CVE-2023-6915 – Kernel: null pointer dereference vulnerability in ida_free in lib/idr.c
https://notcve.org/view.php?id=CVE-2023-6915
15 Jan 2024 — A Null pointer dereference problem was found in ida_free in lib/idr.c in the Linux Kernel. This issue may allow an attacker using this library to cause a denial of service problem due to a missing check at a function return. Se encontró un problema de desreferencia de puntero null en ida_free en lib/idr.c en el kernel de Linux. Este problema puede permitir que un atacante que utilice esta librería cause un problema de denegación de servicio debido a una verificación faltante en el retorno de una función. We... • https://access.redhat.com/errata/RHSA-2024:2394 • CWE-476: NULL Pointer Dereference •
CVE-2024-0646 – Kernel: ktls overwrites readonly memory pages when using function splice with a ktls socket as destination
https://notcve.org/view.php?id=CVE-2024-0646
12 Jan 2024 — An out-of-bounds memory write flaw was found in the Linux kernel’s Transport Layer Security functionality in how a user calls a function splice with a ktls socket as the destination. This flaw allows a local user to crash or potentially escalate their privileges on the system. Se encontró un fallo de escritura de memoria fuera de los límites en la funcionalidad Transport Layer Security del kernel de Linux en la forma en que un usuario llama a una función splice con un socket ktls como destino. este fallo pe... • https://packetstorm.news/files/id/176534 • CWE-787: Out-of-bounds Write •
CVE-2023-6531 – Kernel: gc's deletion of an skb races with unix_stream_read_generic() leading to uaf
https://notcve.org/view.php?id=CVE-2023-6531
02 Jan 2024 — A use-after-free flaw was found in the Linux Kernel due to a race problem in the unix garbage collector's deletion of SKB races with unix_stream_read_generic() on the socket that the SKB is queued on. Se encontró una falla de use-after-free en el kernel de Linux debido a un problema de ejecución en la eliminación de ejecución de SKB por parte del recolector de basura de Unix con unix_stream_read_generic() en el socket en el que el SKB está en cola. It was discovered that a race condition existed in the ATM ... • https://packetstorm.news/files/id/176533 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') CWE-416: Use After Free •
CVE-2023-51782 – Ubuntu Security Notice USN-6681-2
https://notcve.org/view.php?id=CVE-2023-51782
25 Dec 2023 — An issue was discovered in the Linux kernel before 6.6.8. rose_ioctl in net/rose/af_rose.c has a use-after-free because of a rose_accept race condition. Se descubrió un problema en el kernel de Linux anterior a 6.6.8. rose_ioctl en net/rose/af_rose.c tiene un use after free debido a una condición de ejecución rose_accept. Wenqing Liu discovered that the f2fs file system implementation in the Linux kernel did not properly validate inode types while performing garbage collection. An attacker could use this to... • https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.8 • CWE-416: Use After Free •
CVE-2023-51781 – Ubuntu Security Notice USN-6651-2
https://notcve.org/view.php?id=CVE-2023-51781
25 Dec 2023 — An issue was discovered in the Linux kernel before 6.6.8. atalk_ioctl in net/appletalk/ddp.c has a use-after-free because of an atalk_recvmsg race condition. Se descubrió un problema en el kernel de Linux anterior a 6.6.8. atalk_ioctl en net/appletalk/ddp.c tiene un use after free debido a una condición de ejecución atalk_recvmsg. It was discovered that the Layer 2 Tunneling Protocol implementation in the Linux kernel contained a race condition when releasing PPPoL2TP sockets in certain conditions, leading ... • https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.8 • CWE-416: Use After Free •
CVE-2023-51780 – kernel: use-after-free in net/atm/ioctl.c
https://notcve.org/view.php?id=CVE-2023-51780
25 Dec 2023 — An issue was discovered in the Linux kernel before 6.6.8. do_vcc_ioctl in net/atm/ioctl.c has a use-after-free because of a vcc_recvmsg race condition. Se descubrió un problema en el kernel de Linux anterior a 6.6.8. do_vcc_ioctl en net/atm/ioctl.c tiene un use after free debido a una condición de ejecución vcc_recvmsg. A use-after-free flaw was found in the Linux kernel's net/atm/ioctl.c (ATM networking technology driver): do_vcc_ioctl in net/atm/ioctl.c is vulnerable to use-after-free due to a race condit... • https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.8 • CWE-416: Use After Free •
CVE-2023-6932 – Use-after-free in Linux kernel's ipv4: igmp component
https://notcve.org/view.php?id=CVE-2023-6932
19 Dec 2023 — A use-after-free vulnerability in the Linux kernel's ipv4: igmp component can be exploited to achieve local privilege escalation. A race condition can be exploited to cause a timer be mistakenly registered on a RCU read locked object which is freed by another thread. We recommend upgrading past commit e2b706c691905fe78468c361aaabc719d0a496f1. Una vulnerabilidad de use after free en el componente ipv4: igmp del kernel de Linux se puede explotar para lograr una escalada de privilegios local. Se puede aprovech... • http://packetstormsecurity.com/files/177029/Kernel-Live-Patch-Security-Notice-LSN-0100-1.html • CWE-416: Use After Free •
CVE-2023-6931 – Out-of-bounds write in Linux kernel's Performance Events system component
https://notcve.org/view.php?id=CVE-2023-6931
19 Dec 2023 — A heap out-of-bounds write vulnerability in the Linux kernel's Performance Events system component can be exploited to achieve local privilege escalation. A perf_event's read_size can overflow, leading to an heap out-of-bounds increment or write in perf_read_group(). We recommend upgrading past commit 382c27f4ed28f803b1f1473ac2d8db0afc795a1b. Se puede aprovechar una vulnerabilidad de escritura fuera de los límites en la pila en el componente del sistema Performance Events del kernel de Linux para lograr una... • https://github.com/K0n9-log/CVE-2023-6931 • CWE-787: Out-of-bounds Write •
CVE-2023-6817 – Use-after-free in Linux kernel's netfilter: nf_tables component
https://notcve.org/view.php?id=CVE-2023-6817
18 Dec 2023 — A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. The function nft_pipapo_walk did not skip inactive elements during set walk which could lead double deactivations of PIPAPO (Pile Packet Policies) elements, leading to use-after-free. We recommend upgrading past commit 317eb9685095678f2c9f5a8189de698c5354316a. Una vulnerabilidad de use after free en el componente netfilter: nf_tables del kernel de Linux puede explotarse... • http://packetstormsecurity.com/files/177029/Kernel-Live-Patch-Security-Notice-LSN-0100-1.html • CWE-416: Use After Free •
CVE-2023-6560 – Kernel: io_uring out of boundary memory access in __io_uaddr_map()
https://notcve.org/view.php?id=CVE-2023-6560
08 Dec 2023 — An out-of-bounds memory access flaw was found in the io_uring SQ/CQ rings functionality in the Linux kernel. This issue could allow a local user to crash the system. Se encontró una falla de acceso a memoria fuera de los límites en la funcionalidad de anillos io_uring SQ/CQ en el kernel de Linux. Este problema podría permitir que un usuario local bloquee el sistema. é»æèª discovered that the NFC Controller Interface implementation in the Linux kernel did not properly handle certain m... • https://packetstorm.news/files/id/176405 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-823: Use of Out-of-range Pointer Offset •