摘要:
In the Linux kernel, the following vulnerability has been resolved:wifi: mac80211: Avoid address calculations via out of bounds array indexingreq->n_channels must be set before req->channels[] can be used.This patch fixes one of the issues encountered in [1].[ 83.964255] UBSAN: array-index-out-of-bounds in net/mac80211/scan.c:364:4[ 83.964258] index 0 is out of range for type struct ieee80211_channel *[] [...][ 83.964264] Call Trace:[ 83.964267] <TASK>[ 83.964269] dump_stack_lvl+0x3f/0xc0[ 83.964274] __ubsan_handle_out_of_bounds+0xec/0x110[ 83.964278] ieee80211_prep_hw_scan+0x2db/0x4b0[ 83.964281] __ieee80211_start_scan+0x601/0x990[ 83.964291] nl80211_trigger_scan+0x874/0x980[ 83.964295] genl_family_rcv_msg_doit+0xe8/0x160[ 83.964298] genl_rcv_msg+0x240/0x270[...][1] https://bugzilla.kernel.org/show_bug.cgi?id=218810
安全等级: Low
公告ID: KylinSec-SA-2024-3629
发布日期: 2024年9月9日
关联CVE: CVE-2024-41071
In the Linux kernel, the following vulnerability has been resolved:wifi: mac80211: Avoid address calculations via out of bounds array indexingreq->n_channels must be set before req->channels[] can be used.This patch fixes one of the issues encountered in [1].[ 83.964255] UBSAN: array-index-out-of-bounds in net/mac80211/scan.c:364:4[ 83.964258] index 0 is out of range for type struct ieee80211_channel *[] [...][ 83.964264] Call Trace:[ 83.964267] <TASK>[ 83.964269] dump_stack_lvl+0x3f/0xc0[ 83.964274] __ubsan_handle_out_of_bounds+0xec/0x110[ 83.964278] ieee80211_prep_hw_scan+0x2db/0x4b0[ 83.964281] __ieee80211_start_scan+0x601/0x990[ 83.964291] nl80211_trigger_scan+0x874/0x980[ 83.964295] genl_family_rcv_msg_doit+0xe8/0x160[ 83.964298] genl_rcv_msg+0x240/0x270[...][1] https://bugzilla.kernel.org/show_bug.cgi?id=218810
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