Race condition

A race condition accessing file object in the Linux kernel OverlayFS subsystem was found in the way users do rename in specific way with OverlayFS. A local user could use this flaw to crash the system...

CVE-2021-20321

A race condition accessing file object in the Linux kernel OverlayFS subsystem was found in the way users do rename in specific way with OverlayFS. A local user could use this flaw to crash the system...

CVE-2021-20321

CVE-2021-20321 is a race-condition vulnerability in the Linux kernel OverlayFS subsystem affecting how file renames are performed, potentially allowing a local attacker to crash the system via OverlayFS misuse. Connected advisories corroborate that the issue resides in OverlayFS file object handl...

CVE-2021-20321

A race condition accessing file object in the Linux kernel OverlayFS subsystem was found in the way users do rename in specific way with OverlayFS. A local user could use this flaw to crash the system...

OracleVM 3.4 : kernel-uek (OVMSA-2022-0007)

The remote OracleVM system is missing necessary patches to address security updates: - Improper access control in BlueZ may allow an authenticated user to potentially enable information disclosure via adjacent access. CVE-2021-0129 - In eploopcheckproc of eventpoll.c, there is a possible way to...

Exploit for CVE-2015-1328

CVE-2015-1328-GoldenEye about exploit: The overlayfs imple...

Exploit for CVE-2015-1328

CVE-2015-1328-GoldenEye about exploit: The overlayfs imple...

container-tools:rhel8 security, bug fix, and enhancement update

An update is available for fuse-overlayfs, container-selinux, udica, containers-common, runc, toolbox, podman, conmon, skopeo, crun, libslirp, oci-seccomp-bpf-hook, python-podman, slirp4netns, containernetworking-plugins, buildah, criu, cockpit-podman. This update affects Rocky Linux 8. A Common...

container-tools:3.0 security, bug fix, and enhancement update

An update is available for fuse-overlayfs, container-selinux, udica, runc, toolbox, podman, conmon, skopeo, crun, libslirp, oci-seccomp-bpf-hook, slirp4netns, containernetworking-plugins, buildah, criu, cockpit-podman. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS...

Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2022-9088)

The remote Oracle Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2022-9088 advisory. - xfs: map unwritten blocks in XFSIOCALLOC,FREESP just like fallocate Darrick J. Wong Orabug: 33699627 Orabug: 33762471 CVE-2021-4155 - fix...

Important: kernel

Issue Overview: A race condition accessing file object in the Linux kernel OverlayFS subsystem was found in the way users do rename in specific way with OverlayFS. A local user could use this flaw to crash the system. CVE-2021-20321 This vulnerability allows local attackers to escalate privileges...

Mageia: Security Advisory (MGASA-2021-0120)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu 20.04 LTS : Linux kernel vulnerabilities (USN-5208-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5208-1 advisory. Nadav Amit discovered that the hugetlb implementation in the Linux kernel did not perform TLB flushes under certain conditions. A local attacker could us...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-5210-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5210-1 advisory. Nadav Amit discovered that the hugetlb implementation in the Linux kernel did not perform TLB flushes under certain conditions. A local...

CentOS 8 : kernel (CESA-2021:5227)

The remote CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CESA-2021:5227 advisory. - kernel: In Overlayfs missing a check for a negative dentry before calling vfsrename CVE-2021-20321 Note that Nessus has not tested for this issue but has...

Denial Of Service (DoS)

kernel is vulnerable to Denial Of Service DoS. The vulnerability exists due to a race condition accessing file object in the Linux kernel OverlayFS subsystem allowing an attacker to crash the system by renaming the OverlayFS in a certain way...

RHEL 8 : kernel-rt (RHSA-2021:5241)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:5241 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Securi...

Moderate: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

Moderate: Red Hat Security Advisory: kernel-rt security and bug fix update

An update for kernel-rt is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

kernel: In Overlayfs missing a check for a negative dentry before calling vfs_rename()

A race condition accessing file object in the Linux kernel OverlayFS subsystem was found in the way users do rename in specific way with OverlayFS. A local user could use this flaw to crash the system...