2024-09-11 16:01:06 +00:00
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{
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2024-09-18 08:00:37 +00:00
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"data_version": "4.0",
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2024-09-11 16:01:06 +00:00
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"data_type": "CVE",
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"data_format": "MITRE",
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"CVE_data_meta": {
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"ID": "CVE-2024-46749",
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2024-09-18 08:00:37 +00:00
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"ASSIGNER": "cve@kernel.org",
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"STATE": "PUBLIC"
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2024-09-11 16:01:06 +00:00
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},
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"description": {
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"description_data": [
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{
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"lang": "eng",
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2024-09-18 08:00:37 +00:00
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btnxpuart: Fix Null pointer dereference in btnxpuart_flush()\n\nThis adds a check before freeing the rx->skb in flush and close\nfunctions to handle the kernel crash seen while removing driver after FW\ndownload fails or before FW download completes.\n\ndmesg log:\n[ 54.634586] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000080\n[ 54.643398] Mem abort info:\n[ 54.646204] ESR = 0x0000000096000004\n[ 54.649964] EC = 0x25: DABT (current EL), IL = 32 bits\n[ 54.655286] SET = 0, FnV = 0\n[ 54.658348] EA = 0, S1PTW = 0\n[ 54.661498] FSC = 0x04: level 0 translation fault\n[ 54.666391] Data abort info:\n[ 54.669273] ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000\n[ 54.674768] CM = 0, WnR = 0, TnD = 0, TagAccess = 0\n[ 54.674771] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0\n[ 54.674775] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000048860000\n[ 54.674780] [0000000000000080] pgd=0000000000000000, p4d=0000000000000000\n[ 54.703880] Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP\n[ 54.710152] Modules linked in: btnxpuart(-) overlay fsl_jr_uio caam_jr caamkeyblob_desc caamhash_desc caamalg_desc crypto_engine authenc libdes crct10dif_ce polyval_ce polyval_generic snd_soc_imx_spdif snd_soc_imx_card snd_soc_ak5558 snd_soc_ak4458 caam secvio error snd_soc_fsl_micfil snd_soc_fsl_spdif snd_soc_fsl_sai snd_soc_fsl_utils imx_pcm_dma gpio_ir_recv rc_core sch_fq_codel fuse\n[ 54.744357] CPU: 3 PID: 72 Comm: kworker/u9:0 Not tainted 6.6.3-otbr-g128004619037 #2\n[ 54.744364] Hardware name: FSL i.MX8MM EVK board (DT)\n[ 54.744368] Workqueue: hci0 hci_power_on\n[ 54.757244] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n[ 54.757249] pc : kfree_skb_reason+0x18/0xb0\n[ 54.772299] lr : btnxpuart_flush+0x40/0x58 [btnxpuart]\n[ 54.782921] sp : ffff8000805ebca0\n[ 54.782923] x29: ffff8000805ebca0 x28: ffffa5c6cf1869c0 x27: ffffa5c6cf186000\n[ 54.782931] x26: ffff377b84852400 x25: ffff377b848523c0 x24: ffff377b845e7230\n[ 54.782938] x23: ffffa5c6ce8dbe08 x22: ffffa5c6ceb65410 x21: 00000000ffffff92\n[ 54.782945] x20: ffffa5c6ce8dbe98 x19: ffffffffffffffac x18: ffffffffffffffff\n[ 54.807651] x17: 0000000000000000 x16: ffffa5c6ce2824ec x15: ffff8001005eb857\n[ 54.821917] x14: 0000000000000000 x13: ffffa5c6cf1a02e0 x12: 0000000000000642\n[ 54.821924] x11: 0000000000000040 x10: ffffa5c6cf19d690 x9 : ffffa5c6cf19d688\n[ 54.821931] x8 : ffff377b86000028 x7 : 0000000000000000 x6 : 0000000000000000\n[ 54.821938] x5 : ffff377b86000000 x4 : 0000000000000000 x3 : 0000000000000000\n[ 54.843331] x2 : 0000000000000000 x1 : 0000000000000002 x0 : ffffffffffffffac\n[ 54.857599] Call trace:\n[ 54.857601] kfree_skb_reason+0x18/0xb0\n[ 54.863878] btnxpuart_flush+0x40/0x58 [btnxpuart]\n[ 54.863888] hci_dev_open_sync+0x3a8/0xa04\n[ 54.872773] hci_power_on+0x54/0x2e4\n[ 54.881832] process_one_work+0x138/0x260\n[ 54.881842] worker_thread+0x32c/0x438\n[ 54.881847] kthread+0x118/0x11c\n[ 54.881853] ret_from_fork+0x10/0x20\n[ 54.896406] Code: a9be7bfd 910003fd f9000bf3 aa0003f3 (b940d400)\n[ 54.896410] ---[ end trace 0000000000000000 ]---"
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}
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]
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},
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"problemtype": {
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"problemtype_data": [
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{
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"description": [
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{
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"lang": "eng",
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"value": "n/a"
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}
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]
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}
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]
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},
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"affects": {
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"vendor": {
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"vendor_data": [
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{
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"vendor_name": "Linux",
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"product": {
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"product_data": [
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{
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"product_name": "Linux",
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"version": {
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"version_data": [
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{
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"version_affected": "<",
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"version_name": "1da177e4c3f4",
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"version_value": "013dae4735d2"
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},
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{
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"version_value": "not down converted",
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"x_cve_json_5_version_data": {
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"versions": [
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{
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"version": "6.6.51",
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"lessThanOrEqual": "6.6.*",
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"status": "unaffected",
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"versionType": "custom"
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},
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{
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"version": "6.10.10",
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"lessThanOrEqual": "6.10.*",
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"status": "unaffected",
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"versionType": "custom"
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},
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{
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"version": "6.11",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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],
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"defaultStatus": "affected"
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}
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}
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]
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}
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}
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]
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}
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}
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]
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}
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},
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"references": {
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"reference_data": [
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{
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"url": "https://git.kernel.org/stable/c/013dae4735d2010544d1f2121bdeb8e6c9ea171e",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/013dae4735d2010544d1f2121bdeb8e6c9ea171e"
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},
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{
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"url": "https://git.kernel.org/stable/c/056e0cd381d59a9124b7c43dd715e15f56a11635",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/056e0cd381d59a9124b7c43dd715e15f56a11635"
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},
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{
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"url": "https://git.kernel.org/stable/c/c68bbf5e334b35b36ac5b9f0419f1f93f796bad1",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/c68bbf5e334b35b36ac5b9f0419f1f93f796bad1"
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2024-09-11 16:01:06 +00:00
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}
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]
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2024-09-18 08:00:37 +00:00
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},
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"generator": {
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"engine": "bippy-c9c4e1df01b2"
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2024-09-11 16:01:06 +00:00
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}
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}
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