kernel: libceph: fix potential use-after-free in have_mon_and_osd_map()

A use-after-free vulnerability was found in the Ceph client session initialization in the Linux kernel. The havemonandosdmap function checks map epochs without holding the appropriate locks, racing with concurrent map updates that free the old map. This can result in dereferencing freed memory...

kernel: libceph: fix potential use-after-free in have_mon_and_osd_map()

A use-after-free vulnerability was found in the Ceph client session initialization in the Linux kernel. The havemonandosdmap function checks map epochs without holding the appropriate locks, racing with concurrent map updates that free the old map. This can result in dereferencing freed memory...

PT-2026-8209

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel's Ceph implementation where an invalid pointer is passed to the kfree function within the parse longname function. This occurs when reading Ceph snapsho...

EUVD-2019-2945

Malware in sbrugna...

EUVD-2025-19240

Malicious code in bioql PyPI...

CephFS Permission Escalation Vulnerability in Ceph Fuse mounted FS

...

Linux Distros Unpatched Vulnerability : CVE-2025-52555

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Ceph is a distributed object, block, and file storage platform. In versions 17.2.7, 18.2.1 through 18.2.4, and 19.0.0 through 19.2.2, an unprivileged user can...

SUSE CVE-2025-52555

Ceph is a distributed object, block, and file storage platform. In versions 17.2.7, 18.2.1 through 18.2.4, and 19.0.0 through 19.2.2, an unprivileged user can escalate to root privileges in a ceph-fuse mounted CephFS by chmod 777 a directory owned by root to gain access. The result of this is tha...

UBUNTU-CVE-2025-52555

Ceph is a distributed object, block, and file storage platform. In versions 17.2.7, 18.2.1 through 18.2.4, and 19.0.0 through 19.2.2, an unprivileged user can escalate to root privileges in a ceph-fuse mounted CephFS by chmod 777 a directory owned by root to gain access. The result of this is tha...

CVE-2025-52555 CephFS Permission Escalation Vulnerability in Ceph Fuse mounted FS

Ceph is a distributed object, block, and file storage platform. In versions 17.2.7, 18.2.1 through 18.2.4, and 19.0.0 through 19.2.2, an unprivileged user can escalate to root privileges in a ceph-fuse mounted CephFS by chmod 777 a directory owned by root to gain access. The result of this is tha...

CVE-2025-52555 CephFS Permission Escalation Vulnerability in Ceph Fuse mounted FS

Ceph is a distributed object, block, and file storage platform. In versions 17.2.7, 18.2.1 through 18.2.4, and 19.0.0 through 19.2.2, an unprivileged user can escalate to root privileges in a ceph-fuse mounted CephFS by chmod 777 a directory owned by root to gain access. The result of this is tha...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ceph: fixed a memory leak in cephmdsauthmatch We have now freed the temporary target path substring allocation on every possible branch, instead of omitting the default branch. In some cases, a memory leak occurred, which could...

Linux Distros Unpatched Vulnerability : CVE-2025-21737

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: ceph: fix memory leak in cephmdsauthmatch We now free the temporary target path substring...

SUSE CVE-2025-21737

In the Linux kernel, the following vulnerability has been resolved: ceph: fix memory leak in cephmdsauthmatch We now free the temporary target path substring allocation on every possible branch, instead of omitting the default branch. In some cases, a memory leak occured, which could rapidly cras...

CLSA-2025-1740649075 kernel: Fix of 3 CVEs

ALSA: usb-audio: Fix out of bounds reads when finding clock sources CVE-2024-53150 - drm/dpmst: Ensure mstprimary pointer is valid in drmdpmsthandleupreq CVE-2024-57798 - els15 crashes accessing CephFS storage from a cluster CVE-2024-26689...

DEBIAN-CVE-2025-21737

In the Linux kernel, the following vulnerability has been resolved: ceph: fix memory leak in cephmdsauthmatch We now free the temporary target path substring allocation on every possible branch, instead of omitting the default branch. In some cases, a memory leak occured, which could rapidly cras...

UBUNTU-CVE-2025-21737

In the Linux kernel, the following vulnerability has been resolved: ceph: fix memory leak in cephmdsauthmatch We now free the temporary target path substring allocation on every possible branch, instead of omitting the default branch. In some cases, a memory leak occured, which could rapidly cras...

CVE-2025-21737

CVE-2025-21737: Linux kernel memory-leak in ceph_mds_auth_match fixed by freeing the temporary target path substring allocation on all branches; leak could trigger memory growth and kernel OOM. Connected docs corroborate the fix in ceph_mds_auth_match and the impact described in production. No ad...

CVE-2025-21737

In the Linux kernel, the following vulnerability has been resolved: ceph: fix memory leak in cephmdsauthmatch We now free the temporary target path substring allocation on every possible branch, instead of omitting the default branch. In some cases, a memory leak occured, which could rapidly cras...

CVE-2025-21737 ceph: fix memory leak in ceph_mds_auth_match()

In the Linux kernel, the following vulnerability has been resolved: ceph: fix memory leak in cephmdsauthmatch We now free the temporary target path substring allocation on every possible branch, instead of omitting the default branch. In some cases, a memory leak occured, which could rapidly cras...