kernel: Missing check in fs/inode.c:inode_init_owner() does not clear SGID bit on non-directories for non-members

A vulnerability was found in the fs/inode.c:inodeinitowner function logic of the LInux kernel that allows local users to create files with an unintended group ownership and with group execution and SGID permission bits set, in a scenario where a directory is SGID and belongs to a certain group an...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 6.6 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

EulerOS 2.0 SP8 : systemd (EulerOS-SA-2019-1661)

According to the versions of the systemd packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - It was discovered that a systemd service that uses DynamicUser property can get new privileges through the execution of SUID binaries, which...

Privilege Escalation

Linux kernel is vulnerable to privilege escalation vulnerability. This exists in the function inodeinitowner of the file fs/inode.c. Local users could create files with an unintended group ownership and SGID permission bits set, when a directory is SGID and belongs to a certain group and is...

Important kernel security update: New kernel 2.6.32-042stab137.1 for Virtuozzo Containers for Linux 4.7, Server Bare Metal 5.0

This update provides a new kernel 2.6.32-042stab137.1 for Virtuozzo Containers for Linux 4.7 and Server Bare Metal 5.0 based on the RHEL 6.10 kernel 2.6.32-754.12.1.el6. The new kernel introduces security and stability fixes. Vulnerability id: CVE-2018-13405 A vulnerability was found in the...

Design/Logic Flaw

It was discovered that a systemd service that uses DynamicUser property can create a SUID/SGID binary that would be allowed to run as the transient service UID/GID even after the service is terminated. A local attacker may use this flaw to access resources that will be owned by a potentially...

CVE-2019-3843

It was discovered that a systemd service that uses DynamicUser property can create a SUID/SGID binary that would be allowed to run as the transient service UID/GID even after the service is terminated. A local attacker may use this flaw to access resources that will be owned by a potentially...

CVE-2019-3843

It was discovered that a systemd service that uses DynamicUser property can create a SUID/SGID binary that would be allowed to run as the transient service UID/GID even after the service is terminated. A local attacker may use this flaw to access resources that will be owned by a potentially...

CVE-2019-3843

It was discovered that a systemd service that uses DynamicUser property can create a SUID/SGID binary that would be allowed to run as the transient service UID/GID even after the service is terminated. A local attacker may use this flaw to access resources that will be owned by a potentially...

CVE-2019-3843

It was discovered that a systemd service that uses DynamicUser property can create a SUID/SGID binary that would be allowed to run as the transient service UID/GID even after the service is terminated. A local attacker may use this flaw to access resources that will be owned by a potentially...

CVE-2019-3843

It was discovered that a systemd service that uses DynamicUser property can create a SUID/SGID binary that would be allowed to run as the transient service UID/GID even after the service is terminated. A local attacker may use this flaw to access resources that will be owned by a potentially...

CVE-2019-3843

It was discovered that a systemd service that uses DynamicUser property can create a SUID/SGID binary that would be allowed to run as the transient service UID/GID even after the service is terminated. A local attacker may use this flaw to access resources that will be owned by a potentially...

CVE-2019-3843

CVE-2019-3843 concerns systemd's DynamicUser feature, where a service can create a SUID/SGID binary and retain it under a transient UID/GID after termination. The result is a local attacker potentially accessing resources owned by a different service in the future when UID/GID are recycled, as de...

CVE-2019-3843

It was discovered that a systemd service that uses DynamicUser property can create a SUID/SGID binary that would be allowed to run as the transient service UID/GID even after the service is terminated. A local attacker may use this flaw to access resources that will be owned by a potentially...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

Linux: SGID files

When the SGID set group ID bit is set on an executable, it executes with the GID of the owner. This may be intended for some executables. Add files with SGID bit which should be allowed to have this bit set in the preference. This script checks if any other local files than the given have the SGI...

Unbreakable Enterprise kernel security update

2.6.39-400.303.1 - scsi: libsas: fix memory leak in sassmpgetphyevents Jason Yan Orabug: 27927686 CVE-2018-7757 - Revert 'Fix up non-directory creation in SGID directories' Brian Maly Orabug: 28781234...

Unbreakable Enterprise kernel security update

2.6.39-400.302.2 - Revert 'Fix up non-directory creation in SGID directories' Brian Maly Orabug: 28781234 2.6.39-400.302.1 - Fix up non-directory creation in SGID directories Linus Torvalds Orabug: 28459479 CVE-2018-13405 - ALSA: seq: Make ioctls race-free Takashi Iwai Orabug: 28459730...

Virtuozzo 7 : readykernel-patch (VZA-2018-049)

According to the version of the vzkernel package and the readykernel-patch installed, the Virtuozzo installation on the remote host is affected by the following vulnerabilities : - It was discovered that the local users could create files with an unintended group ownership and with group executio...

CVE-2018-13405

The inodeinitowner function in fs/inode.c in the Linux kernel through 3.16 allows local users to create files with an unintended group ownership, in a scenario where a directory is SGID to a certain group and is writable by a user who is not a member of that group. Here, the non-member can trigge...