CVSS: 7.8EPSS: 0%CPEs: 3EXPL: 1CVE-2020-29534
https://notcve.org/view.php?id=CVE-2020-29534
03 Dec 2020 — An issue was discovered in the Linux kernel before 5.9.3. io_uring takes a non-refcounted reference to the files_struct of the process that submitted a request, causing execve() to incorrectly optimize unshare_fd(), aka CID-0f2122045b94. Se detectó un problema en el kernel de Linux versiones anteriores a 5.9.3, io_uring toma una referencia non-refcounted al files_struct del proceso que envió una petición, causando que la función execve() optimice incorrectamente la función unshare_fd(), también se conoce co... • https://bugs.chromium.org/p/project-zero/issues/detail?id=2089 •
CVSS: 7.8EPSS: 0%CPEs: 7EXPL: 1CVE-2020-14381 – kernel: referencing inode of removed superblock in get_futex_key() causes UAF
https://notcve.org/view.php?id=CVE-2020-14381
03 Dec 2020 — A flaw was found in the Linux kernel’s futex implementation. This flaw allows a local attacker to corrupt system memory or escalate their privileges when creating a futex on a filesystem that is about to be unmounted. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. Se encontró un fallo en la implementación de futex del kernel de Linux. Este fallo permite a un atacante local corromper la memoria del sistema o aumentar sus privilegios al crear un fu... • https://github.com/nanopathi/linux-4.19.72_CVE-2020-14381 • CWE-416: Use After Free •
CVSS: 8.3EPSS: 1%CPEs: 11EXPL: 1CVE-2020-14305 – kernel: memory corruption in Voice over IP nf_conntrack_h323 module
https://notcve.org/view.php?id=CVE-2020-14305
02 Dec 2020 — An out-of-bounds memory write flaw was found in how the Linux kernel’s Voice Over IP H.323 connection tracking functionality handled connections on ipv6 port 1720. This flaw allows an unauthenticated remote user to crash the system, causing a denial of service. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. Se encontró un fallo de escritura de memoria fuera de límites en la manera en que la funcionalidad connection tracking Voice Over IP H.323 de... • https://bugs.openvz.org/browse/OVZ-7188 • CWE-787: Out-of-bounds Write •
CVSS: 4.1EPSS: 0%CPEs: 11EXPL: 2CVE-2020-25656 – kernel: use-after-free in read in vt_do_kdgkb_ioctl
https://notcve.org/view.php?id=CVE-2020-25656
02 Dec 2020 — A flaw was found in the Linux kernel. A use-after-free was found in the way the console subsystem was using ioctls KDGKBSENT and KDSKBSENT. A local user could use this flaw to get read memory access out of bounds. The highest threat from this vulnerability is to data confidentiality. Se encontró un fallo en el kernel de Linux. • https://bugzilla.redhat.com/show_bug.cgi?id=1888726 • CWE-416: Use After Free •
CVSS: 6.2EPSS: 0%CPEs: 8EXPL: 0CVE-2020-25704 – kernel: perf_event_parse_addr_filter memory
https://notcve.org/view.php?id=CVE-2020-25704
02 Dec 2020 — A flaw memory leak in the Linux kernel performance monitoring subsystem was found in the way if using PERF_EVENT_IOC_SET_FILTER. A local user could use this flaw to starve the resources causing denial of service. Se encontró una perdida de memoria de fallo en el subsistema de monitoreo del rendimiento del kernel de Linux en el modo si se usaba PERF_EVENT_IOC_SET_FILTER. Un usuario local podría utilizar este fallo para privar los recursos causando una denegación de servicio A memory leak flaw was found ... • https://bugzilla.redhat.com/show_bug.cgi?id=1895961 • CWE-401: Missing Release of Memory after Effective Lifetime •
CVSS: 5.4EPSS: 0%CPEs: 3EXPL: 0CVE-2019-20934 – kernel: use-after-free in show_numa_stats function
https://notcve.org/view.php?id=CVE-2019-20934
28 Nov 2020 — An issue was discovered in the Linux kernel before 5.2.6. On NUMA systems, the Linux fair scheduler has a use-after-free in show_numa_stats() because NUMA fault statistics are inappropriately freed, aka CID-16d51a590a8c. Se detectó un problema en el kernel de Linux versiones anteriores a 5.2.6. En los sistemas NUMA, el programador fair de Linux presenta un uso de la memoria previamente liberada en la función show_numa_stats() porque las estadísticas de fallo de NUMA son liberadas inapropiadamente, también s... • https://bugs.chromium.org/p/project-zero/issues/detail?id=1913 • CWE-416: Use After Free •
CVSS: 7.0EPSS: 0%CPEs: 13EXPL: 1CVE-2020-29368 – kernel: the copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check
https://notcve.org/view.php?id=CVE-2020-29368
28 Nov 2020 — An issue was discovered in __split_huge_pmd in mm/huge_memory.c in the Linux kernel before 5.7.5. The copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check, aka CID-c444eb564fb1. Se detectó un problema en la función __split_huge_pmd en el archivo mm/huge_memory.c en el kernel de Linux versiones anteriores a 5.7.5. La implementación copy-on-write puede otorgar acceso de escritura no previsto debido a una condición de carrera en una comprobación de ... • https://bugs.chromium.org/p/project-zero/issues/detail?id=2045 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •
CVSS: 7.0EPSS: 0%CPEs: 6EXPL: 1CVE-2020-29369
https://notcve.org/view.php?id=CVE-2020-29369
28 Nov 2020 — An issue was discovered in mm/mmap.c in the Linux kernel before 5.7.11. There is a race condition between certain expand functions (expand_downwards and expand_upwards) and page-table free operations from an munmap call, aka CID-246c320a8cfe. Se detectó un problema en el archivo mm/mmap.c en el kernel de Linux versiones anteriores a 5.7.11. Se presenta una condición de carrera entre determinadas funciones expand (expand_downwards y expand_upwards) y operaciones de liberación de page-table de una llamada mun... • http://www.openwall.com/lists/oss-security/2021/02/10/6 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •
CVSS: 7.0EPSS: 0%CPEs: 10EXPL: 2CVE-2020-29370
https://notcve.org/view.php?id=CVE-2020-29370
28 Nov 2020 — An issue was discovered in kmem_cache_alloc_bulk in mm/slub.c in the Linux kernel before 5.5.11. The slowpath lacks the required TID increment, aka CID-fd4d9c7d0c71. Se detectó un problema en la función kmem_cache_alloc_bulk en el archivo mm/slub.c en el kernel de Linux versiones anteriores a 5.5.11. La slowpath carece del incremento de TID requerido, también se conoce como CID-fd4d9c7d0c71 • https://github.com/nanopathi/linux-4.19.72_CVE-2020-29370 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •
CVSS: 3.3EPSS: 0%CPEs: 1EXPL: 1CVE-2020-29371
https://notcve.org/view.php?id=CVE-2020-29371
28 Nov 2020 — An issue was discovered in romfs_dev_read in fs/romfs/storage.c in the Linux kernel before 5.8.4. Uninitialized memory leaks to userspace, aka CID-bcf85fcedfdd. Se detectó un problema en la función romfs_dev_read en el archivo fs/romfs/storage.c en el kernel de Linux versiones anteriores a 5.8.4. Una pérdida de memoria no inicializada en el espacio de usuario, también se conoce como CID-bcf85fcedfdd • https://bugs.chromium.org/p/project-zero/issues/detail?id=2077 • CWE-908: Use of Uninitialized Resource •