"value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: don't return unset power in ieee80211_get_tx_power()\n\nWe can get a UBSAN warning if ieee80211_get_tx_power() returns the\nINT_MIN value mac80211 internally uses for \"unset power level\".\n\n UBSAN: signed-integer-overflow in net/wireless/nl80211.c:3816:5\n -2147483648 * 100 cannot be represented in type 'int'\n CPU: 0 PID: 20433 Comm: insmod Tainted: G WC OE\n Call Trace:\n dump_stack+0x74/0x92\n ubsan_epilogue+0x9/0x50\n handle_overflow+0x8d/0xd0\n __ubsan_handle_mul_overflow+0xe/0x10\n nl80211_send_iface+0x688/0x6b0 [cfg80211]\n [...]\n cfg80211_register_wdev+0x78/0xb0 [cfg80211]\n cfg80211_netdev_notifier_call+0x200/0x620 [cfg80211]\n [...]\n ieee80211_if_add+0x60e/0x8f0 [mac80211]\n ieee80211_register_hw+0xda5/0x1170 [mac80211]\n\nIn this case, simply return an error instead, to indicate\nthat no data is available."
"value":" En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: mac80211: no devolver energ\u00eda no configurada en ieee80211_get_tx_power(). Podemos obtener una advertencia de UBSAN si ieee80211_get_tx_power() devuelve el valor INT_MIN que mac80211 usa internamente para \"nivel de energ\u00eda no configurada\". UBSAN: desbordamiento de entero con signo en net/wireless/nl80211.c:3816:5 -2147483648 * 100 no se puede representar en el tipo 'int' CPU: 0 PID: 20433 Comm: insmod Contaminado: G WC OE Call Trace: dump_stack+ 0x74/0x92 ubsan_epilogue+0x9/0x50 handle_overflow+0x8d/0xd0 __ubsan_handle_mul_overflow+0xe/0x10 nl80211_send_iface+0x688/0x6b0 [cfg80211] [...] cfg80211_register_wdev+0x78/0xb0 cfg80211] cfg80211_netdev_notifier_call+0x200/0x620 [cfg80211] [.. .] ieee80211_if_add+0x60e/0x8f0 [mac80211] ieee80211_register_hw+0xda5/0x1170 [mac80211] En este caso, simplemente devuelva un error para indicar que no hay datos disponibles."