CVSS: 5.5EPSS: 0%CPEs: 21EXPL: 0CVE-2021-3659 – kernel: NULL pointer dereference in llsec_key_alloc() in net/mac802154/llsec.c
https://notcve.org/view.php?id=CVE-2021-3659
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. Se ha encontrado un fallo de desreferencia de puntero NULL en el subsistema de red inalámbrica IEEE versión 802.15.4 del kernel de Linux en la forma en que el usuario cierra la conexión LR-WPAN. Este fallo permite a un usuario local bloquear el sistema. • https://access.redhat.com/security/cve/CVE-2021-3659 https://bugzilla.redhat.com/show_bug.cgi?id=1975949 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1165affd484889d4986cf3b724318935a0b120d8 • CWE-252: Unchecked Return Value CWE-476: NULL Pointer Dereference •
CVSS: 5.5EPSS: 0%CPEs: 34EXPL: 0CVE-2021-3669 – kernel: reading /proc/sysvipc/shm does not scale with large shared memory segment counts
https://notcve.org/view.php?id=CVE-2021-3669
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. Se ha encontrado un fallo en el kernel de Linux. La medición del uso de la memoria compartida no escala con grandes recuentos de segmentos de memoria compartida, lo que podría conllevar a el agotamiento de recursos y el DoS. • https://access.redhat.com/security/cve/CVE-2021-3669 https://bugzilla.redhat.com/show_bug.cgi?id=1980619 https://bugzilla.redhat.com/show_bug.cgi?id=1986473 https://security-tracker.debian.org/tracker/CVE-2021-3669 • CWE-400: Uncontrolled Resource Consumption CWE-770: Allocation of Resources Without Limits or Throttling •
CVSS: 6.5EPSS: 0%CPEs: 21EXPL: 0CVE-2021-3975 – libvirt: segmentation fault during VM shutdown can lead to vdsm hang
https://notcve.org/view.php?id=CVE-2021-3975
A use-after-free flaw was found in libvirt. The qemuMonitorUnregister() function in qemuProcessHandleMonitorEOF is called using multiple threads without being adequately protected by a monitor lock. This flaw could be triggered by the virConnectGetAllDomainStats API when the guest is shutting down. An unprivileged client with a read-only connection could use this flaw to perform a denial of service attack by causing the libvirt daemon to crash. Se ha encontrado un fallo de uso de memoria previamente liberada en libvirt. • https://access.redhat.com/security/cve/CVE-2021-3975 https://bugzilla.redhat.com/show_bug.cgi?id=2024326 https://github.com/libvirt/libvirt/commit/1ac703a7d0789e46833f4013a3876c2e3af18ec7 https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html https://security.netapp.com/advisory/ntap-20221201-0002 https://ubuntu.com/security/CVE-2021-3975 • CWE-416: Use After Free •
CVSS: 8.8EPSS: 0%CPEs: 20EXPL: 1CVE-2022-1227 – psgo: Privilege escalation in 'podman top'
https://notcve.org/view.php?id=CVE-2022-1227
A privilege escalation flaw was found in Podman. This flaw allows an attacker to publish a malicious image to a public registry. Once this image is downloaded by a potential victim, the vulnerability is triggered after a user runs the 'podman top' command. This action gives the attacker access to the host filesystem, leading to information disclosure or denial of service. Se ha encontrado un fallo de escalada de privilegios en Podman. • https://bugzilla.redhat.com/show_bug.cgi?id=2070368 https://github.com/containers/podman/issues/10941 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DLUJZV3HBP56ADXU6QH2V7RNYUPMVBXQ https://security.netapp.com/advisory/ntap-20240628-0001 https://access.redhat.com/security/cve/CVE-2022-1227 • CWE-269: Improper Privilege Management CWE-281: Improper Preservation of Permissions •
CVSS: 7.5EPSS: 0%CPEs: 24EXPL: 0CVE-2022-27649 – podman: Default inheritable capabilities for linux container should be empty
https://notcve.org/view.php?id=CVE-2022-27649
A flaw was found in Podman, where containers were started incorrectly with non-empty default permissions. A vulnerability was found in Moby (Docker Engine), where containers were started incorrectly with non-empty inheritable Linux process capabilities. This flaw allows an attacker with access to programs with inheritable file capabilities to elevate those capabilities to the permitted set when execve(2) runs. Se ha encontrado un fallo en Podman, donde los contenedores eran iniciados incorrectamente con permisos por defecto no vacíos. Se ha encontrado una vulnerabilidad en Moby (Docker Engine), donde los contenedores eran iniciados incorrectamente con capacidades de proceso Linux heredables no vacías. • https://bugzilla.redhat.com/show_bug.cgi?id=2066568 https://github.com/containers/podman/commit/aafa80918a245edcbdaceb1191d749570f1872d0 https://github.com/containers/podman/security/advisories/GHSA-qvf8-p83w-v58j https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4KDETHL5XCT6RZN2BBNOCEXRZ2W3SFU3 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DLUJZV3HBP56ADXU6QH2V7RNYUPMVBXQ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org&#x • CWE-276: Incorrect Default Permissions •