RHEL 8 : kernel-rt (RHSA-2023:1584)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:1584 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

A flaw was found in the Linux kernel where unauthorized access to the execution of the setuid file with capabilities was found in the Linux kernel’s OverlayFS subsystem in how a user copies a capable file from a nosuid mount into another mount. This uid mapping bug allows a local user to escalate their privileges on the system.

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CVE-2023-0386

A flaw was found in the Linux kernel, where unauthorized access to the execution of the setuid file with capabilities was found in the Linux kernel’s OverlayFS subsystem in how a user copies a capable file from a nosuid mount into another mount. This uid mapping bug allows a local user to escalat...

CVE-2023-0386

A flaw was found in the Linux kernel, where unauthorized access to the execution of the setuid file with capabilities was found in the Linux kernel’s OverlayFS subsystem in how a user copies a capable file from a nosuid mount into another mount. This uid mapping bug allows a local user to escalat...

Design/Logic Flaw

A flaw was found in the Linux kernel, where unauthorized access to the execution of the setuid file with capabilities was found in the Linux kernel’s OverlayFS subsystem in how a user copies a capable file from a nosuid mount into another mount. This uid mapping bug allows a local user to escalat...

CVE-2023-0386

A flaw was found in the Linux kernel, where unauthorized access to the execution of the setuid file with capabilities was found in the Linux kernel’s OverlayFS subsystem in how a user copies a capable file from a nosuid mount into another mount. This uid mapping bug allows a local user to escalat...

CVE-2023-0386

A flaw was found in the Linux kernel, where unauthorized access to the execution of the setuid file with capabilities was found in the Linux kernel’s OverlayFS subsystem in how a user copies a capable file from a nosuid mount into another mount. This uid mapping bug allows a local user to escalat...

CVE-2023-0386

A flaw was found in the Linux kernel, where unauthorized access to the execution of the setuid file with capabilities was found in the Linux kernel’s OverlayFS subsystem in how a user copies a capable file from a nosuid mount into another mount. This uid mapping bug allows a local user to escalat...

CVE-2023-0386

A flaw was found in the Linux kernel, where unauthorized access to the execution of the setuid file with capabilities was found in the Linux kernel’s OverlayFS subsystem in how a user copies a capable file from a nosuid mount into another mount. This uid mapping bug allows a local user to escalat...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from unauthorized access found in the Linux kernel's OverlayFS subsystem, where a user can copy an executable fil...

SUSE-RU-2021:4149-1 Recommended update for samba

This update for samba fixes the following issues: The username map advice from the CVE-2020-25717 advisory note has undesired side effects for the local nt token. Fallback to a SID/UID based mapping if the name based lookup fails bsc1192849...

SUSE-RU-2021:4126-1 Recommended update for samba

This update for samba fixes the following issues: The username map advice from the CVE-2020-25717 advisory note has undesired side effects for the local nt token. Fallback to a SID/UID based mapping if the name based lookup fails bsc1192849...

SUSE-RU-2021:4117-1 Recommended update for samba

This update for samba fixes the following issues: The username map advice from the CVE-2020-25717 advisory note has undesired side effects for the local nt token. Fallback to a SID/UID based mapping if the name based lookup fails bsc1192849...

Linux - Broken uid/gid Mapping for Nested User Namespaces

commit 6397fac4915a "userns: bump idmap limits to 340" increases the number of possible uid/gid mappings that a namespace can have from 5 to 340. This is implemented by switching to a different data structure if the number of mappings exceeds 5: Instead of linear search over an unsorted array of...

CVE-2015-8709

kernel/ptrace.c in the Linux kernel through 4.4.1 mishandles uid and gid mappings, which allows local users to gain privileges by establishing a user namespace, waiting for a root process to enter that namespace with an unsafe uid or gid, and then using the ptrace system call. NOTE: the vendor...

libipa_hbac, libsss_idmap, libsss_nss_idmap, libsss_simpleifp, python, sssd security update

CentOS Errata and Security Advisory CESA-2015:2355 Updated sssd packages that fix one security issue, multiple bugs, and add various enhancements are now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having Low security impact. A Common Vulnerability...

Linux Kernel 3.13 - SGID Privilege Escalation

/ CVE-2014-4014 Linux Kernel Local Privilege Escalation PoC Vitaly Nikolenko http://hashcrack.org Usage: ./poc filepath where filepath is the file on which you want to set the sgid bit / define GNUSOURCE include include include include include include include include include define STACKSIZE 1024...

Linux Kernel 3.0 < 3.3.5 - 'CLONE_NEWUSER|CLONE_FS' Local Privilege Escalation

/ source: https://www.securityfocus.com/bid/58478/info Linux kernel is prone to a local privilege-escalation vulnerability. Local attackers can exploit this issue to gain kernel privileges, which will aid in further attacks. / / clown-newuser.c -- CLONENEWUSER kernel root PoC Dedicated to: Locke...

Scientific Linux Security Update : nfs-utils-lib on SL5.x i386/x86_64

Details : Tenable Network Security discovered a stack-based buffer overflow flaw in the RPC library used by nfs-utils-lib. A remote unauthenticated attacker who can access an application linked against nfs-utils-lib could trigger this flaw and cause the application to crash. On Red Hat Enterprise...

CentOS 5 : nfs-utils-lib (CESA-2007:0951)

An updated nfs-utils-lib package to correct two security flaws is now available for Red Hat Enterprise Linux 5. This update has been rated as having important security impact by the Red Hat Security Response Team. The nfs-utils-lib package contains support libraries that are needed by the command...