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CVE-2018-14634

Status Candidate

Overview

An integer overflow flaw was found in the Linux kernel's create_elf_tables() function. An unprivileged local user with access to SUID (or otherwise privileged) binary could use this flaw to escalate their privileges on the system. Kernel versions 2.6.x, 3.10.x and 4.14.x are believed to be vulnerable.

Related Files

Red Hat Security Advisory 2018-3643-01
Posted Nov 21, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-3643-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include an integer overflow vulnerability.

tags | advisory, overflow, kernel
systems | linux, redhat
advisories | CVE-2018-14634
MD5 | 6d25a3162fa4900b38136d8459c91896
Red Hat Security Advisory 2018-3591-01
Posted Nov 14, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-3591-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include an integer overflow vulnerability.

tags | advisory, overflow, kernel
systems | linux, redhat
advisories | CVE-2017-18344, CVE-2018-14634
MD5 | 4cf33ed3b32c329de89d3cc482fad8e0
Red Hat Security Advisory 2018-3590-01
Posted Nov 14, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-3590-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include denial of service and use-after-free vulnerabilities.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2017-18344, CVE-2018-10675, CVE-2018-14634, CVE-2018-5391
MD5 | f3b2f4a7bc4090c24c90b794c9286d0b
Red Hat Security Advisory 2018-3540-01
Posted Nov 14, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-3540-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include denial of service and use-after-free vulnerabilities.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2017-18344, CVE-2018-10675, CVE-2018-14634, CVE-2018-5391
MD5 | b12ec851a6d66d3ef00ce2d0b853d7bf
Red Hat Security Advisory 2018-3586-01
Posted Nov 13, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-3586-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include denial of service and use-after-free vulnerabilities.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2017-18344, CVE-2018-10675, CVE-2018-14634, CVE-2018-5391
MD5 | 747aeb08ee4ce9e8264e7c572c2df5ba
Red Hat Security Advisory 2018-2925-01
Posted Oct 17, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2925-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include bypass, denial of service, and use-after-free vulnerabilities.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2018-10675, CVE-2018-14634, CVE-2018-5391
MD5 | b6a8bd1163aa820ea7c74585ab22776e
Red Hat Security Advisory 2018-2933-01
Posted Oct 17, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2933-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include denial of service and use-after-free vulnerabilities.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2018-10675, CVE-2018-14634, CVE-2018-5390, CVE-2018-5391
MD5 | a97ccc6aaeca9a83d1973ad6a2eed767
Red Hat Security Advisory 2018-2924-01
Posted Oct 17, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2924-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include denial of service and use-after-free vulnerabilities.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2018-10675, CVE-2018-14634, CVE-2018-5390, CVE-2018-5391
MD5 | 1a2e4d0948580e7d519c6ea9bf75f0f1
Red Hat Security Advisory 2018-2846-01
Posted Oct 9, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2846-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service, kernel
systems | linux, redhat
advisories | CVE-2018-14634, CVE-2018-5391
MD5 | 82bf9ea269a385a998ea4993a007c375
Ubuntu Security Notice USN-3779-1
Posted Oct 2, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3779-1 - It was discovered that an integer overflow vulnerability existed in the Linux kernel when loading an executable to run. A local attacker could use this to gain administrative privileges. It was discovered that a stack-based buffer overflow existed in the iSCSI target implementation of the Linux kernel. A remote attacker could use this to cause a denial of service.

tags | advisory, remote, denial of service, overflow, kernel, local
systems | linux, ubuntu
advisories | CVE-2018-14633, CVE-2018-14634
MD5 | 7dc63fa243368cb42248ea232b1e8a86
Ubuntu Security Notice USN-3775-2
Posted Oct 2, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3775-2 - USN-3775-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 14.04 LTS for Ubuntu 12.04 ESM. It was discovered that the paravirtualization implementation in the Linux kernel did not properly handle some indirect calls, reducing the effectiveness of Spectre v2 mitigations for paravirtual guests. A local attacker could use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2018-14633, CVE-2018-14634, CVE-2018-15572, CVE-2018-15594, CVE-2018-6554, CVE-2018-6555
MD5 | 5a7a476899f737bedb1f0ed9d8c748e4
Ubuntu Security Notice USN-3775-1
Posted Oct 2, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3775-1 - It was discovered that the paravirtualization implementation in the Linux kernel did not properly handle some indirect calls, reducing the effectiveness of Spectre v2 mitigations for paravirtual guests. A local attacker could use this to expose sensitive information. It was discovered that microprocessors utilizing speculative execution and prediction of return addresses via Return Stack Buffer may allow unauthorized memory reads via sidechannel attacks. An attacker could use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, kernel, local
systems | linux, ubuntu
advisories | CVE-2018-14633, CVE-2018-14634, CVE-2018-15572, CVE-2018-15594, CVE-2018-6554, CVE-2018-6555
MD5 | 47abfae12c36a61e3b7f5e7eebb52ed5
Linux create_elf_tables() Integer Overflow
Posted Sep 26, 2018
Authored by Qualys Security Advisory

Linux suffers from an integer overflow vulnerability in create_elf_tables(). Multiple exploits provided.

tags | exploit, overflow
systems | linux
advisories | CVE-2018-14634
MD5 | 5ec6314ab72881f0d67179acf1811540
Red Hat Security Advisory 2018-2763-01
Posted Sep 25, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2763-01 - 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 integer overflow.

tags | advisory, overflow, kernel
systems | linux, redhat
advisories | CVE-2018-14634
MD5 | 1c55a14548744ea83a2bc9de63de50b3
Red Hat Security Advisory 2018-2748-01
Posted Sep 25, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2748-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include an integer overflow.

tags | advisory, overflow, kernel
systems | linux, redhat
advisories | CVE-2018-14634
MD5 | 14f2efccb78d600a3738bbeff866dd7e
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