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CVE-2020-14386

Status Candidate

Overview

A flaw was found in the Linux kernel before 5.9-rc4. Memory corruption can be exploited to gain root privileges from unprivileged processes. The highest threat from this vulnerability is to data confidentiality and integrity.

Related Files

Red Hat Security Advisory 2020-4331-01
Posted Oct 26, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-4331-01 - This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2020-14385, CVE-2020-14386
MD5 | 4153fdb31bfd9534942e71d3c8deaa24
Red Hat Security Advisory 2020-4332-01
Posted Oct 26, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-4332-01 - This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2020-14385, CVE-2020-14386
MD5 | 41f25861d058046e1022484fd1de745b
Red Hat Security Advisory 2020-4286-01
Posted Oct 20, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-4286-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include an information leakage vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2020-12351, CVE-2020-12352, CVE-2020-14331, CVE-2020-14385, CVE-2020-14386
MD5 | ca2183424ce189f07dabb3e9fde5d6f6
Red Hat Security Advisory 2020-4289-01
Posted Oct 20, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-4289-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include an information leakage vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2020-12351, CVE-2020-12352, CVE-2020-14331, CVE-2020-14385, CVE-2020-14386
MD5 | 51c6fb98b1d3707da3d7531842005a5d
Red Hat Security Advisory 2020-4287-01
Posted Oct 20, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-4287-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include denial of service and information leakage vulnerabilities.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2020-12351, CVE-2020-12352, CVE-2020-14385, CVE-2020-14386
MD5 | 0e9b2a44406e1502eb1daf6f63e7d8d9
Kernel Live Patch Security Notice LSN-0072-1
Posted Oct 14, 2020
Authored by Benjamin M. Romer

It was discovered that the F2FS file system implementation in the Linux kernel did not properly perform bounds checking on xattrs in some situations. A local attacker could possibly use this to expose sensitive information (kernel memory). It was discovered that the Serial CAN interface driver in the Linux kernel did not properly initialize data. A local attacker could use this to expose sensitive information (kernel memory). Other issues where also addressed.

tags | advisory, kernel, local
systems | linux
advisories | CVE-2020-0067, CVE-2020-11494, CVE-2020-11935, CVE-2020-12114, CVE-2020-14386, CVE-2020-16119, CVE-2020-16120
MD5 | 14f02287095aa69b1f4a060649c3f887
Kernel Live Patch Security Notice LSN-0071-1
Posted Sep 10, 2020
Authored by Benjamin M. Romer

A security issue was fixed in the 4.15 kernel. This issue affects the 5.4 kernel as well, but a livepatch is not yet available. While work is continuing to develop livepatches for all affected kernels, due to the severity of the issue, they are releasing patches as they become ready. Or Cohen discovered that the AF_PACKET implementation in the Linux kernel did not properly perform bounds checking in some situations. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux
advisories | CVE-2020-14386
MD5 | 4437085dab38579a25ce71c982fffd06
Ubuntu Security Notice USN-4489-1
Posted Sep 8, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4489-1 - Or Cohen discovered that the AF_PACKET implementation in the Linux kernel did not properly perform bounds checking in some situations. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2020-14386
MD5 | 9038e89795f6761246dfe52d3c1c5711
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