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linux mac80211 - vulnerabilities and exploits
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4.6
CVSSv2
CVE-2021-28691
Guest triggered use-after-free in Linux xen-netback A malicious or buggy network PV frontend can force Linux netback to disable the interface and terminate the receive kernel thread associated with queue 0 in response to the frontend sending a malformed packet. Such kernel thread...
Linux Linux Kernel
Netapp Cloud Backup -
Netapp H410c Firmware -
Netapp H300s Firmware -
Netapp H500s Firmware -
Netapp H700s Firmware -
Netapp H300e Firmware -
Netapp H500e Firmware -
Netapp H700e Firmware -
Netapp H410s Firmware -
4.7
CVSSv2
CVE-2021-33624
In kernel/bpf/verifier.c in the Linux kernel prior to 5.12.13, a branch can be mispredicted (e.g., because of type confusion) and consequently an unprivileged BPF program can read arbitrary memory locations via a side-channel attack, aka CID-9183671af6db.
Linux Linux Kernel
Debian Debian Linux 9.0
1 Github repository
2.1
CVSSv2
CVE-2021-34693
net/can/bcm.c in the Linux kernel up to and including 5.12.10 allows local users to obtain sensitive information from kernel stack memory because parts of a data structure are uninitialized.
Linux Linux Kernel
Debian Debian Linux 9.0
Debian Debian Linux 10.0
2.7
CVSSv2
CVE-2021-0129
Improper access control in BlueZ may allow an authenticated user to potentially enable information disclosure via adjacent access.
Bluez Bluez
Redhat Enterprise Linux 7.0
Redhat Enterprise Linux 8.0
Debian Debian Linux 9.0
2.1
CVSSv2
CVE-2021-3564
A flaw double-free memory corruption in the Linux kernel HCI device initialization subsystem was found in the way user attach malicious HCI TTY Bluetooth device. A local user could use this flaw to crash the system. This flaw affects all the Linux kernel versions starting from 3....
Linux Linux Kernel
Fedoraproject Fedora 34
Debian Debian Linux 9.0
7.2
CVSSv2
CVE-2021-3489
The eBPF RINGBUF bpf_ringbuf_reserve() function in the Linux kernel did not check that the allocated size was smaller than the ringbuf size, allowing an malicious user to perform out-of-bounds writes within the kernel and therefore, arbitrary code execution. This issue was fixed ...
Linux Linux Kernel
Linux Linux Kernel 5.13
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 20.10
Canonical Ubuntu Linux 21.04
1 Github repository
7.2
CVSSv2
CVE-2021-3490
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 049c4...
Linux Linux Kernel
Linux Linux Kernel 5.13
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 20.10
Canonical Ubuntu Linux 21.04
6 Github repositories
1 Article
7.2
CVSSv2
CVE-2021-3491
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/<PID>/mem. This could be used to create a heap overflow leading to arbitrary code e...
Linux Linux Kernel
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 20.10
Canonical Ubuntu Linux 21.04
7.2
CVSSv2
CVE-2021-3543
A flaw null pointer dereference in the Nitro Enclaves kernel driver was found in the way that Enclaves VMs forces closures on the enclave file descriptor. A local user of a host machine could use this flaw to crash the system or escalate their privileges on the system.
Nitro Enclaves Project Nitro Enclaves
Redhat Enterprise Linux 8.0
Fedoraproject Fedora 34
4.6
CVSSv2
CVE-2021-22543
An issue exists in Linux: KVM through Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks and can lead to pages being freed while still accessible by the VMM and guest. This allows users with the ability to start and control a VM to read/write random pages of me...
Linux Linux Kernel 2021-05-18
Fedoraproject Fedora 33
Fedoraproject Fedora 34
Debian Debian Linux 9.0
Netapp H410c Firmware -
Netapp H300s Firmware -
Netapp H500s Firmware -
Netapp H700s Firmware -
Netapp H300e Firmware -
Netapp H500e Firmware -
Netapp H700e Firmware -
Netapp H410s Firmware -
Netapp Cloud Backup -
Netapp Solidfire Baseboard Management Controller Firmware -
CVSSv2
CVSSv2
CVSSv3
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