CVSS: -EPSS: 0%CPEs: 4EXPL: 0CVE-2021-47032 – mt76: mt7915: fix tx skb dma unmap
https://notcve.org/view.php?id=CVE-2021-47032
In the Linux kernel, the following vulnerability has been resolved: mt76: mt7915: fix tx skb dma unmap The first pointer in the txp needs to be unmapped as well, otherwise it will leak DMA mapping entries En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mt76: mt7915: fix tx skb dma unmap. El primer puntero en el txp también debe desasignarse; de lo contrario, se filtrarán entradas de mapeo DMA. • https://git.kernel.org/stable/c/27d5c528a7ca08dcd44877fdd9fc08b76630bf77 https://git.kernel.org/stable/c/4e7914ce23306b28d377ec395e00e5fde0e6f96e https://git.kernel.org/stable/c/4a9dcd6efb2a268fc5707dcfb3b0c412975c4462 https://git.kernel.org/stable/c/e2cdc9cb33c5963efe1a7c022753386f9463d1b7 https://git.kernel.org/stable/c/7dcf3c04f0aca746517a77433b33d40868ca4749 •
CVSS: -EPSS: 0%CPEs: 2EXPL: 0CVE-2021-47031 – mt76: mt7921: fix memory leak in mt7921_coredump_work
https://notcve.org/view.php?id=CVE-2021-47031
In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921: fix memory leak in mt7921_coredump_work Fix possible memory leak in mt7921_coredump_work. En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mt76: mt7921: arreglar pérdida de memoria en mt7921_coredump_work. Corrige la posible pérdida de memoria en mt7921_coredump_work. • https://git.kernel.org/stable/c/1c099ab44727c8e42fe4de4d91b53cec3ef02860 https://git.kernel.org/stable/c/4811226374453607175ea057777faa7e7f752204 https://git.kernel.org/stable/c/782b3e86ea970e899f8e723db9f64708a15ca30e •
CVSS: -EPSS: 0%CPEs: 2EXPL: 0CVE-2021-47030 – mt76: mt7615: fix memory leak in mt7615_coredump_work
https://notcve.org/view.php?id=CVE-2021-47030
In the Linux kernel, the following vulnerability has been resolved: mt76: mt7615: fix memory leak in mt7615_coredump_work Similar to the issue fixed in mt7921_coredump_work, fix a possible memory leak in mt7615_coredump_work routine. En el kernel de Linux, se resolvió la siguiente vulnerabilidad: mt76: mt7615: corrige la pérdida de memoria en mt7615_coredump_work. Similar al problema solucionado en mt7921_coredump_work, soluciona una posible pérdida de memoria en la rutina mt7615_coredump_work. • https://git.kernel.org/stable/c/d2bf7959d9c0f631ef860edaf834d55773fdedff https://git.kernel.org/stable/c/54b989653c5531bc4416ced33f146b9cb633d978 https://git.kernel.org/stable/c/49cc85059a2cb656f96ff3693f891e8fe8f669a9 •
CVSS: -EPSS: 0%CPEs: 2EXPL: 0CVE-2021-47029 – mt76: connac: fix kernel warning adding monitor interface
https://notcve.org/view.php?id=CVE-2021-47029
In the Linux kernel, the following vulnerability has been resolved: mt76: connac: fix kernel warning adding monitor interface Fix the following kernel warning adding a monitor interface in mt76_connac_mcu_uni_add_dev routine. [ 507.984882] ------------[ cut here ]------------ [ 507.989515] WARNING: CPU: 1 PID: 3017 at mt76_connac_mcu_uni_add_dev+0x178/0x190 [mt76_connac_lib] [ 508.059379] CPU: 1 PID: 3017 Comm: ifconfig Not tainted 5.4.98 #0 [ 508.065461] Hardware name: MT7622_MT7531 RFB (DT) [ 508.070156] pstate: 80000005 (Nzcv daif -PAN -UAO) [ 508.074939] pc : mt76_connac_mcu_uni_add_dev+0x178/0x190 [mt76_connac_lib] [ 508.081806] lr : mt7921_eeprom_init+0x1288/0x1cb8 [mt7921e] [ 508.087367] sp : ffffffc013a33930 [ 508.090671] x29: ffffffc013a33930 x28: ffffff801e628ac0 [ 508.095973] x27: ffffff801c7f1200 x26: ffffff801c7eb008 [ 508.101275] x25: ffffff801c7eaef0 x24: ffffff801d025610 [ 508.106577] x23: ffffff801d022990 x22: ffffff801d024de8 [ 508.111879] x21: ffffff801d0226a0 x20: ffffff801c7eaee8 [ 508.117181] x19: ffffff801d0226a0 x18: 000000005d00b000 [ 508.122482] x17: 00000000ffffffff x16: 0000000000000000 [ 508.127785] x15: 0000000000000080 x14: ffffff801d704000 [ 508.133087] x13: 0000000000000040 x12: 0000000000000002 [ 508.138389] x11: 000000000000000c x10: 0000000000000000 [ 508.143691] x9 : 0000000000000020 x8 : 0000000000000001 [ 508.148992] x7 : 0000000000000000 x6 : 0000000000000000 [ 508.154294] x5 : ffffff801c7eaee8 x4 : 0000000000000006 [ 508.159596] x3 : 0000000000000001 x2 : 0000000000000000 [ 508.164898] x1 : ffffff801c7eac08 x0 : ffffff801d0226a0 [ 508.170200] Call trace: [ 508.172640] mt76_connac_mcu_uni_add_dev+0x178/0x190 [mt76_connac_lib] [ 508.179159] mt7921_eeprom_init+0x1288/0x1cb8 [mt7921e] [ 508.184394] drv_add_interface+0x34/0x88 [mac80211] [ 508.189271] ieee80211_add_virtual_monitor+0xe0/0xb48 [mac80211] [ 508.195277] ieee80211_do_open+0x86c/0x918 [mac80211] [ 508.200328] ieee80211_do_open+0x900/0x918 [mac80211] [ 508.205372] __dev_open+0xcc/0x150 [ 508.208763] __dev_change_flags+0x134/0x198 [ 508.212937] dev_change_flags+0x20/0x60 [ 508.216764] devinet_ioctl+0x3e8/0x748 [ 508.220503] inet_ioctl+0x1e4/0x350 [ 508.223983] sock_do_ioctl+0x48/0x2a0 [ 508.227635] sock_ioctl+0x310/0x4f8 [ 508.231116] do_vfs_ioctl+0xa4/0xac0 [ 508.234681] ksys_ioctl+0x44/0x90 [ 508.237985] __arm64_sys_ioctl+0x1c/0x48 [ 508.241901] el0_svc_common.constprop.1+0x7c/0x100 [ 508.246681] el0_svc_handler+0x18/0x20 [ 508.250421] el0_svc+0x8/0x1c8 [ 508.253465] ---[ end trace c7b90fee13d72c39 ]--- [ 508.261278] ------------[ cut here ]------------ En el kernel de Linux, se resolvió la siguiente vulnerabilidad: mt76: connac: corrige la advertencia del kernel agregando una interfaz de monitor. Corrija la siguiente advertencia del kernel agregando una interfaz de monitor en la rutina mt76_connac_mcu_uni_add_dev. [507.984882] ------------[ cortar aquí ]------------ [ 507.989515] ADVERTENCIA: CPU: 1 PID: 3017 en mt76_connac_mcu_uni_add_dev+0x178/0x190 [mt76_connac_lib ] [ 508.059379] CPU: 1 PID: 3017 Comm: ifconfig No contaminado 5.4.98 #0 [ 508.065461] Nombre de hardware: MT7622_MT7531 RFB (DT) [ 508.070156] pstate: 80000005 (Nzcv daif -PAN -UAO) [ 508.074 939] ordenador personal : mt76_connac_mcu_uni_add_dev+0x178/0x190 [mt76_connac_lib] [ 508.081806] lr : mt7921_eeprom_init+0x1288/0x1cb8 [mt7921e] [ 508.087367] sp : ffffffc013a33930 [ 508.090671] x29: ffffffc013a33930 x28: ffffff801e628ac0 [ 508.095973] x27: ffffff801c7f1200 x26: ffffff801c7eb008 [ 508.101275] x25: ffffff801c7eaef0 x24: ffffff801d025610 [ 508.106577] x23: ffffff801d022990 x22: ffffff801d024de8 [ 508.111879] x21: ffffff801d0226a0 x20: ffffff801c7eaee 8 [ 508.117181] x19: ffffff801d0226a0 x18: 000000005d00b000 [ 508.122482] x17: 00000000ffffffff x16: 00000000000000000 [ 508.127785] x15: 000 0000000000080 x14: ffffff801d704000 [ 508.133087] x13: 0000000000000040 x12: 0000000000000002 [ 508.138389] x11: 0000000000000000c x10: 0000000000000000 [ 508.143691] x9 : 0000000000000020 x8 : 0000000000000001 [ 508.148992] x7 : 0000000000000000 x6 : 00000000000000000 [ 508.154294] x5 : ffffff801c7eaee8 x4 : 00 00000000000006 [508.159596] x3: 0000000000000001 x2: 0000000000000000 [508.164898] x1: ffffff801c7eac08 x0: ffffff801d0226a0 [508.170200] Rastreo de llamadas: [508.172640] mt76_connac_mcu_uni_add_dev+0x178/0x1 90 [mt76_connac_lib] [508.179159] mt7921_eeprom_init+0x1288/0x1cb8 [mt7921e] [508.184394] drv_add_interface+0x34/0x88 [mac80211 ] [ 508.189271] ieee80211_add_virtual_monitor+0xe0/0xb48 [mac80211] [ 508.195277] ieee80211_do_open+0x86c/0x918 [mac80211] [ 508.200328] ieee80211_do_open+0 x900/0x918 [mac80211] [ 508.205372] __dev_open+0xcc/0x150 [ 508.208763] __dev_change_flags+0x134/0x198 [ 508.212937] dev_change_flags+0x20/0x60 [ 508.216764] devinet_ioctl+0x3e8/0x748 [ 508.220503] inet_ioctl+0x1e4/0x350 [ 508.223983] sock_do_ioctl+0x48/0x2 a0 [ 508.227635] sock_ioctl+0x310/0x4f8 [ 508.231116] do_vfs_ioctl+0xa4/0xac0 [ 508.234681 ] ksys_ioctl+0x44/0x90 [ 508.237985] __arm64_sys_ioctl+0x1c/0x48 [ 508.241901] el0_svc_common.constprop.1+0x7c/0x100 [ 508.246681] el0_svc_handler+0x18/0 x20 [ 508.250421] el0_svc+0x8/0x1c8 [ 508.253465] ---[ fin rastrear c7b90fee13d72c39 ]--- [ 508.261278] • https://git.kernel.org/stable/c/d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8 https://git.kernel.org/stable/c/2554b9cb4b5e097c6071ec3ed5bc7c665c477ca7 https://git.kernel.org/stable/c/c996f0346e40e3b1ac2ebaf0681df898fb157f60 •
CVSS: -EPSS: 0%CPEs: 3EXPL: 0CVE-2021-47028 – mt76: mt7915: fix txrate reporting
https://notcve.org/view.php?id=CVE-2021-47028
In the Linux kernel, the following vulnerability has been resolved: mt76: mt7915: fix txrate reporting Properly check rate_info to fix unexpected reporting. [ 1215.161863] Call trace: [ 1215.164307] cfg80211_calculate_bitrate+0x124/0x200 [cfg80211] [ 1215.170139] ieee80211s_update_metric+0x80/0xc0 [mac80211] [ 1215.175624] ieee80211_tx_status_ext+0x508/0x838 [mac80211] [ 1215.181190] mt7915_mcu_get_rx_rate+0x28c/0x8d0 [mt7915e] [ 1215.186580] mt7915_mac_tx_free+0x324/0x7c0 [mt7915e] [ 1215.191623] mt7915_queue_rx_skb+0xa8/0xd0 [mt7915e] [ 1215.196582] mt76_dma_cleanup+0x7b0/0x11d0 [mt76] [ 1215.201276] __napi_poll+0x38/0xf8 [ 1215.204668] napi_workfn+0x40/0x80 [ 1215.208062] process_one_work+0x1fc/0x390 [ 1215.212062] worker_thread+0x48/0x4d0 [ 1215.215715] kthread+0x120/0x128 [ 1215.218935] ret_from_fork+0x10/0x1c En el kernel de Linux, se resolvió la siguiente vulnerabilidad: mt76: mt7915: corrige informes txrate Verifique correctamente rate_info para corregir informes inesperados. [ 1215.161863] Rastreo de llamadas: [ 1215.164307] cfg80211_calculate_bitrate+0x124/0x200 [cfg80211] [ 1215.170139] ieee80211s_update_metric+0x80/0xc0 [mac80211] [ 1215.17562 4] ieee80211_tx_status_ext+0x508/0x838 [mac80211] [1215.181190] mt7915_mcu_get_rx_rate+0x28c/0x8d0 [mt7915e] [ 1215.186580] mt7915_mac_tx_free+0x324/0x7c0 [mt7915e] [ 1215.191623] mt7915_queue_rx_skb+0xa8/0xd0 [mt7915e] [ 1215.196582] mt76_dma_cleanup+0x7b 0/0x11d0 [mt76] [ 1215.201276] __napi_poll+0x38/0xf8 [ 1215.204668] napi_workfn+0x40/0x80 [ 1215.208062] proceso_one_work+0x1fc/0x390 [ 1215.212062] hilo_trabajador+0x48/0x4d0 [ 1215.215715] kthread+0x120/0x128 [ 1215.218935] ret_from_fork+0x10/0x1c • https://git.kernel.org/stable/c/e57b7901469fc0b021930b83a8094baaf3d81b09 https://git.kernel.org/stable/c/dfc8a71448c7d4fec38fb22bdc8a76d79c14b6da https://git.kernel.org/stable/c/4bd926e5ca88eac4d95eacb806b229f8729bc62e https://git.kernel.org/stable/c/f43b941fd61003659a3f0e039595e5e525917aa8 •