129 matches found
CVE-2021-3493
CVE-2021-3493 — Ubuntu OverlayFS 本地权限提升 CVE-2021-3493 的一个可用的概念验证（PoC）——这是 Ubuntu 内核 OverlayFS 实现中的一个本地权限提升漏洞。 非特权用户可以在用户命名空间内挂载 overlay 文件系统，并通过 setxattr 设置任意文件能力（file capabilities）。内核未能验证这些能力的命名空间来源，因此它们会在 init 用户命名空间 中生效——从而允许任何本地用户提升至 root 权限。 受影响版本 此漏洞为 Ubuntu 特有 。Ubuntu 携带了一个允许非特权 overlay...
CVE-2026-65330
CVE-2026-65330 — tmpfs setxattr PAC 绕过 组件： XNU VFS — defaultsetxattrdoubleagent（tmpfs VNOP） 受影响版本： iOS / iPadOS 26.6 23G71 及更早版本 修复版本： iOS / iPadOS 26.6.1 23G83 类型： xattr 处理器指针签名中的固定 PAC 多样化器 影响： 从内核上下文控制 PC；结合内核写入原语可实现完全提权 致谢 发现者：Bhaswanth Chigurupati 、Billy Jheng Bing Jhong 、Pan Zhenpeng...
Astra Linux – Vulnerability in Linux 5.10
In the Linux kernel, the following vulnerabilities have been resolved: hfsplus: The duplicate attr inode dirty marking action has been removed. Syzbot reported a null-ptr-deref issue in 1. If the attributes file is not loaded during system mounting, a trigger occurs when setxattr is executed in...
Astra Linux – Vulnerability in linux-astra-modules-5.4, linux-astra-modules-5.10
The vulnerability of the parsechooksetxattr function in the Linux kernel-module astra-modules is related to the lack of checking for the returned value. Exploiting this vulnerability allows a perpetrator to cause a service failure...
Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10
In the Linux kernel, the following vulnerabilities have been resolved: ext4: Fixed an inode leak in ext4xattrinodecreate, which occurs on an error path. There is a issue when using setxattr with a fault injection: localhost fsck.ext4 -fn /dev/sda e2fsck 1.46.6-rc1 12-Sep-2022 Pass 1: Checking...
CVE-2026-74414
A flaw was found in the Linux kernel's HFS Plus hfsplus filesystem. A local user could trigger a null-pointer dereference by executing the setxattr function in userspace when the attributes file is not properly loaded during system mount. This vulnerability is caused by a duplicate attribute inod...
CVE-2026-74414
In the Linux kernel, the following vulnerability has been resolved: hfsplus: Remove the duplicate attr inode dirty marking action Syzbot reported a null-ptr-deref in 1. If the attributes file is not loaded during system mount, a trigger occurs 1 when setxattr is executed in userspace. Remove the...
UBUNTU-CVE-2026-74414
In the Linux kernel, the following vulnerability has been resolved: hfsplus: Remove the duplicate attr inode dirty marking action Syzbot reported a null-ptr-deref in 1. If the attributes file is not loaded during system mount, a trigger occurs 1 when setxattr is executed in userspace. Remove the...
EUVD-2026-59561
In the Linux kernel, the following vulnerability has been resolved: hfsplus: Remove the duplicate attr inode dirty marking action Syzbot reported a null-ptr-deref in 1. If the attributes file is not loaded during system mount, a trigger occurs 1 when setxattr is executed in userspace. Remove the...
CVE-2026-74414 hfsplus: Remove the duplicate attr inode dirty marking action
In the Linux kernel, the following vulnerability has been resolved: hfsplus: Remove the duplicate attr inode dirty marking action Syzbot reported a null-ptr-deref in 1. If the attributes file is not loaded during system mount, a trigger occurs 1 when setxattr is executed in userspace. Remove the...
CVE-2026-74414 hfsplus: Remove the duplicate attr inode dirty marking action
In the Linux kernel, the following vulnerability has been resolved: hfsplus: Remove the duplicate attr inode dirty marking action Syzbot reported a null-ptr-deref in 1. If the attributes file is not loaded during system mount, a trigger occurs 1 when setxattr is executed in userspace. Remove the...
PT-2026-72850
In the Linux kernel, the following vulnerability has been resolved: hfsplus: Remove the duplicate attr inode dirty marking action Syzbot reported a null-ptr-deref in 1. If the attributes file is not loaded during system mount, a trigger occurs 1 when setxattr is executed in userspace. Remove the...
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A proof of concept exploit for a time-of-check to time-of-use local privilege escalation vulnerability in libcap version 2.77. The vulnerability exists in capsetfile, which checks a supplied pathname with lstat before independently resolving the same pathname when calling setxattr. Because setxat...
EUVD-2026-45499
In the Linux kernel, the following vulnerability has been resolved: ntfs3: reject direct userspace writes to reserved $LX xattrs NTFS3 uses $LXUID, $LXGID, $LXMOD and $LXDEV as internal WSL permission metadata and reloads them into iuid, igid and imode from ntfsgetwslperm. Because the empty-prefi...
CVE-2026-63833 ntfs3: reject direct userspace writes to reserved $LX* xattrs
In the Linux kernel, the following vulnerability has been resolved: ntfs3: reject direct userspace writes to reserved $LX xattrs NTFS3 uses $LXUID, $LXGID, $LXMOD and $LXDEV as internal WSL permission metadata and reloads them into iuid, igid and imode from ntfsgetwslperm. Because the empty-prefi...
CVE-2026-63833
The CVE-2026-63833 issue affects the Linux kernel ntfs3 module: an unprivileged user on a writable NTFS3 mount could abuse the empty-prefix xattr handler to write to reserved $LX* attributes, enabling planting root ownership and S_ISUID on their file and obtaining effective user ID 0 after inode ...
CVE-2026-52962
A flaw was found in the Linux kernel, specifically within the Ceph file system's extended attribute handling. A buffer leak occurs in the cephsetxattr function because a previously allocated buffer oldblob is not properly released. This can lead to resource exhaustion over time, potentially causi...
SUSE CVE-2026-52962
In the Linux kernel, the following vulnerability has been resolved: ceph: fix a buffer leak in cephsetxattr The oldblob in cephsetxattr can store ci-ixattrs.preallocblob value during the retry. However, it is never called the cephbufferput for the oldblob object. This patch fixes the issue of the...
Linux Distros Unpatched Vulnerability : CVE-2026-52962
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ceph: fix a buffer leak in cephsetxattr The oldblob in cephsetxattr can store ci-ixattrs.preallocblob value during the retry. However, it is never called the...
EUVD-2026-38830
In the Linux kernel, the following vulnerability has been resolved: ceph: fix a buffer leak in cephsetxattr The oldblob in cephsetxattr can store ci-ixattrs.preallocblob value during the retry. However, it is never called the cephbufferput for the oldblob object. This patch fixes the issue of the...