CVSS: -EPSS: 0%CPEs: 3EXPL: 0CVE-2021-47174 – netfilter: nft_set_pipapo_avx2: Add irq_fpu_usable() check, fallback to non-AVX2 version
https://notcve.org/view.php?id=CVE-2021-47174
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_pipapo_avx2: Add irq_fpu_usable() check, fallback to non-AVX2 version Arturo reported this backtrace: [709732.358791] WARNING: CPU: 3 PID: 456 at arch/x86/kernel/fpu/core.c:128 kernel_fpu_begin_mask+0xae/0xe0 [709732.358793] Modules linked in: binfmt_misc nft_nat nft_chain_nat nf_nat nft_counter nft_ct nf_tables nf_conntrack_netlink nfnetlink 8021q garp stp mrp llc vrf intel_rapl_msr intel_rapl_common skx_edac nfit libnvdimm ipmi_ssif x86_pkg_temp_thermal intel_powerclamp coretemp crc32_pclmul mgag200 ghash_clmulni_intel drm_kms_helper cec aesni_intel drm libaes crypto_simd cryptd glue_helper mei_me dell_smbios iTCO_wdt evdev intel_pmc_bxt iTCO_vendor_support dcdbas pcspkr rapl dell_wmi_descriptor wmi_bmof sg i2c_algo_bit watchdog mei acpi_ipmi ipmi_si button nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ipmi_devintf ipmi_msghandler ip_tables x_tables autofs4 ext4 crc16 mbcache jbd2 dm_mod raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor sd_mod t10_pi crc_t10dif crct10dif_generic raid6_pq libcrc32c crc32c_generic raid1 raid0 multipath linear md_mod ahci libahci tg3 libata xhci_pci libphy xhci_hcd ptp usbcore crct10dif_pclmul crct10dif_common bnxt_en crc32c_intel scsi_mod [709732.358941] pps_core i2c_i801 lpc_ich i2c_smbus wmi usb_common [709732.358957] CPU: 3 PID: 456 Comm: jbd2/dm-0-8 Not tainted 5.10.0-0.bpo.5-amd64 #1 Debian 5.10.24-1~bpo10+1 [709732.358959] Hardware name: Dell Inc. PowerEdge R440/04JN2K, BIOS 2.9.3 09/23/2020 [709732.358964] RIP: 0010:kernel_fpu_begin_mask+0xae/0xe0 [709732.358969] Code: ae 54 24 04 83 e3 01 75 38 48 8b 44 24 08 65 48 33 04 25 28 00 00 00 75 33 48 83 c4 10 5b c3 65 8a 05 5e 21 5e 76 84 c0 74 92 <0f> 0b eb 8e f0 80 4f 01 40 48 81 c7 00 14 00 00 e8 dd fb ff ff eb [709732.358972] RSP: 0018:ffffbb9700304740 EFLAGS: 00010202 [709732.358976] RAX: 0000000000000001 RBX: 0000000000000003 RCX: 0000000000000001 [709732.358979] RDX: ffffbb9700304970 RSI: ffff922fe1952e00 RDI: 0000000000000003 [709732.358981] RBP: ffffbb9700304970 R08: ffff922fc868a600 R09: ffff922fc711e462 [709732.358984] R10: 000000000000005f R11: ffff922ff0b27180 R12: ffffbb9700304960 [709732.358987] R13: ffffbb9700304b08 R14: ffff922fc664b6c8 R15: ffff922fc664b660 [709732.358990] FS: 0000000000000000(0000) GS:ffff92371fec0000(0000) knlGS:0000000000000000 [709732.358993] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [709732.358996] CR2: 0000557a6655bdd0 CR3: 000000026020a001 CR4: 00000000007706e0 [709732.358999] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [709732.359001] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [709732.359003] PKRU: 55555554 [709732.359005] Call Trace: [709732.359009] <IRQ> [709732.359035] nft_pipapo_avx2_lookup+0x4c/0x1cba [nf_tables] [709732.359046] ? sched_clock+0x5/0x10 [709732.359054] ? sched_clock_cpu+0xc/0xb0 [709732.359061] ? record_times+0x16/0x80 [709732.359068] ? • https://git.kernel.org/stable/c/7400b063969bdca4a06cd97f1294d765c8eecbe1 https://git.kernel.org/stable/c/b1f45a26bd322525c14edd9504f6d46dfad679a4 https://git.kernel.org/stable/c/727a2b4fc951ee69847d4904d98961856ea9fbe6 https://git.kernel.org/stable/c/f0b3d338064e1fe7531f0d2977e35f3b334abfb4 •
CVSS: 5.5EPSS: 0%CPEs: 8EXPL: 0CVE-2021-47173 – misc/uss720: fix memory leak in uss720_probe
https://notcve.org/view.php?id=CVE-2021-47173
In the Linux kernel, the following vulnerability has been resolved: misc/uss720: fix memory leak in uss720_probe uss720_probe forgets to decrease the refcount of usbdev in uss720_probe. Fix this by decreasing the refcount of usbdev by usb_put_dev. BUG: memory leak unreferenced object 0xffff888101113800 (size 2048): comm "kworker/0:1", pid 7, jiffies 4294956777 (age 28.870s) hex dump (first 32 bytes): ff ff ff ff 31 00 00 00 00 00 00 00 00 00 00 00 ....1........... 00 00 00 00 00 00 00 00 00 00 00 00 03 00 00 00 ................ backtrace: [<ffffffff82b8e822>] kmalloc include/linux/slab.h:554 [inline] [<ffffffff82b8e822>] kzalloc include/linux/slab.h:684 [inline] [<ffffffff82b8e822>] usb_alloc_dev+0x32/0x450 drivers/usb/core/usb.c:582 [<ffffffff82b98441>] hub_port_connect drivers/usb/core/hub.c:5129 [inline] [<ffffffff82b98441>] hub_port_connect_change drivers/usb/core/hub.c:5363 [inline] [<ffffffff82b98441>] port_event drivers/usb/core/hub.c:5509 [inline] [<ffffffff82b98441>] hub_event+0x1171/0x20c0 drivers/usb/core/hub.c:5591 [<ffffffff81259229>] process_one_work+0x2c9/0x600 kernel/workqueue.c:2275 [<ffffffff81259b19>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2421 [<ffffffff81261228>] kthread+0x178/0x1b0 kernel/kthread.c:292 [<ffffffff8100227f>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: misc/uss720: corrige la pérdida de memoria en uss720_probe uss720_probe olvida disminuir el recuento de usbdev en uss720_probe. Solucione este problema disminuyendo el recuento de usbdev por usb_put_dev. ERROR: pérdida de memoria, objeto sin referencia 0xffff888101113800 (tamaño 2048): comunicación "kworker/0:1", pid 7, jiffies 4294956777 (edad 28,870 s) volcado hexadecimal (primeros 32 bytes): ff ff ff ff 31 00 00 00 00 00 00 00 00 00 00 00 ....1.......... 00 00 00 00 00 00 00 00 00 00 00 00 03 00 00 00 ................. ... seguimiento: [] kmalloc include/linux/slab.h:554 [en línea] [] kzalloc include/linux/slab.h:684 [en línea] [] usb_alloc_dev+0x32/ 0x450 controladores/usb/core/usb.c:582 [] hub_port_connect drivers/usb/core/hub.c:5129 [en línea] [] hub_port_connect_change drivers/usb/core/hub.c:5363 [ en línea] [] port_event drivers/usb/core/hub.c:5509 [en línea] [] hub_event+0x1171/0x20c0 drivers/usb/core/hub.c:5591 [] Process_one_work+ 0x2c9/0x600 kernel/workqueue.c:2275 [] trabajador_thread+0x59/0x5d0 kernel/workqueue.c:2421 [] kthread+0x178/0x1b0 kernel/kthread.c:292 [ ] ret_from_fork +0x1f/0x30 arco/x86/entrada/entrada_64.S:294 • https://git.kernel.org/stable/c/0f36163d3abefbda1b21a330b3fdf3c2dc076d94 https://git.kernel.org/stable/c/5f46b2410db2c8f26b8bb91b40deebf4ec184391 https://git.kernel.org/stable/c/7889c70e6173ef358f3cd7578db127a489035a42 https://git.kernel.org/stable/c/bcb30cc8f8befcbdbcf7a016e4dfd4747c54a364 https://git.kernel.org/stable/c/386918878ce4cd676e4607233866e03c9399a46a https://git.kernel.org/stable/c/36b5ff1db1a4ef4fdbc2bae364344279f033ad88 https://git.kernel.org/stable/c/5394ae9d8c7961dd93807fdf1b12a1dde96b0a55 https://git.kernel.org/stable/c/a3c3face38cb49932c62adcc1289914f1 • CWE-401: Missing Release of Memory after Effective Lifetime •
CVSS: 5.5EPSS: 0%CPEs: 4EXPL: 0CVE-2021-47172 – iio: adc: ad7124: Fix potential overflow due to non sequential channel numbers
https://notcve.org/view.php?id=CVE-2021-47172
In the Linux kernel, the following vulnerability has been resolved: iio: adc: ad7124: Fix potential overflow due to non sequential channel numbers Channel numbering must start at 0 and then not have any holes, or it is possible to overflow the available storage. Note this bug was introduced as part of a fix to ensure we didn't rely on the ordering of child nodes. So we need to support arbitrary ordering but they all need to be there somewhere. Note I hit this when using qemu to test the rest of this series. Arguably this isn't the best fix, but it is probably the most minimal option for backporting etc. Alexandru's sign-off is here because he carried this patch in a larger set that Jonathan then applied. En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: iio: adc: ad7124: Se corrige posible desbordamiento por números de canales no secuenciales. La numeración de canales debe comenzar en 0 y luego no tener huecos, o es posible que se desborde el almacenamiento disponible. • https://git.kernel.org/stable/c/5408cbc6337300d6f1a87c797273c535ed96305a https://git.kernel.org/stable/c/d7857e4ee1ba69732b16c73b2f2dde83ecd78ee4 https://git.kernel.org/stable/c/f49149964d2423fb618fb6b755bb1eaa431cca2c https://git.kernel.org/stable/c/f70122825076117787b91e7f219e21c09f11a5b9 https://git.kernel.org/stable/c/26da8040eccc6c6b0e415e9a3baf72fd39eb2fdc https://git.kernel.org/stable/c/f2a772c51206b0c3f262e4f6a3812c89a650191b • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •
CVSS: 5.5EPSS: 0%CPEs: 8EXPL: 0CVE-2021-47171 – net: usb: fix memory leak in smsc75xx_bind
https://notcve.org/view.php?id=CVE-2021-47171
In the Linux kernel, the following vulnerability has been resolved: net: usb: fix memory leak in smsc75xx_bind Syzbot reported memory leak in smsc75xx_bind(). The problem was is non-freed memory in case of errors after memory allocation. backtrace: [<ffffffff84245b62>] kmalloc include/linux/slab.h:556 [inline] [<ffffffff84245b62>] kzalloc include/linux/slab.h:686 [inline] [<ffffffff84245b62>] smsc75xx_bind+0x7a/0x334 drivers/net/usb/smsc75xx.c:1460 [<ffffffff82b5b2e6>] usbnet_probe+0x3b6/0xc30 drivers/net/usb/usbnet.c:1728 En el kernel de Linux, se resolvió la siguiente vulnerabilidad: net: usb: corrige la pérdida de memoria en smsc75xx_bind Syzbot informó una pérdida de memoria en smsc75xx_bind(). El problema era que la memoria no se liberaba en caso de errores después de la asignación de memoria. backtrace: [] kmalloc include/linux/slab.h:556 [en línea] [] kzalloc include/linux/slab.h:686 [en línea] [] smsc75xx_bind+0x7a/0x334 controladores/ net/usb/smsc75xx.c:1460 [] usbnet_probe+0x3b6/0xc30 controladores/net/usb/usbnet.c:1728 • https://git.kernel.org/stable/c/d0cad871703b898a442e4049c532ec39168e5b57 https://git.kernel.org/stable/c/200dbfcad8011e50c3cec269ed7b980836eeb1fa https://git.kernel.org/stable/c/22c840596af0c09068b6cf948616e6496e59e07f https://git.kernel.org/stable/c/9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc https://git.kernel.org/stable/c/9e6a3eccb28779710cbbafc4f4258d92509c6d07 https://git.kernel.org/stable/c/b95fb96e6339e34694dd578fb6bde3575b01af17 https://git.kernel.org/stable/c/635ac38b36255d3cfb8312cf7c471334f4d537e0 https://git.kernel.org/stable/c/70c886ac93f87ae7214a0c69151a28a80 • CWE-401: Missing Release of Memory after Effective Lifetime CWE-402: Transmission of Private Resources into a New Sphere ('Resource Leak') •
CVSS: -EPSS: 0%CPEs: 5EXPL: 0CVE-2021-47170 – USB: usbfs: Don't WARN about excessively large memory allocations
https://notcve.org/view.php?id=CVE-2021-47170
In the Linux kernel, the following vulnerability has been resolved: USB: usbfs: Don't WARN about excessively large memory allocations Syzbot found that the kernel generates a WARNing if the user tries to submit a bulk transfer through usbfs with a buffer that is way too large. This isn't a bug in the kernel; it's merely an invalid request from the user and the usbfs code does handle it correctly. In theory the same thing can happen with async transfers, or with the packet descriptor table for isochronous transfers. To prevent the MM subsystem from complaining about these bad allocation requests, add the __GFP_NOWARN flag to the kmalloc calls for these buffers. En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: USB: usbfs: No ADVERTIR sobre asignaciones de memoria excesivamente grandes. Syzbot descubrió que el kernel genera una ADVERTENCIA si el usuario intenta enviar una transferencia masiva a través de usbfs con un búfer demasiado grande. Esto no es un error en el kernel; es simplemente una solicitud no válida del usuario y el código usbfs la maneja correctamente. • https://git.kernel.org/stable/c/2ab21d6e1411999b5fb43434f421f00bf50002eb https://git.kernel.org/stable/c/2c835fede13e03f2743a333e4370b5ed2db91e83 https://git.kernel.org/stable/c/8d83f109e920d2776991fa142bb904d985dca2ed https://git.kernel.org/stable/c/9f7cb3f01a10d9064cf13b3d26fb7e7a5827d098 https://git.kernel.org/stable/c/4f2629ea67e7225c3fd292c7fe4f5b3c9d6392de •