Total
5271 CVE
| CVE | Vendors | Products | Updated | CVSS v2 | CVSS v3 |
|---|---|---|---|---|---|
| CVE-2021-3752 | 6 Debian, Fedoraproject, Linux and 3 more | 27 Debian Linux, Fedora, Linux Kernel and 24 more | 2024-11-21 | 7.9 HIGH | 7.1 HIGH |
| A use-after-free flaw was found in the Linux kernel’s Bluetooth subsystem in the way user calls connect to the socket and disconnect simultaneously due to a race condition. This flaw allows a user to crash the system or escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. | |||||
| CVE-2021-3748 | 5 Canonical, Debian, Fedoraproject and 2 more | 6 Ubuntu Linux, Debian Linux, Fedora and 3 more | 2024-11-21 | 6.9 MEDIUM | 7.5 HIGH |
| A use-after-free vulnerability was found in the virtio-net device of QEMU. It could occur when the descriptor's address belongs to the non direct access region, due to num_buffers being set after the virtqueue elem has been unmapped. A malicious guest could use this flaw to crash QEMU, resulting in a denial of service condition, or potentially execute code on the host with the privileges of the QEMU process. | |||||
| CVE-2021-3746 | 3 Fedoraproject, Libtpms Project, Redhat | 3 Fedora, Libtpms, Enterprise Linux | 2024-11-21 | 7.1 HIGH | 6.5 MEDIUM |
| A flaw was found in the libtpms code that may cause access beyond the boundary of internal buffers. The vulnerability is triggered by specially-crafted TPM2 command packets that then trigger the issue when the state of the TPM2's volatile state is written. The highest threat from this vulnerability is to system availability. This issue affects libtpms versions before 0.8.5, before 0.7.9 and before 0.6.6. | |||||
| CVE-2021-3744 | 5 Debian, Fedoraproject, Linux and 2 more | 24 Debian Linux, Fedora, Linux Kernel and 21 more | 2024-11-21 | 2.1 LOW | 5.5 MEDIUM |
| 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-2021-3743 | 4 Fedoraproject, Linux, Netapp and 1 more | 21 Fedora, Linux Kernel, H300e and 18 more | 2024-11-21 | 3.6 LOW | 7.1 HIGH |
| An out-of-bounds (OOB) memory read flaw was found in the Qualcomm IPC router protocol in the Linux kernel. A missing sanity check allows a local attacker to gain access to out-of-bounds memory, leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to system availability. | |||||
| CVE-2021-3739 | 3 Fedoraproject, Linux, Netapp | 18 Fedora, Linux Kernel, H300e and 15 more | 2024-11-21 | 3.6 LOW | 7.1 HIGH |
| A NULL pointer dereference flaw was found in the btrfs_rm_device function in fs/btrfs/volumes.c in the Linux Kernel, where triggering the bug requires ‘CAP_SYS_ADMIN’. This flaw allows a local attacker to crash the system or leak kernel internal information. The highest threat from this vulnerability is to system availability. | |||||
| CVE-2021-3737 | 6 Canonical, Fedoraproject, Netapp and 3 more | 17 Ubuntu Linux, Fedora, Hci and 14 more | 2024-11-21 | 7.1 HIGH | 7.5 HIGH |
| A flaw was found in python. An improperly handled HTTP response in the HTTP client code of python may allow a remote attacker, who controls the HTTP server, to make the client script enter an infinite loop, consuming CPU time. The highest threat from this vulnerability is to system availability. | |||||
| CVE-2021-3733 | 4 Fedoraproject, Netapp, Python and 1 more | 20 Extra Packages For Enterprise Linux, Fedora, Hci Compute Node Firmware and 17 more | 2024-11-21 | 4.0 MEDIUM | 6.5 MEDIUM |
| There's a flaw in urllib's AbstractBasicAuthHandler class. An attacker who controls a malicious HTTP server that an HTTP client (such as web browser) connects to, could trigger a Regular Expression Denial of Service (ReDOS) during an authentication request with a specially crafted payload that is sent by the server to the client. The greatest threat that this flaw poses is to application availability. | |||||
| CVE-2021-3700 | 4 Debian, Fedoraproject, Redhat and 1 more | 4 Debian Linux, Fedora, Enterprise Linux and 1 more | 2024-11-21 | 4.4 MEDIUM | 6.4 MEDIUM |
| A use-after-free vulnerability was found in usbredir in versions prior to 0.11.0 in the usbredirparser_serialize() in usbredirparser/usbredirparser.c. This issue occurs when serializing large amounts of buffered write data in the case of a slow or blocked destination. | |||||
| CVE-2021-3695 | 4 Fedoraproject, Gnu, Netapp and 1 more | 14 Fedora, Grub2, Ontap Select Deploy Administration Utility and 11 more | 2024-11-21 | 4.4 MEDIUM | 4.5 MEDIUM |
| A crafted 16-bit grayscale PNG image may lead to a out-of-bounds write in the heap area. An attacker may take advantage of that to cause heap data corruption or eventually arbitrary code execution and circumvent secure boot protections. This issue has a high complexity to be exploited as an attacker needs to perform some triage over the heap layout to achieve signifcant results, also the values written into the memory are repeated three times in a row making difficult to produce valid payloads. This flaw affects grub2 versions prior grub-2.12. | |||||
| CVE-2021-3677 | 3 Fedoraproject, Postgresql, Redhat | 7 Fedora, Postgresql, Enterprise Linux and 4 more | 2024-11-21 | 4.0 MEDIUM | 6.5 MEDIUM |
| A flaw was found in postgresql. A purpose-crafted query can read arbitrary bytes of server memory. In the default configuration, any authenticated database user can complete this attack at will. The attack does not require the ability to create objects. If server settings include max_worker_processes=0, the known versions of this attack are infeasible. However, undiscovered variants of the attack may be independent of that setting. | |||||
| CVE-2021-3673 | 2 Fedoraproject, Radare | 2 Fedora, Radare2 | 2024-11-21 | 5.0 MEDIUM | 7.5 HIGH |
| A vulnerability was found in Radare2 in version 5.3.1. Improper input validation when reading a crafted LE binary can lead to resource exhaustion and DoS. | |||||
| CVE-2021-3672 | 6 C-ares Project, Fedoraproject, Nodejs and 3 more | 17 C-ares, Fedora, Node.js and 14 more | 2024-11-21 | 6.8 MEDIUM | 5.6 MEDIUM |
| A flaw was found in c-ares library, where a missing input validation check of host names returned by DNS (Domain Name Servers) can lead to output of wrong hostnames which might potentially lead to Domain Hijacking. The highest threat from this vulnerability is to confidentiality and integrity as well as system availability. | |||||
| CVE-2021-3670 | 3 Fedoraproject, Redhat, Samba | 3 Fedora, Storage, Samba | 2024-11-21 | N/A | 6.5 MEDIUM |
| MaxQueryDuration not honoured in Samba AD DC LDAP | |||||
| CVE-2021-3669 | 5 Debian, Fedoraproject, Ibm and 2 more | 24 Debian Linux, Fedora, Spectrum Copy Data Management and 21 more | 2024-11-21 | N/A | 5.5 MEDIUM |
| 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-2021-3659 | 3 Fedoraproject, Linux, Redhat | 17 Fedora, Linux Kernel, Codeready Linux Builder and 14 more | 2024-11-21 | N/A | 5.5 MEDIUM |
| 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-2021-3658 | 2 Bluez, Fedoraproject | 2 Bluez, Fedora | 2024-11-21 | 3.3 LOW | 6.5 MEDIUM |
| bluetoothd from bluez incorrectly saves adapters' Discoverable status when a device is powered down, and restores it when powered up. If a device is powered down while discoverable, it will be discoverable when powered on again. This could lead to inadvertent exposure of the bluetooth stack to physically nearby attackers. | |||||
| CVE-2021-3657 | 4 Debian, Fedoraproject, Isync Project and 1 more | 4 Debian Linux, Fedora, Isync and 1 more | 2024-11-21 | 7.5 HIGH | 9.8 CRITICAL |
| A flaw was found in mbsync versions prior to 1.4.4. Due to inadequate handling of extremely large (>=2GiB) IMAP literals, malicious or compromised IMAP servers, and hypothetically even external email senders, could cause several different buffer overflows, which could conceivably be exploited for remote code execution. | |||||
| CVE-2021-3656 | 3 Fedoraproject, Linux, Redhat | 26 Fedora, Linux Kernel, 3scale Api Management and 23 more | 2024-11-21 | 7.2 HIGH | 8.8 HIGH |
| 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 (Virtual VMLOAD/VMSAVE) for the L2 guest. As a result, the L2 guest would be allowed to read/write physical pages of the host, resulting in a crash of the entire system, leak of sensitive data or potential guest-to-host escape. | |||||
| CVE-2021-3640 | 5 Canonical, Debian, Fedoraproject and 2 more | 20 Ubuntu Linux, Debian Linux, Fedora and 17 more | 2024-11-21 | 6.9 MEDIUM | 7.0 HIGH |
| A flaw use-after-free in function sco_sock_sendmsg() of the Linux kernel HCI subsystem was found in the way user calls ioct UFFDIO_REGISTER or other way triggers race condition of the call sco_conn_del() together with the call sco_sock_sendmsg() with the expected controllable faulting memory page. A privileged local user could use this flaw to crash the system or escalate their privileges on the system. | |||||