CVE-2021-34693
https://notcve.org/view.php?id=CVE-2021-34693
net/can/bcm.c in the Linux kernel through 5.12.10 allows local users to obtain sensitive information from kernel stack memory because parts of a data structure are uninitialized. El archivo net/can/bcm.c en el kernel de Linux versiones hasta 5.12.10, permite a usuarios locales obtener información confidencial de la memoria de la pila del kernel porque partes de una estructura de datos no están inicializadas • http://www.openwall.com/lists/oss-security/2021/06/15/1 https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5e87ddbe3942e27e939bdc02deb8579b0cbd8ecc https://lists.debian.org/debian-lts-announce/2021/07/msg00014.html https://lists.debian.org/debian-lts-announce/2021/07/msg00015.html https://lists.debian.org/debian-lts-announce/2021/07/msg00016.html https://lore.kernel.org/netdev/trinity-87eaea25-2a7d-4aa9-92a5-269b822e5d95-1623609211076%403c-app-gmx-bs04/T https://ww • CWE-909: Missing Initialization of Resource •
CVE-2021-0129 – kernel: Improper access control in BlueZ may allow information disclosure vulnerability.
https://notcve.org/view.php?id=CVE-2021-0129
Improper access control in BlueZ may allow an authenticated user to potentially enable information disclosure via adjacent access. Un control de acceso inapropiado en BlueZ puede permitir a un usuario autenticado permitir potencialmente una divulgación de información por medio de un acceso adyacente A flaw was found in the Linux kernel. Improper access control in BlueZ may allow an authenticated user to potentially enable information disclosure via adjacent access. The highest threat from this vulnerability is to data confidentiality and integrity. • https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html https://lists.debian.org/debian-lts-announce/2021/06/msg00022.html https://security.gentoo.org/glsa/202209-16 https://security.netapp.com/advisory/ntap-20210716-0002 https://www.debian.org/security/2021/dsa-4951 https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00517.html https://access.redhat.com/security/cve/CVE-2021& • CWE-287: Improper Authentication •
CVE-2020-36386 – kernel: slab out-of-bounds read in hci_extended_inquiry_result_evt() in net/bluetooth/hci_event.c
https://notcve.org/view.php?id=CVE-2020-36386
An issue was discovered in the Linux kernel before 5.8.1. net/bluetooth/hci_event.c has a slab out-of-bounds read in hci_extended_inquiry_result_evt, aka CID-51c19bf3d5cf. Se ha detectado un problema en el kernel de Linux versiones anteriores a 5.8.1. El archivo net/bluetooth/hci_event.c presenta una lectura fuera de límites en la función hci_extended_inquiry_result_evt, también se conoce como CID-51c19bf3d5cf A flaw out of bounds memory access in the Linux kernel bluetooth subsystem was found in the way when some data being read about the bluetooth device with the hci_extended_inquiry_result_evt call. A local user could use this flaw to crash the system or read some data out of memory bounds that can lead to data confidentiality threat. • https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.1 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=51c19bf3d5cfaa66571e4b88ba2a6f6295311101 https://sites.google.com/view/syzscope/kasan-slab-out-of-bounds-read-in-hci_extended_inquiry_result_evt https://syzkaller.appspot.com/bug?id=4bf11aa05c4ca51ce0df86e500fce486552dc8d2 https://syzkaller.appspot.com/text?tag=ReproC&x=15ca2f46900000 https://access.redhat.com/security/cve/CVE-2020-36386 https://bugzilla.redhat.com • CWE-125: Out-of-bounds Read •
CVE-2020-36387
https://notcve.org/view.php?id=CVE-2020-36387
An issue was discovered in the Linux kernel before 5.8.2. fs/io_uring.c has a use-after-free related to io_async_task_func and ctx reference holding, aka CID-6d816e088c35. Se ha detectado un problema en el kernel de Linux versiones anteriores a 5.8.2. El archivo fs/io_uring.c presenta un uso de la memoria previamente liberada relacionado con la función io_async_task_func y la retención de referencias ctx, también conocido como CID-6d816e088c35 • https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.2 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6d816e088c359866f9867057e04f244c608c42fe https://security.netapp.com/advisory/ntap-20210727-0006 https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-io_async_task_func https://syzkaller.appspot.com/bug?id=ce5f07d6ec3b5050b8f0728a3b389aa510f2591b • CWE-416: Use After Free •
CVE-2019-25045
https://notcve.org/view.php?id=CVE-2019-25045
An issue was discovered in the Linux kernel before 5.0.19. The XFRM subsystem has a use-after-free, related to an xfrm_state_fini panic, aka CID-dbb2483b2a46. Se ha detectado un problema en el kernel de Linux versiones anteriores a 5.0.19. El subsistema XFRM presenta un uso de la memoria previamente liberada, relacionado con un pánico de la función xfrm_state_fini, también se conoce como CID-dbb2483b2a46 • https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.19 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=dbb2483b2a46fbaf833cfb5deb5ed9cace9c7399 https://security.netapp.com/advisory/ntap-20210720-0003 https://sites.google.com/view/syzscope/warning-in-xfrm_state_fini-2 https://syzkaller.appspot.com/bug?id=f99edaeec58ad40380ed5813d89e205861be2896 • CWE-416: Use After Free •