Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987587)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987587 advisory. In the Linux kernel, the following vulnerability has been resolved: ovl: fix warning in ovlcreatereal Syzbot triggered the following warning in ovlworkdircreate -...

EUVD-2015-8809

Malware in sbrugna...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-414321)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-414321 advisory. A use-after-free flaw was found in the Linux kernels Ext4 File System in how a user triggers several file operations simultaneously with the overlay FS usage. This...

EUVD-2023-59824

Malicious code in bioql PyPI...

USN-7802-1 linux-azure, linux-azure-6.8 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM32 architecture; - ARM64 architecture; - x86 architecture; - Compute Acceleration Framework; - Bus devices; - AM...

USN-7779-1 linux-ibm, linux-ibm-6.8 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM32 architecture; - ARM64 architecture; - x86 architecture; - Compute Acceleration Framework; - Bus devices; - AM...

Linux Distros Unpatched Vulnerability : CVE-2023-53260

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: ovl: fix null pointer dereference in ovlpermission Following process: P1 P2 pathlookupat...

UBUNTU-CVE-2023-53260

In the Linux kernel, the following vulnerability has been resolved: ovl: fix null pointer dereference in ovlpermission Following process: P1 P2 pathlookupat linkpathwalk inodepermission ovlpermission ovlipathrealinode, &realpath path-dentry = ovlidentryupperinode dropcache dentrykillovldentry...

CVE-2023-53260 ovl: fix null pointer dereference in ovl_permission()

In the Linux kernel, the following vulnerability has been resolved: ovl: fix null pointer dereference in ovlpermission Following process: P1 P2 pathlookupat linkpathwalk inodepermission ovlpermission ovlipathrealinode, &realpath path-dentry = ovlidentryupperinode dropcache dentrykillovldentry...

USN-7725-3 linux-gcp-6.8, linux-gke, linux-gkeop, linux-hwe-6.8, linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency, linux-raspi vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Overlay file system; - Network traffic control; CVE-2025-21887, CVE-2024-57996, CVE-2025-38350, CVE-2025-37752...

LSN-0114-1 Kernel Live Patch Security Notice

In the Linux kernel, the following vulnerability has been resolved: bfq: fix use-after-free in bfqdispatchrequest KASAN reports a use-after-free report when doing normal scsi-mq test . In the Linux kernel, the following vulnerability has been resolved: block, bfq: don't move oombfqq Our test repo...

Linux Distros Unpatched Vulnerability : CVE-2023-53004

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: ovl: fix tmpfile leak Missed an error cleanup. CVE-2023-53004 Note that Nessus relies on the...

Linux Distros Unpatched Vulnerability : CVE-2016-6197

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - fs/overlayfs/dir.c in the OverlayFS filesystem implementation in the Linux kernel before 4.6 does not properly verify the upper dentry before proceeding with...

Linux Distros Unpatched Vulnerability : CVE-2016-6198

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The filesystem layer in the Linux kernel before 4.5.5 proceeds with post-rename operations after an OverlayFS file is renamed to a self-hardlink, which allows...

kernel: ovl: fix UAF in ovl_dentry_update_reval by moving dput() in ovl_link_up

A use after free vulnerability exists in the linux kernel such that dputupper is being called before ovldentryupdatereval, while upper-dflags was still accessed in ovldentryremote...

The vulnerability in the `fs/overlayfs/export.c` component of the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the fs/overlayfs/export.c component in the Linux operating system is related to insufficient input validation. Exploiting this vulnerability can allow an attacker to cause a service failure...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: ovl: Fixed a UAF Use-After-Free in ovldentryupdatereval by moving the dput function within ovllinkup. The issue arose because dputupper was called before ovldentryupdatereval, while upper-dflags was still accessed in...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ovl: Do not allow datadir alone. Theoretically, overlayfs could support upper-layer references to a data layer, but there are currently no use cases for this feature. Originally, when data-only layers were introduced, such...

kernel: ovl: fix UAF in ovl_dentry_update_reval by moving dput() in ovl_link_up

A use after free vulnerability exists in the linux kernel such that dputupper is being called before ovldentryupdatereval, while upper-dflags was still accessed in ovldentryremote...

Exploit for Privilege Context Switching Error in Canonical Ubuntu_Linux

PoC exploit for CVE-2021-3493, an Ubuntu OverlayFS Local Privesc vulnerability. The target is the Linux kernel, specifically the overlayfs file system, which did not properly validate the application of file system capabilities with respect to user namespaces. A local attacker could use this to...