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- Keyword (text search): cpe:2.3:o:linux:linux_kernel:2.0.12:*:*:*:*:*:*:*
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Vuln ID | Summary | CVSS Severity |
---|---|---|
CVE-2020-25656 |
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. Published: December 01, 2020; 8:15:12 PM -0500 |
V4.0:(not available) V3.1: 4.1 MEDIUM V2.0: 1.9 LOW |
CVE-2020-14305 |
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. Published: December 01, 2020; 8:15:12 PM -0500 |
V4.0:(not available) V3.1: 8.1 HIGH V2.0: 8.3 HIGH |
CVE-2020-29374 |
An issue was discovered in the Linux kernel before 5.7.3, related to mm/gup.c and mm/huge_memory.c. The get_user_pages (aka gup) implementation, when used for a copy-on-write page, does not properly consider the semantics of read operations and therefore can grant unintended write access, aka CID-17839856fd58. Published: November 28, 2020; 2:15:11 AM -0500 |
V4.0:(not available) V3.1: 3.6 LOW V2.0: 3.3 LOW |
CVE-2020-29373 |
An issue was discovered in fs/io_uring.c in the Linux kernel before 5.6. It unsafely handles the root directory during path lookups, and thus a process inside a mount namespace can escape to unintended filesystem locations, aka CID-ff002b30181d. Published: November 28, 2020; 2:15:11 AM -0500 |
V4.0:(not available) V3.1: 6.5 MEDIUM V2.0: 2.1 LOW |
CVE-2020-29372 |
An issue was discovered in do_madvise in mm/madvise.c in the Linux kernel before 5.6.8. There is a race condition between coredump operations and the IORING_OP_MADVISE implementation, aka CID-bc0c4d1e176e. Published: November 28, 2020; 2:15:11 AM -0500 |
V4.0:(not available) V3.1: 4.7 MEDIUM V2.0: 4.7 MEDIUM |
CVE-2020-29371 |
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. Published: November 28, 2020; 2:15:11 AM -0500 |
V4.0:(not available) V3.1: 3.3 LOW V2.0: 2.1 LOW |
CVE-2020-29370 |
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. Published: November 28, 2020; 2:15:11 AM -0500 |
V4.0:(not available) V3.1: 7.0 HIGH V2.0: 4.4 MEDIUM |
CVE-2020-15437 |
The Linux kernel before version 5.8 is vulnerable to a NULL pointer dereference in drivers/tty/serial/8250/8250_core.c:serial8250_isa_init_ports() that allows local users to cause a denial of service by using the p->serial_in pointer which uninitialized. Published: November 23, 2020; 4:15:11 PM -0500 |
V4.0:(not available) V3.1: 4.4 MEDIUM V2.0: 4.9 MEDIUM |
CVE-2020-28974 |
A slab-out-of-bounds read in fbcon in the Linux kernel before 5.9.7 could be used by local attackers to read privileged information or potentially crash the kernel, aka CID-3c4e0dff2095. This occurs because KD_FONT_OP_COPY in drivers/tty/vt/vt.c can be used for manipulations such as font height. Published: November 20, 2020; 1:15:12 PM -0500 |
V4.0:(not available) V3.1: 5.0 MEDIUM V2.0: 6.1 MEDIUM |
CVE-2020-28941 |
An issue was discovered in drivers/accessibility/speakup/spk_ttyio.c in the Linux kernel through 5.9.9. Local attackers on systems with the speakup driver could cause a local denial of service attack, aka CID-d41227544427. This occurs because of an invalid free when the line discipline is used more than once. Published: November 19, 2020; 2:15:11 PM -0500 |
V4.0:(not available) V3.1: 5.5 MEDIUM V2.0: 4.9 MEDIUM |
CVE-2020-28915 |
A buffer over-read (at the framebuffer layer) in the fbcon code in the Linux kernel before 5.8.15 could be used by local attackers to read kernel memory, aka CID-6735b4632def. Published: November 18, 2020; 3:15:12 AM -0500 |
V4.0:(not available) V3.1: 5.8 MEDIUM V2.0: 6.1 MEDIUM |
CVE-2020-25705 |
A flaw in ICMP packets in the Linux kernel may allow an attacker to quickly scan open UDP ports. This flaw allows an off-path remote attacker to effectively bypass source port UDP randomization. Software that relies on UDP source port randomization are indirectly affected as well on the Linux Based Products (RUGGEDCOM RM1224: All versions between v5.0 and v6.4, SCALANCE M-800: All versions between v5.0 and v6.4, SCALANCE S615: All versions between v5.0 and v6.4, SCALANCE SC-600: All versions prior to v2.1.3, SCALANCE W1750D: v8.3.0.1, v8.6.0, and v8.7.0, SIMATIC Cloud Connect 7: All versions, SIMATIC MV500 Family: All versions, SIMATIC NET CP 1243-1 (incl. SIPLUS variants): Versions 3.1.39 and later, SIMATIC NET CP 1243-7 LTE EU: Version Published: November 16, 2020; 9:15:13 PM -0500 |
V4.0:(not available) V3.1: 7.4 HIGH V2.0: 5.8 MEDIUM |
CVE-2020-27152 |
An issue was discovered in ioapic_lazy_update_eoi in arch/x86/kvm/ioapic.c in the Linux kernel before 5.9.2. It has an infinite loop related to improper interaction between a resampler and edge triggering, aka CID-77377064c3a9. Published: November 06, 2020; 3:15:13 AM -0500 |
V4.0:(not available) V3.1: 5.5 MEDIUM V2.0: 2.1 LOW |
CVE-2020-27675 |
An issue was discovered in the Linux kernel through 5.9.1, as used with Xen through 4.14.x. drivers/xen/events/events_base.c allows event-channel removal during the event-handling loop (a race condition). This can cause a use-after-free or NULL pointer dereference, as demonstrated by a dom0 crash via events for an in-reconfiguration paravirtualized device, aka CID-073d0552ead5. Published: October 22, 2020; 5:15:14 PM -0400 |
V4.0:(not available) V3.1: 4.7 MEDIUM V2.0: 4.7 MEDIUM |
CVE-2020-27194 |
An issue was discovered in the Linux kernel before 5.8.15. scalar32_min_max_or in kernel/bpf/verifier.c mishandles bounds tracking during use of 64-bit values, aka CID-5b9fbeb75b6a. Published: October 16, 2020; 5:15:14 PM -0400 |
V4.0:(not available) V3.1: 5.5 MEDIUM V2.0: 2.1 LOW |
CVE-2020-25645 |
A flaw was found in the Linux kernel in versions before 5.9-rc7. Traffic between two Geneve endpoints may be unencrypted when IPsec is configured to encrypt traffic for the specific UDP port used by the GENEVE tunnel allowing anyone between the two endpoints to read the traffic unencrypted. The main threat from this vulnerability is to data confidentiality. Published: October 13, 2020; 4:15:12 PM -0400 |
V4.0:(not available) V3.1: 7.5 HIGH V2.0: 5.0 MEDIUM |
CVE-2020-25641 |
A flaw was found in the Linux kernel's implementation of biovecs in versions before 5.9-rc7. A zero-length biovec request issued by the block subsystem could cause the kernel to enter an infinite loop, causing a denial of service. This flaw allows a local attacker with basic privileges to issue requests to a block device, resulting in a denial of service. The highest threat from this vulnerability is to system availability. Published: October 06, 2020; 10:15:12 AM -0400 |
V4.0:(not available) V3.1: 5.5 MEDIUM V2.0: 4.9 MEDIUM |
CVE-2020-26541 |
The Linux kernel through 5.8.13 does not properly enforce the Secure Boot Forbidden Signature Database (aka dbx) protection mechanism. This affects certs/blacklist.c and certs/system_keyring.c. Published: October 02, 2020; 3:15:13 PM -0400 |
V4.0:(not available) V3.1: 6.5 MEDIUM V2.0: 6.9 MEDIUM |
CVE-2020-26088 |
A missing CAP_NET_RAW check in NFC socket creation in net/nfc/rawsock.c in the Linux kernel before 5.8.2 could be used by local attackers to create raw sockets, bypassing security mechanisms, aka CID-26896f01467a. Published: September 24, 2020; 11:15:15 AM -0400 |
V4.0:(not available) V3.1: 5.5 MEDIUM V2.0: 2.1 LOW |
CVE-2020-10781 |
A flaw was found in the Linux Kernel before 5.8-rc6 in the ZRAM kernel module, where a user with a local account and the ability to read the /sys/class/zram-control/hot_add file can create ZRAM device nodes in the /dev/ directory. This read allocates kernel memory and is not accounted for a user that triggers the creation of that ZRAM device. With this vulnerability, continually reading the device may consume a large amount of system memory and cause the Out-of-Memory (OOM) killer to activate and terminate random userspace processes, possibly making the system inoperable. Published: September 16, 2020; 9:15:10 AM -0400 |
V4.0:(not available) V3.1: 5.5 MEDIUM V2.0: 4.9 MEDIUM |