c3696\u0026gt;] mesh_nexthop_resolve+0x198/ 0x19c [\u0026lt;00000000926bf598\u0026gt;] ieee80211_xmit+0x1d0/0x1f4 [\u0026lt;00000000fc8c2284\u0026gt;] __ieee80211_subif_start_xmit+0x30c/0x764 [\u0026lt;000000005926ee38\u0026gt;] 11_subif_start_xmit+0x9c/0x7a4 [\u0026lt;000000004c86e916\u0026gt;] dev_hard_start_xmit+0x174/0x440 [\u0026lt;0000000023495647\u0026gt;] __dev_queue_xmit+0xe24/ 0x111c [\u0026lt;00000000cfe9ca78\u0026gt;] batadv_send_skb_packet+0x180/0x1e4 [\u0026lt;000000007bacc5d5\u0026gt;] batadv_v_elp_periodic_work+0x2f4/0x508 [\u0026lt;00000000adc3cd94\u0026gt;] xa1c [\u0026lt;00000000b36425d1\u0026gt;] hilo_trabajador+0x9c/0x634 [\u0026lt;0000000005852dd5\u0026gt;] kthread+0x1bc/ 0x1c4 [\u0026lt;000000005fccd770\u0026gt;] ret_from_fork+0x10/0x20\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/377dbb220edc8421b7960691876c5b3bef62f89b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/617dadbfb2d3e152c5753e28356d189c9d6f33c0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/63d5f89bb5664d60edbf8cf0df911aaae8ed96a4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7518e20a189f8659b8b83969db4d33a4068fcfc3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b7d7f11a291830fdf69d3301075dd0fb347ced84\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c4c865f971fd4a255208f57ef04d814c2ae9e0dc\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d81e244af521de63ad2883e17571b789c39b6549\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ec79670eae430b3ffb7e0a6417ad7657728b8f95\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/377dbb220edc8421b7960691876c5b3bef62f89b\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/617dadbfb2d3e152c5753e28356d189c9d6f33c0\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/63d5f89bb5664d60edbf8cf0df911aaae8ed96a4\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/7518e20a189f8659b8b83969db4d33a4068fcfc3\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/b7d7f11a291830fdf69d3301075dd0fb347ced84\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/c4c865f971fd4a255208f57ef04d814c2ae9e0dc\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/d81e244af521de63ad2883e17571b789c39b6549\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/ec79670eae430b3ffb7e0a6417ad7657728b8f95\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


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