CVE-2021-20177

A flaw was found in the Linux kernel's implementation of string matching within a packet. A privileged user with root or CAPNETADMIN when inserting iptables rules could insert a rule which can panic the system. Kernel before kernel 5.5-rc1 is affected...

PT-2021-4254 · Linux +8 · Linux Kernel +8

Name of the Vulnerable Software and Affected Versions: Linux kernel versions 3.13 and later Description: A double-free memory corruption flaw was found in the Linux kernel's HCI device initialization subsystem. This issue arises when a user attaches a malicious HCI TTY Bluetooth device. A local...

DEBIAN-CVE-2021-23134

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 CAPNETRAW capability...

DEBIAN-CVE-2021-3501

A flaw was found in the Linux kernel in versions before 5.12. The value of internal.ndata, in the KVM API, is mapped to an array index, which can be updated by a user process at anytime which could lead to an out-of-bounds write. The highest threat from this vulnerability is to data integrity and...

PT-2021-8010 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 5.12.0-rc5 Description: The issue is related to an array overrun in the rtw get tx power params function. This occurs when the value of group is 5 for channel 14, causing an out-of-bounds access in the bw40 base...

Linux Kernel 5.4 BleedingTooth Remote Code Execution

/ BleedingTooth: Linux Bluetooth Zero-Click Remote Code Execution by Andy Nguyen theflow@ This Proof-Of-Concept demonstrates the exploitation of CVE-2020-12351 and CVE-2020-12352. Compile using: $ gcc -o exploit exploit.c -lbluetooth and execute as: $ sudo ./exploit targetmac sourceip sourceport ...

An issue was discovered in the Linux kernel before 5.11.11. The BPF subsystem does not properly consider that resolved_ids and resolved_sizes are intentionally uninitialized in the vmlinux BPF Type Format (BTF) which can cause a system crash upon an unexpected access attempt (in map_create in kernel/bpf/syscall.c or check_btf_info in kernel/bpf/verifier.c) aka CID-350a5c4dd245.

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CVE-2021-30002

An issue was discovered in the Linux kernel before 5.11.3 when a webcam device exists. videousercopy in drivers/media/v4l2-core/v4l2-ioctl.c has a memory leak for large arguments, aka CID-fb18802a338b...

UBUNTU-CVE-2021-29649

An issue was discovered in the Linux kernel before 5.11.11. The user mode driver UMD has a copyprocess memory leak, related to a lack of cleanup steps in kernel/usermodedriver.c and kernel/bpf/preload/bpfpreloadkern.c, aka CID-f60a85cad677...

CVE-2021-28971

In intelpmudrainpebsnhm in arch/x86/events/intel/ds.c in the Linux kernel through 5.11.8 on some Haswell CPUs, userspace applications such as perf-fuzzer can cause a system crash because the PEBS status in a PEBS record is mishandled, aka CID-d88d05a9e0b6...

[SECURITY] Fedora 32 Update: kernel-5.10.20-100.fc32

The kernel meta package...

Linux: special config may crash when trying to map foreign pages

ISSUE DESCRIPTION With CONFIGXENBALLOONMEMORYHOTPLUG disabled and CONFIGXENUNPOPULATEDALLOC enabled the Linux kernel will use guest physical addresses allocated via the ZONEDEVICE functionality for mapping foreign guest's pages. This will result in problems, as the p2m list will only cover the...

AZL-6522 CVE-2020-16120 affecting package kernel for versions less than 5.10.78.1-1

Overlayfs did not properly perform permission checking when copying up files in an overlayfs and could be exploited from within a user namespace, if, for example, unprivileged user namespaces were allowed. It was possible to have a file not readable by an unprivileged user to be copied to a...

Design/Logic Flaw

Overlayfs did not properly perform permission checking when copying up files in an overlayfs and could be exploited from within a user namespace, if, for example, unprivileged user namespaces were allowed. It was possible to have a file not readable by an unprivileged user to be copied to a...

Linux kernel denial of service vulnerability (CNVD-2020-66311)

The Linux kernel is a computer operating system kernel written in C and assembly language, compliant with the POSIX standard, and distributed under the GNU General Public License. A code issue vulnerability exists in Linux kernel version 5.9.9 and earlier versions, which stems from an issue found...

UBUNTU-CVE-2020-27152

An issue was discovered in ioapiclazyupdateeoi in arch/x86/kvm/ioapic.c in the Linux kernel before 5.9.2. It has an infinite loop related to improper interaction between a resampler and edge triggering, aka CID-77377064c3a9...

CVE-2020-27152

An issue was discovered in ioapiclazyupdateeoi in arch/x86/kvm/ioapic.c in the Linux kernel before 5.9.2. It has an infinite loop related to improper interaction between a resampler and edge triggering, aka CID-77377064c3a9...

Amazon Linux AMI : kernel (ALAS-2020-1430)

The version of kernel installed on the remote host is prior to 4.14.193-113.317. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2020-1430 advisory. 2024-05-23: CVE-2020-14356 was added to this advisory. A flaw null pointer dereference in the Linux kernel cgroupv2...

Linux kernel code issue vulnerability (CNVD-2020-31116)

Linux kernel is the kernel used by Linux, the open source operating system released by the Linux Foundation in the United States. A code issue vulnerability exists in the 'tw5864handleframe' function in the drivers/media/pci/tw5864/tw5864-video.c file in versions of Linux kernel prior to 5.2. An...

Linux kernel buffer overflow vulnerability (CNVD-2020-23406)

Linux kernel is the kernel used by Linux, the open source operating system released by the Linux Foundation in the United States. A buffer overflow vulnerability exists in the mpolparsestr file in mm/mempolicy.c in Linux kernel 5.6.2 and earlier, which stems from a program failing to properly...