21 matches found
CVE-2021-3493
CVE-2021-3493 Ubuntu OverlayFS ローカル権限昇格 影響を受けるバージョン Ubuntu 20.10 Ubuntu 20.04 LTS Ubuntu 18.04 LTS Ubuntu 16.04 LTS Ubuntu 14.04 ESM 使用方法 gcc exploit.c -o exploit chmod +x exploit ./exploit 説明...
CVE-2021-3493
CVE-2021-3493 Ubuntu OverlayFS 本地权限提升 描述 "Ubuntu 特有的问题,存在于 Linux 内核的 overlayfs 文件系统中,它未能正确验证文件系统能力在用户命名空间中的应用。本地攻击者可以利用此漏洞获取更高权限,原因是 Ubuntu 携带了一个允许非特权 overlayfs 挂载的补丁。" - Ubuntu 安全公告 已在 Linux 5.11 中修复 受影响版本 Ubuntu 20.10 Ubuntu 20.04 LTS Ubuntu 19.04 LTS Ubuntu 18.04 LTS Ubuntu 16.04 LTS Ubuntu...
EUVD-2022-28864
Malicious code in bioql PyPI...
Important: kernel
Issue Overview: ntfs3 in the Linux kernel through 6.8.0 allows a physically proximate attacker to read kernel memory by mounting a filesystem e.g., if a Linux distribution is configured to allow unprivileged mounts of removable media and then leveraging local access to trigger an out-of-bounds...
PT-2025-50587
Name of the Vulnerable Software and Affected Versions smb4k versions prior to 4.0.0-1+deb13u1 Description Two issues were identified in smb4k, a KDE desktop utility used for mounting Samba/CIFS network shares. These issues could lead to a local denial of service or local privilege escalation...
PT-2025-50588
Name of the Vulnerable Software and Affected Versions smb4k versions prior to 4.0.0-1+deb13u1 Description Two issues were identified in smb4k, a KDE desktop utility used for mounting Samba/CIFS network shares. These issues could lead to a local denial of service or local privilege escalation...
SUSE CVE-2023-45896
ntfs3 in the Linux kernel through 6.8.0 allows a physically proximate attacker to read kernel memory by mounting a filesystem e.g., if a Linux distribution is configured to allow unprivileged mounts of removable media and then leveraging local access to trigger an out-of-bounds read. A length val...
DEBIAN-CVE-2023-45896
ntfs3 in the Linux kernel through 6.8.0 allows a physically proximate attacker to read kernel memory by mounting a filesystem e.g., if a Linux distribution is configured to allow unprivileged mounts of removable media and then leveraging local access to trigger an out-of-bounds read. A length val...
CVE-2023-45896
ntfs3 in the Linux kernel through 6.8.0 allows a physically proximate attacker to read kernel memory by mounting a filesystem e.g., if a Linux distribution is configured to allow unprivileged mounts of removable media and then leveraging local access to trigger an out-of-bounds read. A length val...
UBUNTU-CVE-2023-45896
ntfs3 in the Linux kernel through 6.8.0 allows a physically proximate attacker to read kernel memory by mounting a filesystem e.g., if a Linux distribution is configured to allow unprivileged mounts of removable media and then leveraging local access to trigger an out-of-bounds read. A length val...
CVE-2023-45896
ntfs3 in the Linux kernel through 6.8.0 allows a physically proximate attacker to read kernel memory by mounting a filesystem e.g., if a Linux distribution is configured to allow unprivileged mounts of removable media and then leveraging local access to trigger an out-of-bounds read. A length val...
PT-2024-13298
Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.5.11 Linux kernel versions through 6.8.0 Description The issue allows a physically proximate attacker to read kernel memory by mounting a filesystem and then leveraging local access to trigger an out-of-bounds...
K54635192: Linux kernel overlayfs vulnerability CVE-2021-3493
Security Advisory Description The overlayfs implementation in the linux kernel did not properly validate with respect to user namespaces the setting of file capabilities on files in an underlying file system. Due to the combination of unprivileged user namespaces along with a patch carried in the...
SUSE CVE-2022-23948
A flaw was found in Keylime before 6.3.0. The logic in the Keylime agent for checking for a secure mount can be fooled by previously created unprivileged mounts allowing secrets to be leaked to other processes on the host...
CVE-2022-23948
A flaw was found in Keylime before 6.3.0. The logic in the Keylime agent for checking for a secure mount can be fooled by previously created unprivileged mounts allowing secrets to be leaked to other processes on the host...
CVE-2022-23948
A flaw was found in Keylime before 6.3.0. The logic in the Keylime agent for checking for a secure mount can be fooled by previously created unprivileged mounts allowing secrets to be leaked to other processes on the host...
Exploit for Privilege Context Switching Error in Canonical Ubuntu_Linux
CVE-2021-3493 Ubuntu OverlayFS Local Privesc Affected Vers...
CVE-2021-3493
The overlayfs implementation in the linux kernel did not properly validate with respect to user namespaces the setting of file capabilities on files in an underlying file system. Due to the combination of unprivileged user namespaces along with a patch carried in the Ubuntu kernel to allow...
CVE-2021-3493
Summary: CVE-2021-3493 is a Linux kernel overlayfs privilege-escalation issue where overlayfs does not properly validate file capabilities against user namespaces, enabling local privilege escalation on systems using unprivileged user namespaces with Ubuntu overlay patches. The vulnerability is r...
UBUNTU-CVE-2021-3493
The overlayfs implementation in the linux kernel did not properly validate with respect to user namespaces the setting of file capabilities on files in an underlying file system. Due to the combination of unprivileged user namespaces along with a patch carried in the Ubuntu kernel to allow...