CVE-2026-54330

A flaw was found in Ceph RGW's SigV4 signature verification handler. When processing S3 requests, RGW verifies only the headers explicitly listed in the X-Amz-SignedHeaders field but does not reject requests that carry additional unsigned x-amz- headers. This diverges from the AWS S3 specificatio...

CVE-2026-50152

A flaw was found in the MON subscription handler of Ceph, a distributed storage system. The handler does not properly authorize access to the config-key store when processing MMonSubscribe messages. Any CephX user holding mon allow r capabilities can read the entire config-key store, which contai...

CVE-2026-39944

A flaw was found in Ceph RGW's STS Security Token Service session token implementation. The STS tokens use the same unauthenticated AES-128-CBC encryption as CephX, which lacks message authentication and uses a hardcoded initialization vector. Because there is no integrity protection on the token...

Important: Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.20.17 security, enhancement & bug fix update

Red Hat OpenShift Data Foundation 4.20.17 security, enhancement & bug fix update Red Hat OpenShift Data Foundation 4.20.17 security, enhancement & bug fix update FIXED BUGS: ========== DFBUGS-8962: RHODF 4.20.17 release DFBUGS-8003: GSS Rook Ceph metrics are not being scraped, and the...

Important: Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.22.2 security, enhancement & bug fix update

Red Hat OpenShift Data Foundation 4.22.2 security, enhancement & bug fix update Red Hat OpenShift Data Foundation 4.22.2 security, enhancement & bug fix update FIXED BUGS: ========== DFBUGS-9558: MDR: Post-upgrade 4.21 to 4.22 DRPolicy validation failure in Metro DR DFBUGS-9404: Backport to...

SUSE CVE-2026-68160

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 ...

SUSE CVE-2026-68155

In the Linux kernel, the following vulnerability has been resolved: libceph: Reject monmaps advertising zero monitors A message of type CEPHMSGMONMAP contains a monmap that is sent from a monitor to the client. This monmap contains information about the existing monitors in the cluster. Currently...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100715)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100715 advisory. In the Linux kernel, the following vulnerability has been resolved: libceph: Fix potential null-ptr-deref in decodechooseargs A message of type CEPHMSGOSDMAP contain...

The vulnerability of the parse_longname() function in the fs/ceph/crypto.c module of the distributed file system Ceph’s kernel support for Linux operating systems allows a hacker to cause a service failure.

The vulnerability of the parselongname function in the fs/ceph/crypto.c module, which is part of the Ceph distributed file system support for Linux operating systems, relates to the pointer dereferencing. Exploiting this vulnerability could allow a malicious actor to cause service failures remote...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100726)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100726 advisory. In the Linux kernel, the following vulnerability has been resolved: libceph: Fix potential out-of-bounds access in crushdecode A message of type CEPHMSGOSDMAP...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-099986)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099986 advisory. In the Linux kernel, the following vulnerability has been resolved: ceph: supply snapshot context in cephzeropartialobject The cephzeropartialobject function was...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-099788)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099788 advisory. In the Linux kernel, the following vulnerability has been resolved: libceph: Fix potential out-of-bounds access in crushdecode A message of type CEPHMSGOSDMAP...

The vulnerability of the ceph kernel component in the Linux operating system, which allows a hacker to trigger a service failure

The vulnerability of the ceph kernel component in the Linux operating system is related to improper handling of the absence of a specific element. Exploiting this vulnerability can allow an attacker to cause a service failure...

The vulnerability of the osd_fault() function in the net/ceph/osd_client.c module, which is part of the Linux kernel’s networking functions, allows a hacker to trigger a service failure.

The vulnerability of the osdfault function in the net/ceph/osdclient.c module, which implements kernel networking functions in the Linux operating system, is related to state management errors. Exploiting this vulnerability could allow a remote attacker to cause service failures...

libceph: bound get_version reply decode to front len

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

The vulnerability in the ceph/osdclient.c component of the Linux operating system is related to errors during thread blocking. Exploiting this vulnerability can allow an attacker to cause a service failure...

K000162905: Linux kernel vulnerability CVE-2026-22990

Security Advisory Description In the Linux kernel, the following vulnerability has been resolved: libceph: replace overzealous BUGON in osdmapapplyincremental If the osdmap is maliciously corrupted such that the incremental osdmap epoch is different from what is expected, there is no need to BUG...

CVE-2026-68433 libceph: bound get_version reply decode to front len

In the Linux kernel, the following vulnerability has been resolved: libceph: bound getversion reply decode to front len handlegetversionreply uses msg-frontalloclen as the decode boundary for MONGETVERSIONREPLY. That is the size of the reused reply buffer, not the number of bytes actually receive...

The vulnerability of the have_mon_and_osd_map() function in the net/ceph/ceph_common.c kernel module of the Linux operating system allows a hacker to induce a service failure.

The vulnerability of the havemonandosdmap function in the net/ceph/cephcommon.c kernel module of the Linux operating system is related to the dereferencing of a pointer with an expired lifetime. Exploiting this vulnerability could allow an attacker to trigger a service failure...

PT-2026-70947

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An uninitialized memory read exists in the handle get version reply function. The issue occurs because the function uses msg-front alloc len as the decode boundary for MON GET VERSION...