cvelist/2022/49xxx/CVE-2022-49328.json
2025-02-26 03:02:18 +00:00

114 lines
8.8 KiB
JSON

{
"data_version": "4.0",
"data_type": "CVE",
"data_format": "MITRE",
"CVE_data_meta": {
"ID": "CVE-2022-49328",
"ASSIGNER": "cve@kernel.org",
"STATE": "PUBLIC"
},
"description": {
"description_data": [
{
"lang": "eng",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmt76: fix use-after-free by removing a non-RCU wcid pointer\n\nFixes an issue caught by KASAN about use-after-free in mt76_txq_schedule\nby protecting mtxq->wcid with rcu_lock between mt76_txq_schedule and\nsta_info_[alloc, free].\n\n[18853.876689] ==================================================================\n[18853.876751] BUG: KASAN: use-after-free in mt76_txq_schedule+0x204/0xaf8 [mt76]\n[18853.876773] Read of size 8 at addr ffffffaf989a2138 by task mt76-tx phy0/883\n[18853.876786]\n[18853.876810] CPU: 5 PID: 883 Comm: mt76-tx phy0 Not tainted 5.10.100-fix-510-56778d365941-kasan #5 0b01fbbcf41a530f52043508fec2e31a4215\n\n[18853.876840] Call trace:\n[18853.876861] dump_backtrace+0x0/0x3ec\n[18853.876878] show_stack+0x20/0x2c\n[18853.876899] dump_stack+0x11c/0x1ac\n[18853.876918] print_address_description+0x74/0x514\n[18853.876934] kasan_report+0x134/0x174\n[18853.876948] __asan_report_load8_noabort+0x44/0x50\n[18853.876976] mt76_txq_schedule+0x204/0xaf8 [mt76 074e03e4640e97fe7405ee1fab547b81c4fa45d2]\n[18853.877002] mt76_txq_schedule_all+0x2c/0x48 [mt76 074e03e4640e97fe7405ee1fab547b81c4fa45d2]\n[18853.877030] mt7921_tx_worker+0xa0/0x1cc [mt7921_common f0875ebac9d7b4754e1010549e7db50fbd90a047]\n[18853.877054] __mt76_worker_fn+0x190/0x22c [mt76 074e03e4640e97fe7405ee1fab547b81c4fa45d2]\n[18853.877071] kthread+0x2f8/0x3b8\n[18853.877087] ret_from_fork+0x10/0x30\n[18853.877098]\n[18853.877112] Allocated by task 941:\n[18853.877131] kasan_save_stack+0x38/0x68\n[18853.877147] __kasan_kmalloc+0xd4/0xfc\n[18853.877163] kasan_kmalloc+0x10/0x1c\n[18853.877177] __kmalloc+0x264/0x3c4\n[18853.877294] sta_info_alloc+0x460/0xf88 [mac80211]\n[18853.877410] ieee80211_prep_connection+0x204/0x1ee0 [mac80211]\n[18853.877523] ieee80211_mgd_auth+0x6c4/0xa4c [mac80211]\n[18853.877635] ieee80211_auth+0x20/0x2c [mac80211]\n[18853.877733] rdev_auth+0x7c/0x438 [cfg80211]\n[18853.877826] cfg80211_mlme_auth+0x26c/0x390 [cfg80211]\n[18853.877919] nl80211_authenticate+0x6d4/0x904 [cfg80211]\n[18853.877938] genl_rcv_msg+0x748/0x93c\n[18853.877954] netlink_rcv_skb+0x160/0x2a8\n[18853.877969] genl_rcv+0x3c/0x54\n[18853.877985] netlink_unicast_kernel+0x104/0x1ec\n[18853.877999] netlink_unicast+0x178/0x268\n[18853.878015] netlink_sendmsg+0x3cc/0x5f0\n[18853.878030] sock_sendmsg+0xb4/0xd8\n[18853.878043] ____sys_sendmsg+0x2f8/0x53c\n[18853.878058] ___sys_sendmsg+0xe8/0x150\n[18853.878071] __sys_sendmsg+0xc4/0x1f4\n[18853.878087] __arm64_compat_sys_sendmsg+0x88/0x9c\n[18853.878101] el0_svc_common+0x1b4/0x390\n[18853.878115] do_el0_svc_compat+0x8c/0xdc\n[18853.878131] el0_svc_compat+0x10/0x1c\n[18853.878146] el0_sync_compat_handler+0xa8/0xcc\n[18853.878161] el0_sync_compat+0x188/0x1c0\n[18853.878171]\n[18853.878183] Freed by task 10927:\n[18853.878200] kasan_save_stack+0x38/0x68\n[18853.878215] kasan_set_track+0x28/0x3c\n[18853.878228] kasan_set_free_info+0x24/0x48\n[18853.878244] __kasan_slab_free+0x11c/0x154\n[18853.878259] kasan_slab_free+0x14/0x24\n[18853.878273] slab_free_freelist_hook+0xac/0x1b0\n[18853.878287] kfree+0x104/0x390\n[18853.878402] sta_info_free+0x198/0x210 [mac80211]\n[18853.878515] __sta_info_destroy_part2+0x230/0x2d4 [mac80211]\n[18853.878628] __sta_info_flush+0x300/0x37c [mac80211]\n[18853.878740] ieee80211_set_disassoc+0x2cc/0xa7c [mac80211]\n[18853.878851] ieee80211_mgd_deauth+0x4a4/0x10a0 [mac80211]\n[18853.878962] ieee80211_deauth+0x20/0x2c [mac80211]\n[18853.879057] rdev_deauth+0x7c/0x438 [cfg80211]\n[18853.879150] cfg80211_mlme_deauth+0x274/0x414 [cfg80211]\n[18853.879243] cfg80211_mlme_down+0xe4/0x118 [cfg80211]\n[18853.879335] cfg80211_disconnect+0x218/0x2d8 [cfg80211]\n[18853.879427] __cfg80211_leave+0x17c/0x240 [cfg80211]\n[18853.879519] cfg80211_leave+0x3c/0x58 [cfg80211]\n[18853.879611] wiphy_suspend+0xdc/0x200 [cfg80211]\n[18853.879628] dpm_run_callback+0x58/0x408\n[18853.879642] __device_suspend+0x4cc/0x864\n[18853.879658] async_suspend+0x34/0xf4\n[18\n---truncated---"
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"affects": {
"vendor": {
"vendor_data": [
{
"vendor_name": "Linux",
"product": {
"product_data": [
{
"product_name": "Linux",
"version": {
"version_data": [
{
"version_affected": "<",
"version_name": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
"version_value": "4448327b41738dbfcda680eb4935ff835568f468"
},
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
"versions": [
{
"version": "5.15.58",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.17.14",
"lessThanOrEqual": "5.17.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.18.3",
"lessThanOrEqual": "5.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.19",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
],
"defaultStatus": "affected"
}
}
]
}
}
]
}
}
]
}
},
"references": {
"reference_data": [
{
"url": "https://git.kernel.org/stable/c/4448327b41738dbfcda680eb4935ff835568f468",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/4448327b41738dbfcda680eb4935ff835568f468"
},
{
"url": "https://git.kernel.org/stable/c/e55bcdd0bf34a8b10d45ce80ebb3164c5292a17d",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/e55bcdd0bf34a8b10d45ce80ebb3164c5292a17d"
},
{
"url": "https://git.kernel.org/stable/c/d5f77f1dbb59feae81f88e44551e8e1d8a802d9a",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/d5f77f1dbb59feae81f88e44551e8e1d8a802d9a"
},
{
"url": "https://git.kernel.org/stable/c/51fb1278aa57ae0fc54adaa786e1965362bed4fb",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/51fb1278aa57ae0fc54adaa786e1965362bed4fb"
}
]
},
"generator": {
"engine": "bippy-5f407fcff5a0"
}
}