CVE-2024-40942 (GCVE-0-2024-40942)

Vulnerability from cvelistv5 – Published: 2024-07-12 12:25 – Updated: 2026-05-12 11:55
VLAI?
Title
wifi: mac80211: mesh: Fix leak of mesh_preq_queue objects
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
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 050ac52cbe1f3de2fb0d06f02c7919ae1f691c9e , < 377dbb220edc8421b7960691876c5b3bef62f89b (git)
Affected: 050ac52cbe1f3de2fb0d06f02c7919ae1f691c9e , < ec79670eae430b3ffb7e0a6417ad7657728b8f95 (git)
Affected: 050ac52cbe1f3de2fb0d06f02c7919ae1f691c9e , < 7518e20a189f8659b8b83969db4d33a4068fcfc3 (git)
Affected: 050ac52cbe1f3de2fb0d06f02c7919ae1f691c9e , < c4c865f971fd4a255208f57ef04d814c2ae9e0dc (git)
Affected: 050ac52cbe1f3de2fb0d06f02c7919ae1f691c9e , < 617dadbfb2d3e152c5753e28356d189c9d6f33c0 (git)
Affected: 050ac52cbe1f3de2fb0d06f02c7919ae1f691c9e , < 63d5f89bb5664d60edbf8cf0df911aaae8ed96a4 (git)
Affected: 050ac52cbe1f3de2fb0d06f02c7919ae1f691c9e , < d81e244af521de63ad2883e17571b789c39b6549 (git)
Affected: 050ac52cbe1f3de2fb0d06f02c7919ae1f691c9e , < b7d7f11a291830fdf69d3301075dd0fb347ced84 (git)
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Linux Linux Affected: 2.6.26
Unaffected: 0 , < 2.6.26 (semver)
Unaffected: 4.19.317 , ≤ 4.19.* (semver)
Unaffected: 5.4.279 , ≤ 5.4.* (semver)
Unaffected: 5.10.221 , ≤ 5.10.* (semver)
Unaffected: 5.15.162 , ≤ 5.15.* (semver)
Unaffected: 6.1.95 , ≤ 6.1.* (semver)
Unaffected: 6.6.35 , ≤ 6.6.* (semver)
Unaffected: 6.9.6 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)
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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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    },
    "fkie_nvd": {
      "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\"}]",
      "id": "CVE-2024-40942",
      "lastModified": "2024-11-21T09:31:55.097",
      "published": "2024-07-12T13:15:16.520",
      "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\"}]",
      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "vulnStatus": "Awaiting Analysis"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-40942\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-07-12T13:15:16.520\",\"lastModified\":\"2026-05-12T12:17:00.027\",\"vulnStatus\":\"Modified\",\"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\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-401\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.6.26\",\"versionEndExcluding\":\"4.19.317\",\"matchCriteriaId\":\"C31EB329-7D9E-41C3-AFD2-2ADF9C2A5801\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.279\",\"matchCriteriaId\":\"F4E38E58-1B9F-4DF2-AD3D-A8BEAA2959D8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.221\",\"matchCriteriaId\":\"659E1520-6345-41AF-B893-A7C0647585A0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.162\",\"matchCriteriaId\":\"10A39ACC-3005-40E8-875C-98A372D1FFD5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.95\",\"matchCriteriaId\":\"D435765D-2766-44F5-B319-F713A13E35CE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.35\",\"matchCriteriaId\":\"6F019D15-84C0-416B-8C57-7F51B68992F0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.9.6\",\"matchCriteriaId\":\"0ABBBA1D-F79D-4BDB-AA41-D1EDCC4A6975\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.10:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"2EBB4392-5FA6-4DA9-9772-8F9C750109FA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.10:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"331C2F14-12C7-45D5-893D-8C52EE38EA10\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/377dbb220edc8421b7960691876c5b3bef62f89b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/617dadbfb2d3e152c5753e28356d189c9d6f33c0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/63d5f89bb5664d60edbf8cf0df911aaae8ed96a4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/7518e20a189f8659b8b83969db4d33a4068fcfc3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b7d7f11a291830fdf69d3301075dd0fb347ced84\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c4c865f971fd4a255208f57ef04d814c2ae9e0dc\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d81e244af521de63ad2883e17571b789c39b6549\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ec79670eae430b3ffb7e0a6417ad7657728b8f95\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/377dbb220edc8421b7960691876c5b3bef62f89b\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/617dadbfb2d3e152c5753e28356d189c9d6f33c0\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/63d5f89bb5664d60edbf8cf0df911aaae8ed96a4\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/7518e20a189f8659b8b83969db4d33a4068fcfc3\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b7d7f11a291830fdf69d3301075dd0fb347ced84\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c4c865f971fd4a255208f57ef04d814c2ae9e0dc\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d81e244af521de63ad2883e17571b789c39b6549\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ec79670eae430b3ffb7e0a6417ad7657728b8f95\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://cert-portal.siemens.com/productcert/html/ssa-265688.html\",\"source\":\"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\"},{\"url\":\"https://cert-portal.siemens.com/productcert/html/ssa-355557.html\",\"source\":\"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://git.kernel.org/stable/c/377dbb220edc8421b7960691876c5b3bef62f89b\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/ec79670eae430b3ffb7e0a6417ad7657728b8f95\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/7518e20a189f8659b8b83969db4d33a4068fcfc3\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/c4c865f971fd4a255208f57ef04d814c2ae9e0dc\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/617dadbfb2d3e152c5753e28356d189c9d6f33c0\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/63d5f89bb5664d60edbf8cf0df911aaae8ed96a4\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/d81e244af521de63ad2883e17571b789c39b6549\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/b7d7f11a291830fdf69d3301075dd0fb347ced84\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-11-03T21:58:11.294Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-40942\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-10T17:04:23.938409Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-11T12:42:22.574Z\"}}], \"cna\": {\"title\": \"wifi: mac80211: mesh: Fix leak of mesh_preq_queue objects\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"050ac52cbe1f3de2fb0d06f02c7919ae1f691c9e\", \"lessThan\": \"377dbb220edc8421b7960691876c5b3bef62f89b\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"050ac52cbe1f3de2fb0d06f02c7919ae1f691c9e\", \"lessThan\": \"ec79670eae430b3ffb7e0a6417ad7657728b8f95\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"050ac52cbe1f3de2fb0d06f02c7919ae1f691c9e\", \"lessThan\": \"7518e20a189f8659b8b83969db4d33a4068fcfc3\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"050ac52cbe1f3de2fb0d06f02c7919ae1f691c9e\", \"lessThan\": \"c4c865f971fd4a255208f57ef04d814c2ae9e0dc\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"050ac52cbe1f3de2fb0d06f02c7919ae1f691c9e\", \"lessThan\": \"617dadbfb2d3e152c5753e28356d189c9d6f33c0\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"050ac52cbe1f3de2fb0d06f02c7919ae1f691c9e\", \"lessThan\": \"63d5f89bb5664d60edbf8cf0df911aaae8ed96a4\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"050ac52cbe1f3de2fb0d06f02c7919ae1f691c9e\", \"lessThan\": \"d81e244af521de63ad2883e17571b789c39b6549\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"050ac52cbe1f3de2fb0d06f02c7919ae1f691c9e\", \"lessThan\": \"b7d7f11a291830fdf69d3301075dd0fb347ced84\", \"versionType\": \"git\"}], \"programFiles\": [\"net/mac80211/mesh_pathtbl.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"2.6.26\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"2.6.26\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"4.19.317\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.19.*\"}, {\"status\": \"unaffected\", \"version\": \"5.4.279\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.221\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.162\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.95\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.35\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.9.6\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.9.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"net/mac80211/mesh_pathtbl.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/377dbb220edc8421b7960691876c5b3bef62f89b\"}, {\"url\": \"https://git.kernel.org/stable/c/ec79670eae430b3ffb7e0a6417ad7657728b8f95\"}, {\"url\": \"https://git.kernel.org/stable/c/7518e20a189f8659b8b83969db4d33a4068fcfc3\"}, {\"url\": \"https://git.kernel.org/stable/c/c4c865f971fd4a255208f57ef04d814c2ae9e0dc\"}, {\"url\": \"https://git.kernel.org/stable/c/617dadbfb2d3e152c5753e28356d189c9d6f33c0\"}, {\"url\": \"https://git.kernel.org/stable/c/63d5f89bb5664d60edbf8cf0df911aaae8ed96a4\"}, {\"url\": \"https://git.kernel.org/stable/c/d81e244af521de63ad2883e17571b789c39b6549\"}, {\"url\": \"https://git.kernel.org/stable/c/b7d7f11a291830fdf69d3301075dd0fb347ced84\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"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\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.317\", \"versionStartIncluding\": \"2.6.26\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.279\", \"versionStartIncluding\": \"2.6.26\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.221\", \"versionStartIncluding\": \"2.6.26\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.162\", \"versionStartIncluding\": \"2.6.26\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.95\", \"versionStartIncluding\": \"2.6.26\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.35\", \"versionStartIncluding\": \"2.6.26\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.9.6\", \"versionStartIncluding\": \"2.6.26\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10\", \"versionStartIncluding\": \"2.6.26\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T09:18:27.736Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-40942\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-11-03T21:58:11.294Z\", \"dateReserved\": \"2024-07-12T12:17:45.587Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-07-12T12:25:17.149Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.