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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 2020-5199-01
Posted Nov 24, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5199-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2020-14385, CVE-2020-14386
SHA-256 | 60ebef663393ac53bc26fc6c492194a464e64dec91ee9baf3b775236a60fa27d
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
SHA-256 | f869833093964b331d227f80eee1c72412cd3b2974aa898becaa56979bc50688
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
SHA-256 | f2830003816ad02a9ab70f1f581fc424bff8ce3604b717facd33e8a2af1c169e
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
SHA-256 | 8f7a24548cfe79a3658e4f63f2abba8cf6d601dde1625f973112d0508a84f92d
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
SHA-256 | 697afd2cc16ce67184c185acf1888e6cb30327a9ea1e639d63b640c467e815d5
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
SHA-256 | 01bef5346f503d03b012cd69911e6673dd749f654d1dd791e5eb09b23c87a2b3
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
SHA-256 | 93076523b60699a74659d86a99aa5642c64e2657baecd1f27345aa8fc2cd2b97
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
SHA-256 | a13ec104389455bc48ad854bb63cf714af2cc7fd1932c7dc38c32db57bf0e5c6
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
SHA-256 | 2f26a7918eeaffd16b03759efce6f29fc3c50de7cc7512d7fa284e1c0d71cbf7
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