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CVE-2022-2526

systemd-resolved: use-after-free when dealing with DnsStream in resolved-dns-stream.c

A use-after-free vulnerability was found in systemd. This issue occurs due to the on_stream_io() function and dns_stream_complete() function in 'resolved-dns-stream.c' not incrementing the reference counting for the DnsStream object. Therefore, other functions and callbacks called can dereference the DNSStream object, causing the use-after-free when the reference is still used later.

CVSS 3.1 · 9.8 Critical EPSS 1.4% KEV · Not listed
Vendors
Netapp Redhat Systemd Project
Products
Active Iq Unified Manager H300s H300s Firmware and 11 more
CVE-2022-2132

dpdk: DoS when a Vhost header crosses more than two descriptors and exhausts all mbufs

A permissive list of allowed inputs flaw was found in DPDK. This issue allows a remote attacker to cause a denial of service triggered by sending a crafted Vhost header to DPDK.

CVSS 3.1 · 8.6 High EPSS 2.4% KEV · Not listed
Vendors
Debian Dpdk Fedoraproject and 1 more
Products
Debian Linux Data Plane Development Kit Fedora and 12 more
CVE-2022-29901

Arbitrary Memory Disclosure through CPU Side-Channel Attacks (Retbleed)

Intel microprocessor generations 6 to 8 are affected by a new Spectre variant that is able to bypass their retpoline mitigation in the kernel to leak arbitrary data. An attacker with unprivileged user access can hijack return instructions to achieve arbitrary speculative code execution under certain microarchitecture-dependent conditions.

CVSS 3.1 · 5.6 Medium EPSS 5.0% KEV · Not listed
Vendors
Debian Fedoraproject Intel and 3 more
Products
Debian Linux Fedora Core I3-6100 and 255 more
CVE-2022-29900

hw: cpu: AMD: RetBleed Arbitrary Speculative Code Execution with Return Instructions

Mis-trained branch predictions for return instructions may allow arbitrary speculative code execution under certain microarchitecture-dependent conditions.

CVSS 3.1 · 6.5 Medium EPSS 3.9% KEV · Not listed
Vendors
Amd Debian Fedoraproject and 2 more
Products
A10-9600p A10-9600p Firmware A10-9630p and 250 more
CVE-2022-29154

rsync: remote arbitrary files write inside the directories of connecting peers

An issue was discovered in rsync before 3.2.5 that allows malicious remote servers to write arbitrary files inside the directories of connecting peers. The server chooses which files/directories are sent to the client. However, the rsync client performs insufficient validation of file names. A malicious rsync server (or Man-in-The-Middle attacker) can overwrite arbitrary files in the rsync client target directory and subdirectories (for example, overwrite the .ssh/authorized_keys file).

CVSS 3.1 · 7.4 High EPSS 2.3% KEV · Not listed
Vendors
Fedoraproject Redhat Samba
Products
Fedora Enterprise Linux Rhel E4s and 3 more
CVE-2022-28893

kernel: use after free in SUNRPC subsystem

The SUNRPC subsystem in the Linux kernel through 5.17.2 can call xs_xprt_free before ensuring that sockets are in the intended state.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Debian Linux Netapp and 1 more
Products
Debian Linux Linux Kernel H300e and 22 more
CVE-2022-25636

kernel: heap out of bounds write in nf_dup_netdev.c

net/netfilter/nf_dup_netdev.c in the Linux kernel 5.4 through 5.6.10 allows local users to gain privileges because of a heap out-of-bounds write. This is related to nf_tables_offload.

CVSS 3.1 · 7.8 High EPSS 2.6% KEV · Not listed
Vendors
Debian Linux Netapp and 2 more
Products
Debian Linux Linux Kernel H300e and 13 more
CVE-2022-25265

kernel: Executable Space Protection Bypass

In the Linux kernel through 5.16.10, certain binary files may have the exec-all attribute if they were built in approximately 2003 (e.g., with GCC 3.2.2 and Linux kernel 2.4.20). This can cause execution of bytes located in supposedly non-executable regions of a file.

CVSS 3.1 · 7.8 High EPSS 1.1% KEV · Not listed
Vendors
Linux Netapp Redhat
Products
Linux Kernel Baseboard Management Controller Firmware H300e and 17 more
CVE-2022-24448

kernel: nfs_atomic_open() returns uninitialized data instead of ENOTDIR

An issue was discovered in fs/nfs/dir.c in the Linux kernel before 5.16.5. If an application sets the O_DIRECTORY flag, and tries to open a regular file, nfs_atomic_open() performs a regular lookup. If a regular file is found, ENOTDIR should occur, but the server instead returns uninitialized data in the file descriptor.

CVSS 3.1 · 3.3 Low EPSS < 1% KEV · Not listed
Vendors
Debian Linux Redhat
Products
Debian Linux Linux Kernel Enterprise Linux and 2 more
CVE-2022-23222

kernel: local privileges escalation in kernel/bpf/verifier.c

kernel/bpf/verifier.c in the Linux kernel through 5.15.14 allows local users to gain privileges because of the availability of pointer arithmetic via certain *_OR_NULL pointer types.

CVSS 3.1 · 7.8 High EPSS 2.0% KEV · Not listed
Vendors
Debian Fedoraproject Linux and 2 more
Products
Debian Linux Fedora Linux Kernel and 19 more
CVE-2022-22942

kernel: failing usercopy allows for use-after-free exploitation

The vmwgfx driver contains a local privilege escalation vulnerability that allows unprivileged users to gain access to files opened by other processes on the system through a dangling 'file' pointer.

CVSS 3.1 · 7.8 High EPSS 2.6% KEV · Not listed
Vendors
Redhat Vmware
Products
Enterprise Linux Rhel Aus Rhel E4s and 5 more
CVE-2022-21499

kernel: possible to use the debugger to write zero into a location of choice

KGDB and KDB allow read and write access to kernel memory, and thus should be restricted during lockdown. An attacker with access to a serial port could trigger the debugger so it is important that the debugger respect the lockdown mode when/if it is triggered. CVSS 3.1 Base Score 6.7 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).

CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed
Vendors
Debian Oracle Redhat
Products
Debian Linux Linux Enterprise Linux and 2 more
CVE-2022-20141

kernel: igmp: use-after-free in ip_check_mc_rcu when opening and closing inet sockets

In ip_check_mc_rcu of igmp.c, there is a possible use after free due to improper locking. This could lead to local escalation of privilege when opening and closing inet sockets with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-112551163References: Upstream kernel

CVSS 3.1 · 7.0 High EPSS < 1% KEV · Not listed
Vendors
Google Redhat
Products
Android Enterprise Linux Rhel Eus and 1 more
CVE-2022-1729

kernel: race condition in perf_event_open leads to privilege escalation

A race condition was found the Linux kernel in perf_event_open() which can be exploited by an unprivileged user to gain root privileges. The bug allows to build several exploit primitives such as kernel address information leak, arbitrary execution, etc.

CVSS 3.1 · 7.0 High EPSS < 1% KEV · Not listed
Vendors
Linux Netapp Redhat
Products
Linux Kernel Hci Baseboard Management Controller Enterprise Linux and 6 more
CVE-2022-1629

Buffer Over-read in function find_next_quote in vim/vim

Buffer Over-read in function find_next_quote in GitHub repository vim/vim prior to 8.2.4925. This vulnerabilities are capable of crashing software, Modify Memory, and possible remote execution

CVSS 3.1 · 7.8 High EPSS 1.9% KEV · Not listed
Vendors
Apple Fedoraproject Redhat and 1 more
Products
Macos Fedora Enterprise Linux and 2 more
CVE-2022-1621

Heap buffer overflow in vim_strncpy find_word in vim/vim

Heap buffer overflow in vim_strncpy find_word in GitHub repository vim/vim prior to 8.2.4919. This vulnerability is capable of crashing software, Bypass Protection Mechanism, Modify Memory, and possible remote execution

CVSS 3.1 · 7.8 High EPSS 2.4% KEV · Not listed
Vendors
Apple Debian Fedoraproject and 2 more
Products
Macos Debian Linux Fedora and 3 more