CVSS: 7.0EPSS: 0%CPEs: 68EXPL: 1CVE-2021-3609 – kernel: race condition in net/can/bcm.c leads to local privilege escalation
https://notcve.org/view.php?id=CVE-2021-3609
.A flaw was found in the CAN BCM networking protocol in the Linux kernel, where a local attacker can abuse a flaw in the CAN subsystem to corrupt memory, crash the system or escalate privileges. This race condition in net/can/bcm.c in the Linux kernel allows for local privilege escalation to root. Se ha encontrado un fallo en el protocolo de red CAN BCM en el kernel de Linux, donde un atacante local puede abusar de un fallo en el subsistema CAN para corromper la memoria, bloquear el sistema o escalar privilegios. Esta condición de carrera en el archivo net/can/bcm.c en el kernel de Linux permite una escalada de privilegios local a root A flaw was found in the CAN BCM networking protocol in the Linux kernel, where a local attacker can abuse a flaw in the CAN subsystem to corrupt memory, crash the system or escalate privileges. • https://bugzilla.redhat.com/show_bug.cgi?id=1971651 https://github.com/nrb547/kernel-exploitation/blob/main/cve-2021-3609/cve-2021-3609.md https://github.com/torvalds/linux/commit/d5f9023fa61ee8b94f37a93f08e94b136cf1e463 https://security.netapp.com/advisory/ntap-20220419-0004 https://www.openwall.com/lists/oss-security/2021/06/19/1 https://access.redhat.com/security/cve/CVE-2021-3609 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •
CVSS: 7.1EPSS: 0%CPEs: 1EXPL: 1CVE-2021-32078
https://notcve.org/view.php?id=CVE-2021-32078
An Out-of-Bounds Read was discovered in arch/arm/mach-footbridge/personal-pci.c in the Linux kernel through 5.12.11 because of the lack of a check for a value that shouldn't be negative, e.g., access to element -2 of an array, aka CID-298a58e165e4. Se ha detectado una lectura fuera de límites en el archivo arch/arm/mach-footbridge/personal-pci.c en el kernel de Linux versiones hasta 5.12.11, debido a una falta de comprobación de un valor que no debería ser negativo, por ejemplo, el acceso al elemento -2 de un array, también se conoce como CID-298a58e165e4 • https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=298a58e165e447ccfaae35fe9f651f9d7e15166f https://github.com/torvalds/linux/commit/298a58e165e447ccfaae35fe9f651f9d7e15166f https://kirtikumarar.com/CVE-2021-32078.txt https://security.netapp.com/advisory/ntap-20210813-0002 • CWE-125: Out-of-bounds Read •
CVSS: 5.5EPSS: 0%CPEs: 3EXPL: 1CVE-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 •
CVSS: 6.4EPSS: 0%CPEs: 12EXPL: 0CVE-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 •
CVSS: 7.8EPSS: 0%CPEs: 19EXPL: 0CVE-2020-36385 – kernel: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free
https://notcve.org/view.php?id=CVE-2020-36385
An issue was discovered in the Linux kernel before 5.10. drivers/infiniband/core/ucma.c has a use-after-free because the ctx is reached via the ctx_list in some ucma_migrate_id situations where ucma_close is called, aka CID-f5449e74802c. Se ha detectado un problema en el kernel de Linux versiones anteriores a 5.10. El archivo drivers/infiniband/core/ucma.c, presenta un uso de la memoria previamente liberada porque el ctx es alcanzado por medio de la función ctx_list en algunas situaciones donde la función ucma_migrate_id en que la función ucma_close, es llamada también se conoce como CID-f5449e74802c An issue was discovered in the Linux kernels Userspace Connection Manager Access for RDMA. This could allow a local attacker to crash the system, corrupt memory or escalate privileges. • https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f5449e74802c1112dea984aec8af7a33c4516af1 https://security.netapp.com/advisory/ntap-20210720-0004 https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-ucma_close-2 https://syzkaller.appspot.com/bug?id=457491c4672d7b52c1007db213d93e47c711fae6 https://www.starwindsoftware.com/security/sw-20220802-0002 https://access.redhat.com/security/cve/CVE-2020-36385 • CWE-416: Use After Free •