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CVE-2022-28356 – Ubuntu Security Notice USN-5469-1
https://notcve.org/view.php?id=CVE-2022-28356
02 Apr 2022 — In the Linux kernel before 5.17.1, a refcount leak bug was found in net/llc/af_llc.c. En el kernel de Linux versiones anteriores a 5.17.1, se encontró un bug de filtrado de refcount en el archivo net/llc/af_llc.c It was discovered that the Linux kernel did not properly restrict access to the kernel debugger when booted in secure boot environments. A privileged attacker could use this to bypass UEFI Secure Boot restrictions. Aaron Adams discovered that the netfilter subsystem in the Linux kernel did not prop... • http://www.openwall.com/lists/oss-security/2022/04/06/1 •
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CVE-2021-3847
https://notcve.org/view.php?id=CVE-2021-3847
01 Apr 2022 — An unauthorized access to the execution of the setuid file with capabilities flaw in the Linux kernel OverlayFS subsystem was found in the way user copying a capable file from a nosuid mount into another mount. A local user could use this flaw to escalate their privileges on the system. Se encontró un acceso no autorizado a la ejecución del archivo setuid con fallo de capacidades en el subsistema OverlayFS del kernel de Linux en la forma en que el usuario copia un archivo capaz de un montaje nosuid en otro ... • https://bugzilla.redhat.com/show_bug.cgi?id=2009704 • CWE-281: Improper Preservation of Permissions •
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CVE-2020-35501
https://notcve.org/view.php?id=CVE-2020-35501
30 Mar 2022 — A flaw was found in the Linux kernels implementation of audit rules, where a syscall can unexpectedly not be correctly not be logged by the audit subsystem Se ha encontrado un fallo en la implementación de reglas de auditoría en los kernels de Linux, donde una llamada al sistema puede no ser registrada correctamente por el subsistema de auditoría • https://bugzilla.redhat.com/show_bug.cgi?id=1908577 • CWE-863: Incorrect Authorization •
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CVE-2022-1055 – Use after Free in tc_new_tfilter allowing for privilege escalation in Linux Kernel
https://notcve.org/view.php?id=CVE-2022-1055
29 Mar 2022 — A use-after-free exists in the Linux Kernel in tc_new_tfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5 se presenta un uso de memoria previamente liberada en el Kernel de Linux en la función tc_new_tfilter que podría permitir a un atacante local alcanzar una escalada de privilegios. La explotación requiere espacios de nombres de usuarios no privilegiados. Recom... • http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.html • CWE-416: Use After Free •
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CVE-2022-0995 – Watch Queue Out-Of-Bounds Write
https://notcve.org/view.php?id=CVE-2022-0995
25 Mar 2022 — An out-of-bounds (OOB) memory write flaw was found in the Linux kernel’s watch_queue event notification subsystem. This flaw can overwrite parts of the kernel state, potentially allowing a local user to gain privileged access or cause a denial of service on the system. Se encontró un fallo de escritura en memoria fuera de límites (OOB) en el subsistema de notificación de eventos watch_queue del kernel de Linux. este fallo puede sobrescribir partes del estado del kernel, permitiendo potencialmente a un usuar... • https://packetstorm.news/files/id/166815 • CWE-787: Out-of-bounds Write •
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CVE-2022-0494 – kernel: information leak in scsi_ioctl()
https://notcve.org/view.php?id=CVE-2022-0494
25 Mar 2022 — A kernel information leak flaw was identified in the scsi_ioctl function in drivers/scsi/scsi_ioctl.c in the Linux kernel. This flaw allows a local attacker with a special user privilege (CAP_SYS_ADMIN or CAP_SYS_RAWIO) to create issues with confidentiality. Se ha identificado un fallo de filtrado de información del kernel en la función scsi_ioctl en el archivo drivers/scsi/scsi_ioctl.c en el kernel de Linux. este fallo permite a un atacante local con un privilegio de usuario especial (CAP_SYS_ADMIN o CAP_S... • https://bugzilla.redhat.com/show_bug.cgi?id=2039448 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-908: Use of Uninitialized Resource •
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CVE-2022-0854 – kernel: swiotlb information leak with DMA_FROM_DEVICE
https://notcve.org/view.php?id=CVE-2022-0854
23 Mar 2022 — A memory leak flaw was found in the Linux kernel’s DMA subsystem, in the way a user calls DMA_FROM_DEVICE. This flaw allows a local user to read random memory from the kernel space. Se ha encontrado un fallo de pérdida de memoria en el subsistema DMA del kernel de Linux, en la forma en que un usuario llama a DMA_FROM_DEVICE. Este fallo permite a un usuario local leer memoria aleatoria del espacio del kernel David Bouman discovered that the netfilter subsystem in the Linux kernel did not properly validate pa... • https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/kernel/dma/swiotlb.c?h=v5.17-rc8&id=aa6f8dcbab473f3a3c7454b74caa46d36cdc5d13 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-401: Missing Release of Memory after Effective Lifetime •
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CVE-2022-27666 – kernel: buffer overflow in IPsec ESP transformation code
https://notcve.org/view.php?id=CVE-2022-27666
23 Mar 2022 — A heap buffer overflow flaw was found in IPsec ESP transformation code in net/ipv4/esp4.c and net/ipv6/esp6.c. This flaw allows a local attacker with a normal user privilege to overwrite kernel heap objects and may cause a local privilege escalation threat. Se ha encontrado un fallo de desbordamiento del búfer de la pila en el código de transformación de IPsec ESP en net/ipv4/esp4.c y net/ipv6/esp6.c. Este fallo permite a un atacante local con un privilegio de usuario normal sobrescribir los objetos de la p... • https://github.com/plummm/CVE-2022-27666 • CWE-122: Heap-based Buffer Overflow CWE-787: Out-of-bounds Write •
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CVE-2022-0742 – Memory leak in ICMP6 in Linux Kernel
https://notcve.org/view.php?id=CVE-2022-0742
18 Mar 2022 — Memory leak in icmp6 implementation in Linux Kernel 5.13+ allows a remote attacker to DoS a host by making it go out-of-memory via icmp6 packets of type 130 or 131. We recommend upgrading past commit 2d3916f3189172d5c69d33065c3c21119fe539fc. Una pérdida de memoria en la implementación de icmp6 en el Kernel de Linux versión 5.13+, permite a un atacante remoto hacer DoS a un host haciendo que salga de la memoria por medio de paquetes icmp6 de tipo 130 o 131. Recomendamos actualizar el commit 2d3916f3189172d5c... • https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2d3916f3189172d5c69d33065c3c21119fe539fc • CWE-275: Permission Issues CWE-401: Missing Release of Memory after Effective Lifetime •
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CVE-2022-1011 – kernel: FUSE allows UAF reads of write() buffers, allowing theft of (partial) /etc/shadow hashes
https://notcve.org/view.php?id=CVE-2022-1011
18 Mar 2022 — A use-after-free flaw was found in the Linux kernel’s FUSE filesystem in the way a user triggers write(). This flaw allows a local user to gain unauthorized access to data from the FUSE filesystem, resulting in privilege escalation. Se ha encontrado un fallo de uso después de libre en el sistema de archivos FUSE del kernel de Linux en la forma en que un usuario activa write(). Este defecto permite a un usuario local obtener acceso no autorizado a los datos del sistema de archivos FUSE, lo que resulta en una... • https://packetstorm.news/files/id/166772 • CWE-416: Use After Free •