
CVE-2021-4203 – kernel: Race condition in races in sk_peer_pid and sk_peer_cred accesses
https://notcve.org/view.php?id=CVE-2021-4203
25 Mar 2022 — A use-after-free read flaw was found in sock_getsockopt() in net/core/sock.c due to SO_PEERCRED and SO_PEERGROUPS race with listen() (and connect()) in the Linux kernel. In this flaw, an attacker with a user privileges may crash the system or leak internal kernel information. Se ha encontrado un fallo de lectura de uso de memoria previamente liberada en la función sock_getsockopt() en el archivo net/core/sock.c debido a la carrera de SO_PEERCRED y SO_PEERGROUPS con listen() (y connect()) en el kernel de Lin... • https://bugs.chromium.org/p/project-zero/issues/detail?id=2230&can=7&q=modified-after%3Atoday-30&sort=-modified&colspec=ID%20Type%20Status%20Priority%20Milestone%20Owner%20Summary%20Modified%20Cve&cells=tiles&redir=1 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') CWE-416: Use After Free •

CVE-2022-0002 – hw: cpu: intel: Intra-Mode BTI
https://notcve.org/view.php?id=CVE-2022-0002
08 Mar 2022 — Non-transparent sharing of branch predictor within a context in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access. La compartición no transparente de selectores de predicción de rama dentro de un contexto en algunos procesadores Intel(R) puede permitir que un usuario autorizado permita potencialmente una divulgación de información por medio del acceso local A flaw was found in hw. The Intra-mode BTI refers to a variant of Branch Target Inject... • http://www.openwall.com/lists/oss-security/2022/03/18/2 •

CVE-2022-0001 – hw: cpu: intel: Branch History Injection (BHI)
https://notcve.org/view.php?id=CVE-2022-0001
08 Mar 2022 — Non-transparent sharing of branch predictor selectors between contexts in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access. La compartición no transparente de selectores de predicción de rama entre contextos en algunos procesadores Intel(R) puede permitir que un usuario autorizado permita potencialmente una divulgación de información por medio del acceso local A flaw was found in hw. The Branch History Injection (BHI) describes a specific fo... • http://www.openwall.com/lists/oss-security/2022/03/18/2 •

CVE-2022-25636 – kernel: heap out of bounds write in nf_dup_netdev.c
https://notcve.org/view.php?id=CVE-2022-25636
22 Feb 2022 — 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. El archivo net/netfilter/nf_dup_netdev.c en el kernel de Linux versiones 5.4 hasta 5.6.10, permite a usuarios locales alcanzar privilegios debido a una escritura fuera de los límites de la pila. Esto está relacionado con nf_tables_offload An out-of-bounds (OOB) memory access flaw was found in nft_fwd_dup_netdev_offload in net/... • https://github.com/Bonfee/CVE-2022-25636 • CWE-269: Improper Privilege Management CWE-787: Out-of-bounds Write •

CVE-2021-3773 – kernel: lack of port sanity checking in natd and netfilter leads to exploit of OpenVPN clients
https://notcve.org/view.php?id=CVE-2021-3773
16 Feb 2022 — A flaw in netfilter could allow a network-connected attacker to infer openvpn connection endpoint information for further use in traditional network attacks. Un fallo en netfilter podría permitir a un atacante conectado a la red inferir información del endpoint de la conexión openvpn para su posterior uso en ataques de red tradicionales Red Hat Advanced Cluster Management for Kubernetes 2.5.0 images Red Hat Advanced Cluster Management for Kubernetes provides the capabilities to address common challenges tha... • https://github.com/d0rb/CVE-2021-3773 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVE-2022-0286 – kernel: Local denial of service in bond_ipsec_add_sa
https://notcve.org/view.php?id=CVE-2022-0286
31 Jan 2022 — A flaw was found in the Linux kernel. A null pointer dereference in bond_ipsec_add_sa() may lead to local denial of service. Se ha encontrado un fallo en el kernel de Linux. Una desreferencia de puntero null en la función bond_ipsec_add_sa() puede conllevar a una denegación de servicio local A NULL pointer dereference flaw was found in the Linux kernel’s bonding driver in the way a user bonds non existing or fake device. This flaw allows a local user to crash the system, causing a denial of service. • https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=105cd17a866017b45f3c45901b394c711c97bf40 • CWE-476: NULL Pointer Dereference •

CVE-2022-0322 – kernel: DoS in sctp_addto_chunk in net/sctp/sm_make_chunk.c
https://notcve.org/view.php?id=CVE-2022-0322
25 Jan 2022 — A flaw was found in the sctp_make_strreset_req function in net/sctp/sm_make_chunk.c in the SCTP network protocol in the Linux kernel with a local user privilege access. In this flaw, an attempt to use more buffer than is allocated triggers a BUG_ON issue, leading to a denial of service (DOS). Se ha encontrado un fallo en la función sctp_make_strreset_req en el archivo net/sctp/sm_make_chunk.c en el protocolo de red SCTP en el kernel de Linux con un acceso de privilegio de usuario local. En este fallo, un in... • https://bugzilla.redhat.com/show_bug.cgi?id=2042822 • CWE-681: Incorrect Conversion between Numeric Types CWE-704: Incorrect Type Conversion or Cast •

CVE-2021-4083 – kernel: fget: check that the fd still exists after getting a ref to it
https://notcve.org/view.php?id=CVE-2021-4083
10 Jan 2022 — A read-after-free memory flaw was found in the Linux kernel's garbage collection for Unix domain socket file handlers in the way users call close() and fget() simultaneously and can potentially trigger a race condition. This flaw allows a local user to crash the system or escalate their privileges on the system. This flaw affects Linux kernel versions prior to 5.16-rc4. Se ha encontrado un fallo de lectura de memoria previamente liberada en la recolección de basura del kernel de Linux para los manejadores d... • https://packetstorm.news/files/id/165504 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') CWE-416: Use After Free •

CVE-2021-4002 – kernel: possible leak or coruption of data residing on hugetlbfs
https://notcve.org/view.php?id=CVE-2021-4002
06 Jan 2022 — A memory leak flaw in the Linux kernel's hugetlbfs memory usage was found in the way the user maps some regions of memory twice using shmget() which are aligned to PUD alignment with the fault of some of the memory pages. A local user could use this flaw to get unauthorized access to some data. Se encontró un fallo de pérdida de memoria en el uso de memoria hugetlbfs del kernel de Linux en la forma en que el usuario mapea algunas regiones de memoria dos veces usando shmget() que están alineadas a la alineac... • https://bugzilla.redhat.com/show_bug.cgi?id=2025726 • CWE-401: Missing Release of Memory after Effective Lifetime CWE-459: Incomplete Cleanup •

CVE-2021-45485 – kernel: information leak in the IPv6 implementation
https://notcve.org/view.php?id=CVE-2021-45485
25 Dec 2021 — In the IPv6 implementation in the Linux kernel before 5.13.3, net/ipv6/output_core.c has an information leak because of certain use of a hash table which, although big, doesn't properly consider that IPv6-based attackers can typically choose among many IPv6 source addresses. En la implementación de IPv6 en el kernel de Linux versiones anteriores a 5.13.3, el archivo net/ipv6/output_core.c presenta un filtrado de información debido a determinado uso de una tabla hash que, aunque es grande, no considera aprop... • https://github.com/Satheesh575555/linux-4.19.72_CVE-2021-45485 • CWE-327: Use of a Broken or Risky Cryptographic Algorithm •