Описание
An out-of-bounds buffer overflow has been found in the Linux kernel’s mac80211 subsystem when scanning for SSIDs. Address calculation using out-of-bounds array indexing could result in an attacker crafting an exploit, resulting in the complete compromise of a system.
Меры по смягчению последствий
There are no mitigations for the flaw. Please update your system for fixes.
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Red Hat Enterprise Linux 9 | kernel-rt | Affected | ||
| Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION | kernel | Fixed | RHSA-2024:7227 | 26.09.2024 |
| Red Hat Enterprise Linux 7.7 Advanced Update Support | kernel | Fixed | RHSA-2024:6999 | 24.09.2024 |
| Red Hat Enterprise Linux 7 Extended Lifecycle Support | kernel-rt | Fixed | RHSA-2024:6995 | 24.09.2024 |
| Red Hat Enterprise Linux 7 Extended Lifecycle Support | kernel | Fixed | RHSA-2024:6994 | 24.09.2024 |
| Red Hat Enterprise Linux 8 | kernel-rt | Fixed | RHSA-2024:7001 | 24.09.2024 |
| Red Hat Enterprise Linux 8 | kernel | Fixed | RHSA-2024:7000 | 24.09.2024 |
| Red Hat Enterprise Linux 8 | kpatch-patch | Fixed | RHSA-2024:7429 | 01.10.2024 |
| Red Hat Enterprise Linux 8.2 Advanced Update Support | kernel | Fixed | RHSA-2024:6992 | 24.09.2024 |
| Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | kernel | Fixed | RHSA-2024:7002 | 24.09.2024 |
Показывать по
Дополнительная информация
Статус:
7.8 High
CVSS3
Связанные уязвимости
Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Avoid address calculations via out of bounds array indexing req->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
Уязвимость функции ieee80211_prep_hw_scan() ядра операционной системы Linux, позволяющая нарушителю оказать воздействие на конфиденциальность, целостность и доступность защищаемой информации
7.8 High
CVSS3