DEBIAN-CVE-2026-89651

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

CVE-2026-89650 is a slab-out-of-bounds read in the Linux kernel's CephFS client , specifically in ceph_mdsmap_decode() (fs/ceph/mdsmap.c). When decoding an MDS map with per-MDS info version 2 or 3, the function advances the decode cursor by num_export_targets * sizeof(u32) without verifying remai...

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 pointer arithmetic errors. Exploiting this vulnerability can allow an attacker to cause a service failure...

kernel: libceph: make decode_pool() more resilient against corrupted osdmaps

In the Linux kernel, the following vulnerability has been resolved: libceph: make decodepool more resilient against corrupted osdmaps If the osdmap is maliciously corrupted such that the encoded length of cephpgpool envelope is less than what is expected for a particular encoding version,...

PT-2026-51852

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds memory access issue exists in the osdmap decode function within libceph. The problem occurs when decoding osd state and osd weight from an incoming osdmap, as the ceph...

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 insufficient access control details. Exploiting this vulnerability can allow an attacker to cause a service failure...

EUVD-2026-5844

In the Linux kernel, the following vulnerability has been resolved: ceph: fix oops due to invalid pointer for kfree in parselongname This fixes a kernel oops when reading ceph snapshot directories .snap, for example by simply running ls /mnt/myceph/.snap. The variable str is guarded by freekfree,...

CVE-2026-23201

CVE-2026-23201: Linux kernel fix for ceph oops due to invalid pointer in kfree() within parse_longname(). Root cause was advancing the pointer to skip the initial '_' in ceph snapshot names, causing kfree() to receive an invalid pointer when listing .snap directories. The patch eliminates the poi...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000845)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000845 advisory. net/ceph/authx.c in Ceph, as used in the Linux kernel before 3.16.3, does not properly validate auth replies, which allows remote attackers to cause a denial of...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002268)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002268 advisory. net/ceph/authx.c in Ceph, as used in the Linux kernel before 3.16.3, does not properly validate auth replies, which allows remote attackers to cause a denial of...

CVE-2025-68285 libceph: fix potential use-after-free in have_mon_and_osd_map()

In the Linux kernel, the following vulnerability has been resolved: libceph: fix potential use-after-free in havemonandosdmap The wait loop in cephopensession can race with the client receiving a new monmap or osdmap shortly after the initial map is received. Both cephmonchandlemap and handleonem...

CVE-2025-68285

CVE-2025-68285 affects the Linux kernel’s Ceph client code path (libceph). The issue is a use-after-free in have_mon_and_osd_map() where a race between map updates (monmap/osdmap) and the wait loop could dereference freed maps if epochs race alignment isn’t held under the appropriate locks. The f...

PT-2025-51689

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.14.0-rc2-build2+ 1266 Description The Linux kernel contains a flaw in libceph related to a potential use-after-free condition within the have mon and osd map function. The issue arises from a race condition in...

CVE-2025-39878

In the Linux kernel, the following vulnerability has been resolved: ceph: fix crash after fscryptencryptpagecacheblocks error The function movedirtyfolioinpagearray was created by commit ce80b76dd327 "ceph: introduce cephprocessfoliobatch method" by moving code from cephwritepagesstart to this...

CVE-2025-39879 ceph: always call ceph_shift_unused_folios_left()

In the Linux kernel, the following vulnerability has been resolved: ceph: always call cephshiftunusedfoliosleft The function cephprocessfoliobatch sets foliobatch entries to NULL, which is an illegal state. Before foliobatchrelease crashes due to this API violation, the function...

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 input validation. Exploiting this vulnerability can allow an attacker to cause a service failure...

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...

CVE-2024-56710 ceph: fix memory leak in ceph_direct_read_write()

In the Linux kernel, the following vulnerability has been resolved: ceph: fix memory leak in cephdirectreadwrite The bvecs array which is allocated in itergetbvecsalloc is leaked and pages remain pinned if cephallocsparseextmap fails. There is no need to delay the allocation of sparseext map unti...

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 the lack of memory release after the effective lifespan of the component. Exploiting this vulnerability can allow an attacker to cause a service failure...

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 incorrect resource locking. Exploiting this vulnerability can allow an attacker to cause a service failure...