ghsa-h2g5-mxp5-qrcx
Vulnerability from github
In the Linux kernel, the following vulnerability has been resolved:
memstick: rtsx_usb_ms: Fix slab-use-after-free in rtsx_usb_ms_drv_remove
This fixes the following crash:
================================================================== BUG: KASAN: slab-use-after-free in rtsx_usb_ms_poll_card+0x159/0x200 [rtsx_usb_ms] Read of size 8 at addr ffff888136335380 by task kworker/6:0/140241
CPU: 6 UID: 0 PID: 140241 Comm: kworker/6:0 Kdump: loaded Tainted: G E 6.14.0-rc6+ #1 Tainted: [E]=UNSIGNED_MODULE Hardware name: LENOVO 30FNA1V7CW/1057, BIOS S0EKT54A 07/01/2024 Workqueue: events rtsx_usb_ms_poll_card [rtsx_usb_ms] Call Trace: dump_stack_lvl+0x51/0x70 print_address_description.constprop.0+0x27/0x320 ? rtsx_usb_ms_poll_card+0x159/0x200 [rtsx_usb_ms] print_report+0x3e/0x70 kasan_report+0xab/0xe0 ? rtsx_usb_ms_poll_card+0x159/0x200 [rtsx_usb_ms] rtsx_usb_ms_poll_card+0x159/0x200 [rtsx_usb_ms] ? __pfx_rtsx_usb_ms_poll_card+0x10/0x10 [rtsx_usb_ms] ? __pfxschedule+0x10/0x10 ? kickpool+0x3b/0x270 process_one_work+0x357/0x660 worker_thread+0x390/0x4c0 ? pfx_worker_thread+0x10/0x10 kthread+0x190/0x1d0 ? __pfx_kthread+0x10/0x10 ret_from_fork+0x2d/0x50 ? __pfx_kthread+0x10/0x10 ret_from_fork_asm+0x1a/0x30
Allocated by task 161446: kasan_save_stack+0x20/0x40 kasan_save_track+0x10/0x30 __kasan_kmalloc+0x7b/0x90 __kmalloc_noprof+0x1a7/0x470 memstick_alloc_host+0x1f/0xe0 [memstick] rtsx_usb_ms_drv_probe+0x47/0x320 [rtsx_usb_ms] platform_probe+0x60/0xe0 call_driver_probe+0x35/0x120 really_probe+0x123/0x410 __driver_probe_device+0xc7/0x1e0 driver_probe_device+0x49/0xf0 __device_attach_driver+0xc6/0x160 bus_for_each_drv+0xe4/0x160 __device_attach+0x13a/0x2b0 bus_probe_device+0xbd/0xd0 device_add+0x4a5/0x760 platform_device_add+0x189/0x370 mfd_add_device+0x587/0x5e0 mfd_add_devices+0xb1/0x130 rtsx_usb_probe+0x28e/0x2e0 [rtsx_usb] usb_probe_interface+0x15c/0x460 call_driver_probe+0x35/0x120 really_probe+0x123/0x410 __driver_probe_device+0xc7/0x1e0 driver_probe_device+0x49/0xf0 __device_attach_driver+0xc6/0x160 bus_for_each_drv+0xe4/0x160 __device_attach+0x13a/0x2b0 rebind_marked_interfaces.isra.0+0xcc/0x110 usb_reset_device+0x352/0x410 usbdev_do_ioctl+0xe5c/0x1860 usbdev_ioctl+0xa/0x20 __x64_sys_ioctl+0xc5/0xf0 do_syscall_64+0x59/0x170 entry_SYSCALL_64_after_hwframe+0x76/0x7e
Freed by task 161506: kasan_save_stack+0x20/0x40 kasan_save_track+0x10/0x30 kasan_save_free_info+0x36/0x60 __kasan_slab_free+0x34/0x50 kfree+0x1fd/0x3b0 device_release+0x56/0xf0 kobject_cleanup+0x73/0x1c0 rtsx_usb_ms_drv_remove+0x13d/0x220 [rtsx_usb_ms] platform_remove+0x2f/0x50 device_release_driver_internal+0x24b/0x2e0 bus_remove_device+0x124/0x1d0 device_del+0x239/0x530 platform_device_del.part.0+0x19/0xe0 platform_device_unregister+0x1c/0x40 mfd_remove_devices_fn+0x167/0x170 device_for_each_child_reverse+0xc9/0x130 mfd_remove_devices+0x6e/0xa0 rtsx_usb_disconnect+0x2e/0xd0 [rtsx_usb] usb_unbind_interface+0xf3/0x3f0 device_release_driver_internal+0x24b/0x2e0 proc_disconnect_claim+0x13d/0x220 usbdev_do_ioctl+0xb5e/0x1860 usbdev_ioctl+0xa/0x20 __x64_sys_ioctl+0xc5/0xf0 do_syscall_64+0x59/0x170 entry_SYSCALL_64_after_hwframe+0x76/0x7e
Last potentially related work creation: kasan_save_stack+0x20/0x40 kasan_record_aux_stack+0x85/0x90 insert_work+0x29/0x100 __queue_work+0x34a/0x540 call_timer_fn+0x2a/0x160 expire_timers+0x5f/0x1f0 __run_timer_base.part.0+0x1b6/0x1e0 run_timer_softirq+0x8b/0xe0 handle_softirqs+0xf9/0x360 __irq_exit_rcu+0x114/0x130 sysvec_apic_timer_interrupt+0x72/0x90 asm_sysvec_apic_timer_interrupt+0x16/0x20
Second to last potentially related work creation: kasan_save_stack+0x20/0x40 kasan_record_aux_stack+0x85/0x90 insert_work+0x29/0x100 __queue_work+0x34a/0x540 call_timer_fn+0x2a/0x160 expire_timers+0x5f/0x1f0 __run_timer_base.part.0+0x1b6/0x1e0 run_timer_softirq+0x8b/0xe0 handle_softirqs+0xf9/0x ---truncated---
{
"affected": [],
"aliases": [
"CVE-2025-22020"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-04-16T11:15:42Z",
"severity": "HIGH"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmemstick: rtsx_usb_ms: Fix slab-use-after-free in rtsx_usb_ms_drv_remove\n\nThis fixes the following crash:\n\n==================================================================\nBUG: KASAN: slab-use-after-free in rtsx_usb_ms_poll_card+0x159/0x200 [rtsx_usb_ms]\nRead of size 8 at addr ffff888136335380 by task kworker/6:0/140241\n\nCPU: 6 UID: 0 PID: 140241 Comm: kworker/6:0 Kdump: loaded Tainted: G E 6.14.0-rc6+ #1\nTainted: [E]=UNSIGNED_MODULE\nHardware name: LENOVO 30FNA1V7CW/1057, BIOS S0EKT54A 07/01/2024\nWorkqueue: events rtsx_usb_ms_poll_card [rtsx_usb_ms]\nCall Trace:\n \u003cTASK\u003e\n dump_stack_lvl+0x51/0x70\n print_address_description.constprop.0+0x27/0x320\n ? rtsx_usb_ms_poll_card+0x159/0x200 [rtsx_usb_ms]\n print_report+0x3e/0x70\n kasan_report+0xab/0xe0\n ? rtsx_usb_ms_poll_card+0x159/0x200 [rtsx_usb_ms]\n rtsx_usb_ms_poll_card+0x159/0x200 [rtsx_usb_ms]\n ? __pfx_rtsx_usb_ms_poll_card+0x10/0x10 [rtsx_usb_ms]\n ? __pfx___schedule+0x10/0x10\n ? kick_pool+0x3b/0x270\n process_one_work+0x357/0x660\n worker_thread+0x390/0x4c0\n ? __pfx_worker_thread+0x10/0x10\n kthread+0x190/0x1d0\n ? __pfx_kthread+0x10/0x10\n ret_from_fork+0x2d/0x50\n ? __pfx_kthread+0x10/0x10\n ret_from_fork_asm+0x1a/0x30\n \u003c/TASK\u003e\n\nAllocated by task 161446:\n kasan_save_stack+0x20/0x40\n kasan_save_track+0x10/0x30\n __kasan_kmalloc+0x7b/0x90\n __kmalloc_noprof+0x1a7/0x470\n memstick_alloc_host+0x1f/0xe0 [memstick]\n rtsx_usb_ms_drv_probe+0x47/0x320 [rtsx_usb_ms]\n platform_probe+0x60/0xe0\n call_driver_probe+0x35/0x120\n really_probe+0x123/0x410\n __driver_probe_device+0xc7/0x1e0\n driver_probe_device+0x49/0xf0\n __device_attach_driver+0xc6/0x160\n bus_for_each_drv+0xe4/0x160\n __device_attach+0x13a/0x2b0\n bus_probe_device+0xbd/0xd0\n device_add+0x4a5/0x760\n platform_device_add+0x189/0x370\n mfd_add_device+0x587/0x5e0\n mfd_add_devices+0xb1/0x130\n rtsx_usb_probe+0x28e/0x2e0 [rtsx_usb]\n usb_probe_interface+0x15c/0x460\n call_driver_probe+0x35/0x120\n really_probe+0x123/0x410\n __driver_probe_device+0xc7/0x1e0\n driver_probe_device+0x49/0xf0\n __device_attach_driver+0xc6/0x160\n bus_for_each_drv+0xe4/0x160\n __device_attach+0x13a/0x2b0\n rebind_marked_interfaces.isra.0+0xcc/0x110\n usb_reset_device+0x352/0x410\n usbdev_do_ioctl+0xe5c/0x1860\n usbdev_ioctl+0xa/0x20\n __x64_sys_ioctl+0xc5/0xf0\n do_syscall_64+0x59/0x170\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\nFreed by task 161506:\n kasan_save_stack+0x20/0x40\n kasan_save_track+0x10/0x30\n kasan_save_free_info+0x36/0x60\n __kasan_slab_free+0x34/0x50\n kfree+0x1fd/0x3b0\n device_release+0x56/0xf0\n kobject_cleanup+0x73/0x1c0\n rtsx_usb_ms_drv_remove+0x13d/0x220 [rtsx_usb_ms]\n platform_remove+0x2f/0x50\n device_release_driver_internal+0x24b/0x2e0\n bus_remove_device+0x124/0x1d0\n device_del+0x239/0x530\n platform_device_del.part.0+0x19/0xe0\n platform_device_unregister+0x1c/0x40\n mfd_remove_devices_fn+0x167/0x170\n device_for_each_child_reverse+0xc9/0x130\n mfd_remove_devices+0x6e/0xa0\n rtsx_usb_disconnect+0x2e/0xd0 [rtsx_usb]\n usb_unbind_interface+0xf3/0x3f0\n device_release_driver_internal+0x24b/0x2e0\n proc_disconnect_claim+0x13d/0x220\n usbdev_do_ioctl+0xb5e/0x1860\n usbdev_ioctl+0xa/0x20\n __x64_sys_ioctl+0xc5/0xf0\n do_syscall_64+0x59/0x170\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\nLast potentially related work creation:\n kasan_save_stack+0x20/0x40\n kasan_record_aux_stack+0x85/0x90\n insert_work+0x29/0x100\n __queue_work+0x34a/0x540\n call_timer_fn+0x2a/0x160\n expire_timers+0x5f/0x1f0\n __run_timer_base.part.0+0x1b6/0x1e0\n run_timer_softirq+0x8b/0xe0\n handle_softirqs+0xf9/0x360\n __irq_exit_rcu+0x114/0x130\n sysvec_apic_timer_interrupt+0x72/0x90\n asm_sysvec_apic_timer_interrupt+0x16/0x20\n\nSecond to last potentially related work creation:\n kasan_save_stack+0x20/0x40\n kasan_record_aux_stack+0x85/0x90\n insert_work+0x29/0x100\n __queue_work+0x34a/0x540\n call_timer_fn+0x2a/0x160\n expire_timers+0x5f/0x1f0\n __run_timer_base.part.0+0x1b6/0x1e0\n run_timer_softirq+0x8b/0xe0\n handle_softirqs+0xf9/0x\n---truncated---",
"id": "GHSA-h2g5-mxp5-qrcx",
"modified": "2025-05-06T18:30:36Z",
"published": "2025-04-16T12:31:20Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-22020"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/0067cb7d7e7c277e91a0887a3c24e71462379469"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/31f0eaed6914333f42501fc7e0f6830879f5ef2d"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/4676741a3464b300b486e70585c3c9b692be1632"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/52d942a5302eefb3b7a3bfee310a5a33feeedc21"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/6186fb2cd36317277a8423687982140a7f3f7841"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/75123adf204f997e11bbddee48408c284f51c050"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/914c5e5bfceb9878f3056eaf4d1c88f2cbe0a185"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/9dfaf4d723c62bda8d9d1340e2e78acf0c190439"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/b094e8e3988e02e8cef7a756c8d2cea9c12509ab"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
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- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.