CVSS: 5.5EPSS: 0%CPEs: 3EXPL: 1CVE-2021-34693 – Ubuntu Security Notice USN-5073-1
https://notcve.org/view.php?id=CVE-2021-34693
14 Jun 2021 — 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 Maxim Levitsky and Paolo Bonzini discovered that the KVM hypervisor implementation for AMD processors... • http://www.openwall.com/lists/oss-security/2021/06/15/1 • 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
09 Jun 2021 — 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... • https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html • CWE-287: Improper Authentication •
CVSS: 7.8EPSS: 0%CPEs: 22EXPL: 0CVE-2021-33200 – kernel: out-of-bounds reads and writes due to enforcing incorrect limits for pointer arithmetic operations by BPF verifier
https://notcve.org/view.php?id=CVE-2021-33200
27 May 2021 — kernel/bpf/verifier.c in the Linux kernel through 5.12.7 enforces incorrect limits for pointer arithmetic operations, aka CID-bb01a1bba579. This can be abused to perform out-of-bounds reads and writes in kernel memory, leading to local privilege escalation to root. In particular, there is a corner case where the off reg causes a masking direction change, which then results in an incorrect final aux->alu_limit. El archivo kernel/bpf/verifier.c en el kernel de Linux versiones hasta 5.12.7, aplica límites inco... • https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3d0220f6861d713213b015b582e9f21e5b28d2e0 • CWE-787: Out-of-bounds Write •
CVSS: 7.8EPSS: 0%CPEs: 31EXPL: 2CVE-2020-25671 – Ubuntu Security Notice USN-5343-1
https://notcve.org/view.php?id=CVE-2020-25671
26 May 2021 — A vulnerability was found in Linux Kernel, where a refcount leak in llcp_sock_connect() causing use-after-free which might lead to privilege escalations. Se encontró una vulnerabilidad en el Kernel de Linux, donde un filtrado de refcount en la función llcp_sock_connect() causa un uso de la memoria previamente liberada que podría conllevar a una escaladas de privilegios Norbert Slusarek discovered a race condition in the CAN BCM networking protocol of the Linux kernel leading to multiple use-after-free vulne... • http://www.openwall.com/lists/oss-security/2020/11/01/1 • CWE-416: Use After Free •
CVSS: 4.3EPSS: 0%CPEs: 34EXPL: 0CVE-2020-26558 – bluez: Passkey Entry protocol of the Bluetooth Core is vulnerable to an impersonation attack
https://notcve.org/view.php?id=CVE-2020-26558
24 May 2021 — Bluetooth LE and BR/EDR secure pairing in Bluetooth Core Specification 2.1 through 5.2 may permit a nearby man-in-the-middle attacker to identify the Passkey used during pairing (in the Passkey authentication procedure) by reflection of the public key and the authentication evidence of the initiating device, potentially permitting this attacker to complete authenticated pairing with the responding device using the correct Passkey for the pairing session. The attack methodology determines the Passkey value o... • https://kb.cert.org/vuls/id/799380 • CWE-287: Improper Authentication •
CVSS: 7.8EPSS: 0%CPEs: 1EXPL: 2CVE-2021-33033 – kernel: use-after-free in cipso_v4_genopt in net/ipv4/cipso_ipv4.c
https://notcve.org/view.php?id=CVE-2021-33033
14 May 2021 — The Linux kernel before 5.11.14 has a use-after-free in cipso_v4_genopt in net/ipv4/cipso_ipv4.c because the CIPSO and CALIPSO refcounting for the DOI definitions is mishandled, aka CID-ad5d07f4a9cd. This leads to writing an arbitrary value. El kernel de Linux versiones anteriores a 5.11.14, presenta un uso de la memoria previamente liberada en una función cipso_v4_genopt en el archivo net/ipv4/cipso_ipv4.c, porque el recuento de CIPSO y CALIPSO para las definiciones DOI es manejado inapropiadamente, tambié... • https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.14 • CWE-416: Use After Free •
CVSS: 7.8EPSS: 0%CPEs: 3EXPL: 3CVE-2021-33034 – kernel: use-after-free in net/bluetooth/hci_event.c when destroying an hci_chan
https://notcve.org/view.php?id=CVE-2021-33034
14 May 2021 — In the Linux kernel before 5.12.4, net/bluetooth/hci_event.c has a use-after-free when destroying an hci_chan, aka CID-5c4c8c954409. This leads to writing an arbitrary value. En el kernel de Linux versiones anteriores a 5.12.4, el archivo net/bluetooth/hci_event.c, presenta un uso de la memoria previamente liberada cuando se destruye un hci_chan, también se conoce como CID-5c4c8c954409. Esto conlleva a escribir un valor arbitrario A use-after-free flaw was found in hci_send_acl in the bluetooth host co... • https://github.com/Trinadh465/device_renesas_kernel_AOSP10_r33_CVE-2021-33034 • CWE-416: Use After Free •
CVSS: 7.8EPSS: 0%CPEs: 4EXPL: 0CVE-2021-23134 – Linux kernel llcp_sock_bind/connect use-after-free
https://notcve.org/view.php?id=CVE-2021-23134
12 May 2021 — Use After Free vulnerability in nfc sockets in the Linux Kernel before 5.12.4 allows local attackers to elevate their privileges. In typical configurations, the issue can only be triggered by a privileged local user with the CAP_NET_RAW capability. Una vulnerabilidad de uso de la memoria previamente liberada en nfc sockets en el Kernel de Linux versiones anteriores a 5.12.4 permite a atacantes locales escalar sus privilegios. En configuraciones típicas, el problema solo puede ser desencadenado por un usuari... • https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=c61760e6940d • CWE-416: Use After Free •
CVSS: 8.8EPSS: 0%CPEs: 6EXPL: 0CVE-2021-3491 – Linux kernel io_uring PROVIDE_BUFFERS MAX_RW_COUNT bypass
https://notcve.org/view.php?id=CVE-2021-3491
12 May 2021 — The io_uring subsystem in the Linux kernel allowed the MAX_RW_COUNT limit to be bypassed in the PROVIDE_BUFFERS operation, which led to negative values being usedin mem_rw when reading /proc/
CVSS: 8.8EPSS: 0%CPEs: 10EXPL: 4CVE-2021-3490 – Linux kernel eBPF bitwise ops ALU32 bounds tracking
https://notcve.org/view.php?id=CVE-2021-3490
12 May 2021 — The eBPF ALU32 bounds tracking for bitwise ops (AND, OR and XOR) in the Linux kernel did not properly update 32-bit bounds, which could be turned into out of bounds reads and writes in the Linux kernel and therefore, arbitrary code execution. This issue was fixed via commit 049c4e13714e ("bpf: Fix alu32 const subreg bound tracking on bitwise operations") (v5.13-rc4) and backported to the stable kernels in v5.12.4, v5.11.21, and v5.10.37. The AND/OR issues were introduced by commit 3f50f132d840 ("bpf: Verifi... • https://packetstorm.news/files/id/164015 • CWE-20: Improper Input Validation CWE-125: Out-of-bounds Read CWE-787: Out-of-bounds Write •