cve-2024-35855
Vulnerability from cvelistv5
Published
2024-05-17 14:47
Modified
2024-08-02 03:21
Severity
Summary
mlxsw: spectrum_acl_tcam: Fix possible use-after-free during activity update
References
SourceURLTags
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1b73f6e4ea770410a937a8db98f77e52594d23a0
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/79b5b4b18bc85b19d3a518483f9abbbe6d7b3ba4
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b183b915beef818a25e3154d719ca015a1ae0770
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b996e8699da810e4c915841d6aaef761007f933a
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c17976b42d546ee118ca300db559630ee96fb758
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e24d2487424779c02760ff50cd9021b8676e19ef
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/feabdac2057e863d0e140a2adf3d232eb4882db4
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
Impacted products
VendorProduct
LinuxLinux
LinuxLinux
Show details on NVD website

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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmlxsw: spectrum_acl_tcam: Fix possible use-after-free during activity update\n\nThe rule activity update delayed work periodically traverses the list of\nconfigured rules and queries their activity from the device.\n\nAs part of this task it accesses the entry pointed by \u0027ventry-\u003eentry\u0027,\nbut this entry can be changed concurrently by the rehash delayed work,\nleading to a use-after-free [1].\n\nFix by closing the race and perform the activity query under the\n\u0027vregion-\u003elock\u0027 mutex.\n\n[1]\nBUG: KASAN: slab-use-after-free in mlxsw_sp_acl_tcam_flower_rule_activity_get+0x121/0x140\nRead of size 8 at addr ffff8881054ed808 by task kworker/0:18/181\n\nCPU: 0 PID: 181 Comm: kworker/0:18 Not tainted 6.9.0-rc2-custom-00781-gd5ab772d32f7 #2\nHardware name: Mellanox Technologies Ltd. MSN3700/VMOD0005, BIOS 5.11 01/06/2019\nWorkqueue: mlxsw_core mlxsw_sp_acl_rule_activity_update_work\nCall Trace:\n \u003cTASK\u003e\n dump_stack_lvl+0xc6/0x120\n print_report+0xce/0x670\n kasan_report+0xd7/0x110\n mlxsw_sp_acl_tcam_flower_rule_activity_get+0x121/0x140\n mlxsw_sp_acl_rule_activity_update_work+0x219/0x400\n process_one_work+0x8eb/0x19b0\n worker_thread+0x6c9/0xf70\n kthread+0x2c9/0x3b0\n ret_from_fork+0x4d/0x80\n ret_from_fork_asm+0x1a/0x30\n \u003c/TASK\u003e\n\nAllocated by task 1039:\n kasan_save_stack+0x33/0x60\n kasan_save_track+0x14/0x30\n __kasan_kmalloc+0x8f/0xa0\n __kmalloc+0x19c/0x360\n mlxsw_sp_acl_tcam_entry_create+0x7b/0x1f0\n mlxsw_sp_acl_tcam_vchunk_migrate_all+0x30d/0xb50\n mlxsw_sp_acl_tcam_vregion_rehash_work+0x157/0x1300\n process_one_work+0x8eb/0x19b0\n worker_thread+0x6c9/0xf70\n kthread+0x2c9/0x3b0\n ret_from_fork+0x4d/0x80\n ret_from_fork_asm+0x1a/0x30\n\nFreed by task 1039:\n kasan_save_stack+0x33/0x60\n kasan_save_track+0x14/0x30\n kasan_save_free_info+0x3b/0x60\n poison_slab_object+0x102/0x170\n __kasan_slab_free+0x14/0x30\n kfree+0xc1/0x290\n mlxsw_sp_acl_tcam_vchunk_migrate_all+0x3d7/0xb50\n mlxsw_sp_acl_tcam_vregion_rehash_work+0x157/0x1300\n process_one_work+0x8eb/0x19b0\n worker_thread+0x6c9/0xf70\n kthread+0x2c9/0x3b0\n ret_from_fork+0x4d/0x80\n ret_from_fork_asm+0x1a/0x30"
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    "cveId": "CVE-2024-35855",
    "datePublished": "2024-05-17T14:47:31.436Z",
    "dateReserved": "2024-05-17T13:50:33.106Z",
    "dateUpdated": "2024-08-02T03:21:48.376Z",
    "state": "PUBLISHED"
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-35855\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-17T15:15:22.677\",\"lastModified\":\"2024-06-25T22:15:31.813\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmlxsw: spectrum_acl_tcam: Fix possible use-after-free during activity update\\n\\nThe rule activity update delayed work periodically traverses the list of\\nconfigured rules and queries their activity from the device.\\n\\nAs part of this task it accesses the entry pointed by \u0027ventry-\u003eentry\u0027,\\nbut this entry can be changed concurrently by the rehash delayed work,\\nleading to a use-after-free [1].\\n\\nFix by closing the race and perform the activity query under the\\n\u0027vregion-\u003elock\u0027 mutex.\\n\\n[1]\\nBUG: KASAN: slab-use-after-free in mlxsw_sp_acl_tcam_flower_rule_activity_get+0x121/0x140\\nRead of size 8 at addr ffff8881054ed808 by task kworker/0:18/181\\n\\nCPU: 0 PID: 181 Comm: kworker/0:18 Not tainted 6.9.0-rc2-custom-00781-gd5ab772d32f7 #2\\nHardware name: Mellanox Technologies Ltd. MSN3700/VMOD0005, BIOS 5.11 01/06/2019\\nWorkqueue: mlxsw_core mlxsw_sp_acl_rule_activity_update_work\\nCall Trace:\\n \u003cTASK\u003e\\n dump_stack_lvl+0xc6/0x120\\n print_report+0xce/0x670\\n kasan_report+0xd7/0x110\\n mlxsw_sp_acl_tcam_flower_rule_activity_get+0x121/0x140\\n mlxsw_sp_acl_rule_activity_update_work+0x219/0x400\\n process_one_work+0x8eb/0x19b0\\n worker_thread+0x6c9/0xf70\\n kthread+0x2c9/0x3b0\\n ret_from_fork+0x4d/0x80\\n ret_from_fork_asm+0x1a/0x30\\n \u003c/TASK\u003e\\n\\nAllocated by task 1039:\\n kasan_save_stack+0x33/0x60\\n kasan_save_track+0x14/0x30\\n __kasan_kmalloc+0x8f/0xa0\\n __kmalloc+0x19c/0x360\\n mlxsw_sp_acl_tcam_entry_create+0x7b/0x1f0\\n mlxsw_sp_acl_tcam_vchunk_migrate_all+0x30d/0xb50\\n mlxsw_sp_acl_tcam_vregion_rehash_work+0x157/0x1300\\n process_one_work+0x8eb/0x19b0\\n worker_thread+0x6c9/0xf70\\n kthread+0x2c9/0x3b0\\n ret_from_fork+0x4d/0x80\\n ret_from_fork_asm+0x1a/0x30\\n\\nFreed by task 1039:\\n kasan_save_stack+0x33/0x60\\n kasan_save_track+0x14/0x30\\n kasan_save_free_info+0x3b/0x60\\n poison_slab_object+0x102/0x170\\n __kasan_slab_free+0x14/0x30\\n kfree+0xc1/0x290\\n mlxsw_sp_acl_tcam_vchunk_migrate_all+0x3d7/0xb50\\n mlxsw_sp_acl_tcam_vregion_rehash_work+0x157/0x1300\\n process_one_work+0x8eb/0x19b0\\n worker_thread+0x6c9/0xf70\\n kthread+0x2c9/0x3b0\\n ret_from_fork+0x4d/0x80\\n ret_from_fork_asm+0x1a/0x30\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mlxsw: spectrum_acl_tcam: corrige posible use after free durante la actualizaci\u00f3n de la actividad. El trabajo retrasado de la actualizaci\u00f3n de la actividad de la regla recorre peri\u00f3dicamente la lista de reglas configuradas y consulta su actividad desde el dispositivo. Como parte de esta tarea, accede a la entrada se\u00f1alada por \u0027ventry-\u0026gt;entry\u0027, pero esta entrada puede cambiarse simult\u00e1neamente mediante el trabajo retrasado del rehash, lo que lleva a un use after free [1]. Para solucionarlo, cierre la ejecuci\u00f3n y realice la consulta de actividad en el mutex \u0027vregion-\u0026gt;lock\u0027. [1] ERROR: KASAN: slab-use-after-free en mlxsw_sp_acl_tcam_flower_rule_activity_get+0x121/0x140 Lectura del tama\u00f1o 8 en la direcci\u00f3n ffff8881054ed808 por tarea kworker/0:18/181 CPU: 0 PID: 181 Comm: kworker/0:18 Not tainted 6.9.0-rc2-custom-00781-gd5ab772d32f7 #2 Nombre del hardware: Mellanox Technologies Ltd. MSN3700/VMOD0005, BIOS 5.11 06/01/2019 Cola de trabajo: mlxsw_core mlxsw_sp_acl_rule_activity_update_work Seguimiento de llamadas:  dump_stack_lvl+0xc 6/0x120 print_report+0xce /0x670 kasan_report+0xd7/0x110 mlxsw_sp_acl_tcam_flower_rule_activity_get+0x121/0x140 mlxsw_sp_acl_rule_activity_update_work+0x219/0x400 Process_one_work+0x8eb/0x19b0 worker_thread+0x6c9/0xf70 0x2c9/0x3b0 ret_from_fork+0x4d/0x80 ret_from_fork_asm+0x1a/0x30  Asignado por tarea 1039 : kasan_save_stack+0x33/0x60 kasan_save_track+0x14/0x30 __kasan_kmalloc+0x8f/0xa0 __kmalloc+0x19c/0x360 mlxsw_sp_acl_tcam_entry_create+0x7b/0x1f0 mlxsw_sp_acl_tcam_vchunk_migrate_all+0x 30d/0xb50 mlxsw_sp_acl_tcam_vregion_rehash_work+0x157/0x1300 process_one_work+0x8eb/0x19b0 worker_thread+0x6c9/0xf70 kthread+0x2c9/ 0x3b0 ret_from_fork+0x4d/0x80 ret_from_fork_asm+0x1a/0x30 Liberado por la tarea 1039: kasan_save_stack+0x33/0x60 kasan_save_track+0x14/0x30 kasan_save_free_info+0x3b/0x60 170 __kasan_slab_free+0x14/0x30 kfree+0xc1/0x290 mlxsw_sp_acl_tcam_vchunk_migrate_all+0x3d7/ 0xb50 mlxsw_sp_acl_tcam_vregion_rehash_work+0x157/0x1300 process_one_work+0x8eb/0x19b0 worker_thread+0x6c9/0xf70 kthread+0x2c9/0x3b0 ret_from_fork+0x4d/0x80 ret_from_fork_asm+0x1a/0x 30\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1b73f6e4ea770410a937a8db98f77e52594d23a0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/79b5b4b18bc85b19d3a518483f9abbbe6d7b3ba4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b183b915beef818a25e3154d719ca015a1ae0770\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b996e8699da810e4c915841d6aaef761007f933a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c17976b42d546ee118ca300db559630ee96fb758\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e24d2487424779c02760ff50cd9021b8676e19ef\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/feabdac2057e863d0e140a2adf3d232eb4882db4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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