kernel: Linux kernel: Use-After-Free vulnerability in ATM subsystem

A flaw was found in the Linux kernel's Asynchronous Transfer Mode ATM subsystem. An authenticated local attacker could exploit a Use-After-Free UAF vulnerability in the /proc/net/atm/lec handling. This flaw occurs due to improper devput calls without prior devhold calls, leading to an imbalance i...

runc: opencontainers/selinux: container escape and denial of service due to arbitrary write gadgets and procfs write redirects

A flaw was found in runc. This attack is a more sophisticated variant of CVE-2019-16884, which was a flaw that allowed an attacker to trick runc into writing the LSM process labels for a container process into a dummy tmpfs file and thus not apply the correct LSM labels to the container process...

CLSA-2026-1768824748 kernel: Fix of 7 CVEs

fs/proc: fix uaf in procreaddirde CVE-2025-40271 - fs: fix UAF/GPF bug in nilfsmdtdestroy CVE-2022-2978 - Bluetooth: L2CAP: fix "bad unlock balance" in l2capdisconnectrsp CVE-2023-53297 - net: sched: sfb: fix null pointer access issue when sfbinit fails CVE-2022-50356 - ALSA: usb-audio: Fix size...

nfs: Clean up /proc/net/rpc/nfs when nfs_fs_proc_net_init() fails.

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UBUNTU-CVE-2025-64750

SingularityCE and SingularityPRO are open source container platforms. Prior to SingularityCE 4.3.5 and SingularityPRO 4.1.11 and 4.3.5, if a user relies on LSM restrictions to prevent malicious operations then, under certain circumstances, an attacker can redirect the LSM label write operation so...

Use of Incorrectly-Resolved Name or Reference

Overview Affected versions of this package are vulnerable to Use of Incorrectly-Resolved Name or Reference in the handling of procfs file writes that leads to improper enforcement of the two --security options: --security=apparmor: and --security=selinux:. An attacker can bypass intended security...

EUVD-2009-0481

Malware in sbrugna...

CVE-2022-50502

The connected sources identify CVE-2022-50502 as a Linux kernel issue in the mm subsystem related to /proc/pid/smaps_rollup. The root cause described is a null-deref that can occur when there are no VMAs, traced to the commit that converted show_smaps_rollup to a single value seq_file (commit 258...

SUSE-SU-2025:20767-1 Security update for kernel-livepatch-MICRO-6-0_Update_5

This update for kernel-livepatch-MICRO-6-0Update5 fixes the following issues: - CVE-2025-38087: net/sched: fix use-after-free in tapriodevnotifier bsc1245505 - CVE-2025-21999: proc: fix UAF in procgetinode bsc1242579 - CVE-2025-38001: netsched: hfsc: Address reentrant enqueue adding class to eltr...

CVE-2025-38653

CVE-2025-38653: In the Linux kernel, the vulnerability stems from checking proc_lseek directly via pde->proc_ops->proc_lseek, which can cause a use-after-free in a module removal (rmmod) scenario. The issue is a gap in proc_reg_open() that was later addressed by applying the same mitigation...

GHSA-J26P-6WX7-F3PW Youki: If /proc and /sys in the rootfs are symbolic links, they can potentially be exploited to gain access to the host root filesystem.

Summary If /proc and /sys in the rootfs are symbolic links, they can potentially be exploited to gain access to the host root filesystem. Details For security reasons, container creation should be prohibited if /proc or /sys in the rootfs is a symbolic link. I verified this behavior with youki...

Linux Distros Unpatched Vulnerability : CVE-2025-23155

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: stmmac: Fix accessing freed irq affinityhint In stmmacrequestirqmultimsi, a pointer to the stack variable cpumask is passed to irqsetaffinityhint. This val...

SUSE CVE-2025-23155

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: Fix accessing freed irq affinityhint In stmmacrequestirqmultimsi, a pointer to the stack variable cpumask is passed to irqsetaffinityhint. This value is stored in irqdesc-affinityhint, but once stmmacrequestirqmultim...

DEBIAN-CVE-2025-21646

In the Linux kernel, the following vulnerability has been resolved: afs: Fix the maximum cell name length The kafs filesystem limits the maximum length of a cell to 256 bytes, but a problem occurs if someone actually does that: kafs tries to create a directory under /proc/net/afs/ with the name o...

UBUNTU-CVE-2024-35993

In the Linux kernel, the following vulnerability has been resolved: mm: turn foliotesthugetlb into a PageType The current foliotesthugetlb can be fooled by a concurrent folio split into returning true for a folio which has never belonged to hugetlbfs. This can't happen if the caller holds a...

UBUNTU-CVE-2023-28642

runc is a CLI tool for spawning and running containers according to the OCI specification. It was found that AppArmor can be bypassed when /proc inside the container is symlinked with a specific mount configuration. This issue has been fixed in runc version 1.1.5, by prohibiting symlinked /proc...

Fedora 安全漏洞

Fedora is a set of Linux operating systems from the Fedora community. A security vulnerability exists in Fedora's Mounting /proc filesystem, which can be exploited by an attacker to bypass the chroot environment and gain write access to files...

DEBIAN-CVE-2020-28588

An information disclosure vulnerability exists in the /proc/pid/syscall functionality of Linux Kernel 5.1 Stable and 5.4.66. More specifically, this issue has been introduced in v5.1-rc4 commit 631b7abacd02b88f4b0795c08b54ad4fc3e7c7c0 and is still present in v5.10-rc4, so it’s likely that all...

ansible: svn module leaks password when specified as a parameter

A flaw was found in Ansible Engine. When a password is set with the argument "password" of svn module, it is used on svn command line, disclosing to other users within the same node. An attacker could take advantage by reading the cmdline file from that particular PID on the procfs...

USN-3664-1 apport vulnerability

Sander Bos discovered that Apport incorrectly handled core dumps when certain files are missing from /proc. A local attacker could possibly use this issue to cause a denial of service, gain root privileges, or escape from containers...