DEBIAN-CVE-2026-89654

In the Linux kernel, the following vulnerability has been resolved: ceph: fix UAF in checknewmap on session freed during unlock checknewmap iterates mdsc-sessions and for each active session drops mdsc-mutex to perform per-session operations. The forced-close path rank removed from map correctly...

CVE-2026-89653

In the Linux kernel, the following vulnerability has been resolved: ceph: reject exporttargets ranks = CEPHMAXMDS in mdsmap decode MDSMap exporttargets entries are monitor controlled. checknewmap uses each entry as a bit number in a fixed stack bitmap, so a rank outside the protocol namespace can...

CVE-2026-89651 ceph: bound MDSCapAuth path and fs_name decode in handle_session()

In the Linux kernel, the following vulnerability has been resolved: ceph: bound MDSCapAuth path and fsname decode in handlesession handlesession decodes the MDSCapAuth records carried by a CEPHSESSIONOPEN message msgversion = 6. For each record the match.path and match.fsname byte strings are rea...

CVE-2026-89650 ceph: bound num_export_targets array for mds info v2/v3

In the Linux kernel, the following vulnerability has been resolved: ceph: bound numexporttargets array for mds info v2/v3 cephmdsmapdecode in fs/ceph/mdsmap.c reads numexporttargets from each per-mds info record and advances the decode cursor by numexporttargets sizeofu32 without first checking...

PT-2026-90368

In the Linux kernel, the following vulnerability has been resolved: ceph: bound copied dentry name length in NFS export get name ceph get name copies the MDS-supplied name into the caller's NAME MAX-sized buffer with memcpyname, rinfo-dname, rinfo-dname len and then writes namerinfo-dname len = 0...

CVE-2026-68160 ceph: fix pre-auth out-of-bounds read on snaptrace in ceph_handle_caps()

In the Linux kernel, the following vulnerability has been resolved: ceph: fix pre-auth out-of-bounds read on snaptrace in cephhandlecaps cephhandlecaps reads snaptracelen from the wire-format cephmdscaps header and uses it unconditionally to build a fake end pointer snaptrace + snaptracelen that ...

UBUNTU-CVE-2026-43419

In the Linux kernel, the following vulnerability has been resolved: ceph: fix memory leaks in cephmdscbuildpath Add putname calls to error code paths that did not free the "path" pointer obtained by getname. If ownership of this pointer is not passed to the caller via pathinfo.path, the function...

Important: kernel6.12

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: md: suspend array while updating raiddisks via sysfs CVE-2025-71225 In the Linux kernel, the following vulnerability has been resolved: btrfs: fix reservation leak in some error paths when inserting inline extent...

CVE-2026-23189

In the Linux kernel, the following vulnerability has been resolved: ceph: fix NULL pointer dereference in cephmdsauthmatch The CephFS kernel client has regression starting from 6.18-rc1. We have issue in cephmdsauthmatch if fsname == NULL: const char fsname = mdsc-fsc-mountoptions-mdsnamespace;...

CVE-2026-23189 ceph: fix NULL pointer dereference in ceph_mds_auth_match()

In the Linux kernel, the following vulnerability has been resolved: ceph: fix NULL pointer dereference in cephmdsauthmatch The CephFS kernel client has regression starting from 6.18-rc1. We have issue in cephmdsauthmatch if fsname == NULL: const char fsname = mdsc-fsc-mountoptions-mdsnamespace;...

Linux Distros Unpatched Vulnerability : CVE-2026-23189

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ceph: fix NULL pointer dereference in cephmdsauthmatch The CephFS kernel client has regression starting from 6.18-rc1. We have issue in cephmdsauthmatch if fsna...

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

The vulnerability in the fs/ceph/mdsclient.c component of the Linux operating system is related to an uncontrolled resource consumption. Exploiting this vulnerability can allow a perpetrator to cause service failures...

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...

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...

Linux kernel 安全漏洞

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 memory leak in the cephmdsauthmatch function, which could lead to a system crash...

SUSE CVE-2024-56563

In the Linux kernel, the following vulnerability has been resolved: ceph: fix cred leak in cephmdscheckaccess getcurrentcred increments the reference counter, but the putcred call was missing...

UBUNTU-CVE-2024-56564

In the Linux kernel, the following vulnerability has been resolved: ceph: pass cred pointer to cephmdsauthmatch This eliminates a redundant getcurrentcred call, because cephmdscheckaccess has already obtained this pointer. As a side effect, this also fixes a reference leak in cephmdsauthmatch: by...

Linux kernel 安全漏洞

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 credential leak in cephmdscheckaccess in the ceph subsystem...

PT-2024-36869 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been resolved by passing a cred pointer to ceph mds auth match. This change eliminates a redundant get current cred call, as ceph mds check acce...