CVE-2026-46054

In the Linux kernel, the following vulnerability has been resolved: selinux: fix overlayfs mmap and mprotect access checks The existing SELinux security model for overlayfs is to allow access if the current task is able to access the top level file the "user" file and the mounter's credentials ar...

CVE-2026-46054

CVE-2026-46054 affects the Linux kernel SELinux overlayfs access checks for mmap() and mprotect(). The issue arises from insufficient enforcement of backing-file access between the user file and backing file, potentially bypassing policies. A patch introduces security_mmap_backing_file() to enfor...

kernel: mm: call the security_mmap_file() LSM hook in remap_file_pages()

A flaw was found in the remapfilepages function in mm/mmap.c in the Linux kernel, where it does not properly restrict execute access. This vulnerability allows local users to bypass intended SELinux W^X policy restrictions...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: IORINGOPREAD did not correctly consume the provided buffer list when CVE-2023-52926 In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fixed overflow check in mienumattr CVE-2024-27407 I...

CLSA-2024-1731430561 kernel: Fix of 31 CVEs

driver core: bus: Fix double free in driver API busregister CVE-2024-50055 - net: tun: Fix use-after-free in tundetach CVE-2022-49014 - memcg: fix possible use-after-free in memcgwriteeventcontrol CVE-2022-48988 - ppp: fix pppasyncencode illegal access CVE-2024-50035 - drivers: media:...

mm: call the security_mmap_file() LSM hook in remap_file_pages()

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Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: inet: inetdefrag: prevent sk release while still in use CVE-2024-26921 In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetpipapo: walk over current view on netlink dump...

UBUNTU-CVE-2024-47703

In the Linux kernel, the following vulnerability has been resolved: bpf, lsm: Add check for BPF LSM return value A bpf prog returning a positive number attached to fileallocsecurity hook makes kernel panic. This happens because file system can not filter out the positive number returned by the LS...

Linux kernel security vulnerabilities

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 a problem with the landlock LSM hook when handling dparent traversals...

Ubuntu 18.04 LTS : Linux kernel vulnerabilities (USN-4413-1)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4413-1 advisory. Matthew Sheets discovered that the SELinux network label handling implementation in the Linux kernel could be coerced into de-referencing a NULL pointer....

USN-4390-1: Linux kernel vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 16.04 Description It was discovered that the F2FS file system implementation in the Linux kernel did not properly perform bounds checking on xattrs in some situations. A local attacker could possibly use this to expose...