Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: libceph: The calctarget function should set t-paused, rather than simply clearing it. Currently, calctarget clears t-paused if the request should no longer be paused. However, it never sets t-paused, even though it can determine...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Ceph: Proper snapshot context was provided for the cephzeropartialobject function. The cephzeropartialobject function lacked the correct snapshot context for its OSD write operations, which could lead to inconsistencies in...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ceph: Stopping functions that attempt paths longer than PATHMAX If the full path to be built by cephmdscbuildpath is longer than PATHMAX, this function will enter an infinite loop, effectively blocking the entire task. Most of th...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: TCP: The check skb variable is not NULL in tcprtodeltaus. We have some machines running stock Ubuntu 20.04.6; these machines use the 5.4.0-174-generic kernel and run Ceph. Recently, a NULL pointer dereference occurred in...

Astra Linux – Vulnerability in Ceph

A flaw was discovered in the Red Hat Ceph Storage RGW in versions prior to 14.2.21. When processing a GET request for a swift URL that ends with two slashes, it can cause the rgw component to crash, resulting in a denial of service. The most significant threat to the system is its availability...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ceph: Do not leak snaprwsem when handlecapgrant is called on an IMPORT operation. When handlecapgrant is called on an IMPORT operation, the snaprwsem resource is held, and the function is expected to release it before returning...

Astra Linux – Vulnerability in Ceph

Ceph is a distributed object, block, and file storage platform. In versions 19.2.3 and earlier, it is possible to send a JWT with “none” as its JWT algorithm. By doing this, the JWT signature is not checked. The vulnerability lies most likely in the RadosGW OIDC provider. As of the time of...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: libceph: fixed a race condition between delayedwork and cephmoncstop The way delayed work is handled in cephmoncstop is prone to races with monfault, and possibly also finishhunting. Both of these can requeue the delayed work,...

CVE-2026-89646

A flaw was found in the Ceph filesystem component of the Linux kernel. When a writeback operation is aborted during an unmount process, a reference to an inode a data structure describing a filesystem object is not properly released. This prevents the inode from being evicted, potentially leading...

Linux Distros Unpatched Vulnerability : CVE-2026-89649

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ceph: bound xattr value length in buildxattrs buildxattrs decodes the MDS-supplied xattr blob one attribute at a time. For each attribute it reads a 32-bit name...

Linux Distros Unpatched Vulnerability : CVE-2026-89653

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ceph: reject exporttargets ranks = CEPHMAXMDS in mdsmap decode MDSMap exporttargets entries are monitor controlled. checknewmap uses each entry as a bit number ...

Linux Distros Unpatched Vulnerability : CVE-2026-89651

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ceph: bound MDSCapAuth path and fsname decode in handlesession handlesession decodes the MDSCapAuth records carried by a CEPHSESSIONOPEN message msgversion = 6...

Linux Distros Unpatched Vulnerability : CVE-2026-89646

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ceph: fix leaked inode reference on writeback abort at umount cephdirtyfolio takes a wrbuffer claim on each newly dirtied folio: it bumps iwrbufferref taking an...

Linux Distros Unpatched Vulnerability : CVE-2026-89656

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libceph: reject buckets with mismatched CRUSH ids crushdecode stores bucket data by array slot, and the mapper later derives the per-bucket workspace index from...

Linux Distros Unpatched Vulnerability : CVE-2026-89648

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ceph: cap delegated inode count in cephparsedeleginos cephparsedeleginos decodes interval sets of delegated inode numbers from an MDS create-with-delegation...

Linux Distros Unpatched Vulnerability : CVE-2026-89650

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

Linux Distros Unpatched Vulnerability : CVE-2026-89655

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ceph: fix UAF in kickflushingcaps on cf entry freed during unlock listforeachentry iterates ci-icapflushlist but drops icephlock to send cap messages. During th...

Linux Distros Unpatched Vulnerability : CVE-2026-89657

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libceph: validate OSD extent maps before cursor advance net/ceph/osdclient.c:osdsparseread validates that the sparse-read data length matches the summed extent...

Linux Distros Unpatched Vulnerability : CVE-2026-89647

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ceph: do not repeat cephtrimdentries if no progress possible cephcapreclaimwork re-queues itself for as long as cephtrimdentries returns -EAGAIN, which happens...

Linux Distros Unpatched Vulnerability : CVE-2026-89652

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ceph: bound copied dentry name length in NFS export getname cephgetname copies the MDS-supplied name into the caller's NAMEMAX-sized buffer with memcpyname,...