Redhat Virtualization Host vulnerabilities

CVE-2023-3758 [HIGH] CWE-362 CVE-2023-3758: A race condition flaw was found in sssd where the GPO policy is not consistently applied for authent A race condition flaw was found in sssd where the GPO policy is not consistently applied for authenticated users. This may lead to improper authorization issues, granting or denying access to resources inappropriately.

CVE-2023-6535 [MEDIUM] CWE-476 CVE-2023-6535: A flaw was found in the Linux kernel's NVMe driver. This issue may allow an unauthenticated maliciou A flaw was found in the Linux kernel's NVMe driver. This issue may allow an unauthenticated malicious actor to send a set of crafted TCP packages when using NVMe over TCP, leading the NVMe driver to a NULL pointer dereference in the NVMe driver, causing kernel panic and a denial of service.

CVE-2023-6536 [MEDIUM] CWE-476 CVE-2023-6536: A flaw was found in the Linux kernel's NVMe driver. This issue may allow an unauthenticated maliciou A flaw was found in the Linux kernel's NVMe driver. This issue may allow an unauthenticated malicious actor to send a set of crafted TCP packages when using NVMe over TCP, leading the NVMe driver to a NULL pointer dereference in the NVMe driver, causing kernel panic and a denial of service.

CVE-2023-6356 [MEDIUM] CWE-476 CVE-2023-6356: A flaw was found in the Linux kernel's NVMe driver. This issue may allow an unauthenticated maliciou A flaw was found in the Linux kernel's NVMe driver. This issue may allow an unauthenticated malicious actor to send a set of crafted TCP packages when using NVMe over TCP, leading the NVMe driver to a NULL pointer dereference in the NVMe driver and causing kernel panic and a denial of service.

CVE-2023-4911 [HIGH] CWE-122 CVE-2023-4911: A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GL A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GLIBC_TUNABLES environment variable. This issue could allow a local attacker to use maliciously crafted GLIBC_TUNABLES environment variables when launching binaries with SUID permission to execute code with elevated privileges.

CVE-2022-0207 [MEDIUM] CWE-362 CVE-2022-0207: A race condition was found in vdsm. Functionality to obfuscate sensitive values in log files that ma A race condition was found in vdsm. Functionality to obfuscate sensitive values in log files that may lead to values being stored in clear text.

CVE-2021-3669 [MEDIUM] CWE-400 CVE-2021-3669: A flaw was found in the Linux kernel. Measuring usage of the shared memory does not scale with large A flaw was found in the Linux kernel. Measuring usage of the shared memory does not scale with large shared memory segment counts which could lead to resource exhaustion and DoS.

CVE-2021-20316 [MEDIUM] CWE-362 CVE-2021-20316: A flaw was found in the way Samba handled file/directory metadata. This flaw allows an authenticated A flaw was found in the way Samba handled file/directory metadata. This flaw allows an authenticated attacker with permissions to read or modify share metadata, to perform this operation outside of the share.

CVE-2021-3659 [MEDIUM] CWE-252 CVE-2021-3659: A NULL pointer dereference flaw was found in the Linux kernel’s IEEE 802.15.4 wireless networking su A NULL pointer dereference flaw was found in the Linux kernel’s IEEE 802.15.4 wireless networking subsystem in the way the user closes the LR-WPAN connection. This flaw allows a local user to crash the system. The highest threat from this vulnerability is to system availability.

CVE-2022-0435 [HIGH] CWE-787 CVE-2022-0435: A stack overflow flaw was found in the Linux kernel's TIPC protocol functionality in the way a user A stack overflow flaw was found in the Linux kernel's TIPC protocol functionality in the way a user sends a packet with malicious content where the number of domain member nodes is higher than the 64 allowed. This flaw allows a remote user to crash the system or possibly escalate their privileges if they have access to the TIPC network.

CVE-2022-0330 [HIGH] CWE-281 CVE-2022-0330: A random memory access flaw was found in the Linux kernel's GPU i915 kernel driver functionality in A random memory access flaw was found in the Linux kernel's GPU i915 kernel driver functionality in the way a user may run malicious code on the GPU. This flaw allows a local user to crash the system or escalate their privileges on the system.

CVE-2022-1011 [HIGH] CWE-416 CVE-2022-1011: A use-after-free flaw was found in the Linux kernel’s FUSE filesystem in the way a user triggers wri 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.

CVE-2022-0516 [HIGH] CWE-200 CVE-2022-0516: A vulnerability was found in kvm_s390_guest_sida_op in the arch/s390/kvm/kvm-s390.c function in KVM A vulnerability was found in kvm_s390_guest_sida_op in the arch/s390/kvm/kvm-s390.c function in KVM for s390 in the Linux kernel. This flaw allows a local attacker with a normal user privilege to obtain unauthorized memory write access. This flaw affects Linux kernel versions prior to 5.17-rc4.

CVE-2022-0847 [HIGH] CWE-665 CVE-2022-0847: A flaw was found in the way the "flags" member of the new pipe buffer structure was lacking proper i A flaw was found in the way the "flags" member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe and push_pipe functions in the Linux kernel and could thus contain stale values. An unprivileged local user could use this flaw to write to pages in the page cache backed by read only files and as such escalate thei

CVE-2021-3656 [HIGH] CWE-862 CVE-2021-3656: A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. The flaw occurs whe A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. The flaw occurs when processing the VMCB (virtual machine control block) provided by the L1 guest to spawn/handle a nested guest (L2). Due to improper validation of the "virt_ext" field, this issue could allow a malicious L1 to disable both VMLOAD/VMSAVE intercepts and VLS

CVE-2021-3744 [MEDIUM] CVE-2021-3744: A memory leak flaw was found in the Linux kernel in the ccp_run_aes_gcm_cmd() function in drivers/cr A memory leak flaw was found in the Linux kernel in the ccp_run_aes_gcm_cmd() function in drivers/crypto/ccp/ccp-ops.c, which allows attackers to cause a denial of service (memory consumption). This vulnerability is similar with the older CVE-2019-18808.

CVE-2021-3609 [HIGH] CWE-362 CVE-2021-3609: .A flaw was found in the CAN BCM networking protocol in the Linux kernel, where a local attacker can .A flaw was found in the CAN BCM networking protocol in the Linux kernel, where a local attacker can abuse a flaw in the CAN subsystem to corrupt memory, crash the system or escalate privileges. This race condition in net/can/bcm.c in the Linux kernel allows for local privilege escalation to root.

CVE-2022-0492 [HIGH] CWE-287 CVE-2022-0492: A vulnerability was found in the Linux kernel’s cgroup_release_agent_write in the kernel/cgroup/cgro A vulnerability was found in the Linux kernel’s cgroup_release_agent_write in the kernel/cgroup/cgroup-v1.c function. This flaw, under certain circumstances, allows the use of the cgroups v1 release_agent feature to escalate privileges and bypass the namespace isolation unexpectedly.

CVE-2021-3620 [MEDIUM] CWE-209 CVE-2021-3620: A flaw was found in Ansible Engine's ansible-connection module, where sensitive information such as A flaw was found in Ansible Engine's ansible-connection module, where sensitive information such as the Ansible user credentials is disclosed by default in the traceback error message. The highest threat from this vulnerability is to confidentiality.

CVE-2021-44142 [HIGH] CWE-125 CVE-2021-44142: The Samba vfs_fruit module uses extended file attributes (EA, xattr) to provide "...enhanced compati The Samba vfs_fruit module uses extended file attributes (EA, xattr) to provide "...enhanced compatibility with Apple SMB clients and interoperability with a Netatalk 3 AFP fileserver." Samba versions prior to 4.13.17, 4.14.12 and 4.15.5 with vfs_fruit configured allow out-of-bounds heap read and write via specially crafted extended file attributes. A