Glibc: buffer overflow in ld.so leading to privilege escalation

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Important: glibc

Issue Overview: A flaw was found in glibc. When the getaddrinfo function is called with the AFUNSPEC address family and the system is configured with no-aaaa mode via /etc/resolv.conf, a DNS response via TCP larger than 2048 bytes can potentially disclose stack contents through the function...

Debian DSA-5514-1 : glibc - security update

The remote Debian 11 / 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5514 advisory. The Qualys Research Labs discovered a buffer overflow in the dynamic loader's processing of the GLIBCTUNABLES environment variable. An attacker can exploit...

PT-2023-5614

Name of the Vulnerable Software and Affected Versions glibc versions 2.32-alt5.p10.2 through 2.38.0.27.750a45a783-alt1 Description This update addresses a buffer overflow vulnerability in the GNU C Library’s dynamic loader ld.so when processing the GLIBC TUNABLES environment variable. A local...

Glibc Tunables Privilege Escalation CVE-2023-4911 (aka Looney Tunables)

A buffer overflow exists in the GNU C Library's dynamic loader ld.so while processing the GLIBCTUNABLES environment variable. This issue allows an local attacker to use maliciously crafted GLIBCTUNABLES when launching binaries with SUID permission to execute code in the context of the root user...

DSA-5514-1 glibc - security update

Bulletin has no description...

Amazon Linux 2023 : compat-libpthread-nonshared, glibc, glibc-all-langpacks (ALAS2023-2023-359)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2023-359 advisory. A flaw was found in glibc. When the getaddrinfo function is called with the AFUNSPEC address family and the system is configured with no-aaaa mode via /etc/resolv.conf, a DNS response via TCP...

Mageia: Security Advisory (MGASA-2023-0270)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

MGASA-2023-0270 Updated glibc packages fix security and other bugs

getaddrinfo: Fix use after free in getcanonname CVE-2023-4806 Stack read overflow with large TCP responses in no-aaaa mode CVE-2023-4527 elf: Introduce to dlcallfini elf: Do not run constructors for proxy objects elf: Always call destructors in reverse constructor order BZ 30785 elf: Remove unuse...

Updated glibc packages fix security and other bugs

getaddrinfo: Fix use after free in getcanonname CVE-2023-4806 Stack read overflow with large TCP responses in no-aaaa mode CVE-2023-4527 elf: Introduce to dlcallfini elf: Do not run constructors for proxy objects elf: Always call destructors in reverse constructor order BZ 30785 elf: Remove unuse...

AZL-34734 CVE-2023-5156 affecting package glibc for versions less than 2.38-6

A flaw was found in the GNU C Library. A recent fix for CVE-2023-4806 introduced the potential for a memory leak, which may result in an application crash...

CVE-2023-5156 vulnerabilities

Vulnerabilities for packages: glibc...

CVE-2023-5156 vulnerabilities

Vulnerabilities for packages: glibc...

CVE-2023-5156 Glibc: dos due to memory leak in getaddrinfo.c

A flaw was found in the GNU C Library. A recent fix for CVE-2023-4806 introduced the potential for a memory leak, which may result in an application crash...

CVE-2023-5156 Glibc: dos due to memory leak in getaddrinfo.c

A flaw was found in the GNU C Library. A recent fix for CVE-2023-4806 introduced the potential for a memory leak, which may result in an application crash...

Medium: hwloc

Issue Overview: An issue was discovered in open-mpi hwloc 2.1.0 allows attackers to cause a denial of service or other unspecified impacts via glibc-cpuset in topology-linux.c. CVE-2022-47022 Affected Packages: hwloc Issue Correction: Run yum update hwloc or yum update --advisory ALAS-2023-1833 t...

CVE-2023-4806

A flaw has been identified in glibc. In an extremely rare situation, the getaddrinfo function may access memory that has been freed, resulting in an application crash. This issue is only exploitable when a NSS module implements only the nssgethostbyname2r and nssgetcanonnamer hooks without...

AZL-29954 CVE-2023-4806 affecting package glibc for versions less than 2.35-6

A flaw has been identified in glibc. In an extremely rare situation, the getaddrinfo function may access memory that has been freed, resulting in an application crash. This issue is only exploitable when a NSS module implements only the nssgethostbyname2r and nssgetcanonnamer hooks without...

CVE-2023-4527

A flaw was found in glibc. When the getaddrinfo function is called with the AFUNSPEC address family and the system is configured with no-aaaa mode via /etc/resolv.conf, a DNS response via TCP larger than 2048 bytes can potentially disclose stack contents through the function returned address data...

AZL-34738 CVE-2023-4806 affecting package glibc for versions less than 2.38-11

A flaw has been identified in glibc. In an extremely rare situation, the getaddrinfo function may access memory that has been freed, resulting in an application crash. This issue is only exploitable when a NSS module implements only the nssgethostbyname2r and nssgetcanonnamer hooks without...