UBUNTU-CVE-2026-46066

In the Linux kernel, the following vulnerability has been resolved: ceph: fix numops off-by-one when crypto allocation fails movedirtyfolioinpagearray may fail if the file is encrypted, the dirty folio is not the first in the batch, and it fails to allocate a bounce buffer to hold the ciphertext...

UBUNTU-CVE-2026-46079

In the Linux kernel, the following vulnerability has been resolved: rbd: fix null-ptr-deref when deviceadddisk fails dorbdadd publishes the device with deviceadd before calling deviceadddisk. If deviceadddisk fails after deviceadd succeeds, the error path calls rbdfreedisk directly and then later...

UBUNTU-CVE-2026-46052

In the Linux kernel, the following vulnerability has been resolved: ceph: only dadd negative dentries when they are unhashed Ceph can call dadddentry, NULL on a negative dentry that is already present in the primary dcache hash. In the current VFS that is not safe. dadd goes through dadd to...

CVE-2026-46079 rbd: fix null-ptr-deref when device_add_disk() fails

In the Linux kernel, the following vulnerability has been resolved: rbd: fix null-ptr-deref when deviceadddisk fails dorbdadd publishes the device with deviceadd before calling deviceadddisk. If deviceadddisk fails after deviceadd succeeds, the error path calls rbdfreedisk directly and then later...

CVE-2026-46066

In the Linux kernel, the following vulnerability has been resolved: ceph: fix numops off-by-one when crypto allocation fails movedirtyfolioinpagearray may fail if the file is encrypted, the dirty folio is not the first in the batch, and it fails to allocate a bounce buffer to hold the ciphertext...

CVE-2026-46066

CVE-2026-46066 pertains to a Linux kernel issue that surfaces as a panic in multi-folio encrypted writes when a bounce buffer allocation fails during fscrypt-enabled CephFS writes. The root cause, described in the CVE entry, is that move_dirty_folio_in_page_array() may fail after the batch has st...

CVE-2026-46066 ceph: fix num_ops off-by-one when crypto allocation fails

In the Linux kernel, the following vulnerability has been resolved: ceph: fix numops off-by-one when crypto allocation fails movedirtyfolioinpagearray may fail if the file is encrypted, the dirty folio is not the first in the batch, and it fails to allocate a bounce buffer to hold the ciphertext...

CVE-2026-46066 ceph: fix num_ops off-by-one when crypto allocation fails

In the Linux kernel, the following vulnerability has been resolved: ceph: fix numops off-by-one when crypto allocation fails movedirtyfolioinpagearray may fail if the file is encrypted, the dirty folio is not the first in the batch, and it fails to allocate a bounce buffer to hold the ciphertext...

EUVD-2026-32448

In the Linux kernel, the following vulnerability has been resolved: ceph: fix numops off-by-one when crypto allocation fails movedirtyfolioinpagearray may fail if the file is encrypted, the dirty folio is not the first in the batch, and it fails to allocate a bounce buffer to hold the ciphertext...

CVE-2026-46066

In the Linux kernel, the following vulnerability has been resolved: ceph: fix numops off-by-one when crypto allocation fails movedirtyfolioinpagearray may fail if the file is encrypted, the dirty folio is not the first in the batch, and it fails to allocate a bounce buffer to hold the ciphertext...

CVE-2026-46052

The CVE-2026-46052 issue concerns the Linux kernel Ceph filesystem where a negative dentry that is already hashed can be re-added to the dcache, corrupting the d_hash bucket and leading to an RCU stall or system hang. The root cause is that d_add() can rehash and reinstate a dentry that is alread...

EUVD-2026-32434

In the Linux kernel, the following vulnerability has been resolved: ceph: only dadd negative dentries when they are unhashed Ceph can call dadddentry, NULL on a negative dentry that is already present in the primary dcache hash. In the current VFS that is not safe. dadd goes through dadd to...

CVE-2026-46052 ceph: only d_add() negative dentries when they are unhashed

In the Linux kernel, the following vulnerability has been resolved: ceph: only dadd negative dentries when they are unhashed Ceph can call dadddentry, NULL on a negative dentry that is already present in the primary dcache hash. In the current VFS that is not safe. dadd goes through dadd to...

CVE-2026-46052

In the Linux kernel, the following vulnerability has been resolved: ceph: only dadd negative dentries when they are unhashed Ceph can call dadddentry, NULL on a negative dentry that is already present in the primary dcache hash. In the current VFS that is not safe. dadd goes through dadd to...

CVE-2026-46052 ceph: only d_add() negative dentries when they are unhashed

In the Linux kernel, the following vulnerability has been resolved: ceph: only dadd negative dentries when they are unhashed Ceph can call dadddentry, NULL on a negative dentry that is already present in the primary dcache hash. In the current VFS that is not safe. dadd goes through dadd to...

CVE-2026-46052

In the Linux kernel, the following vulnerability has been resolved: ceph: only dadd negative dentries when they are unhashed Ceph can call dadddentry, NULL on a negative dentry that is already present in the primary dcache hash. In the current VFS that is not safe. dadd goes through dadd to...

CVE-2026-46024 libceph: Prevent potential null-ptr-deref in ceph_handle_auth_reply()

In the Linux kernel, the following vulnerability has been resolved: libceph: Prevent potential null-ptr-deref in cephhandleauthreply If a message of type CEPHMSGAUTHREPLY contains a zero value for both protocol and result, this is currently not treated as an error. In case of ac-negotiating == tr...

CVE-2026-46024 libceph: Prevent potential null-ptr-deref in ceph_handle_auth_reply()

In the Linux kernel, the following vulnerability has been resolved: libceph: Prevent potential null-ptr-deref in cephhandleauthreply If a message of type CEPHMSGAUTHREPLY contains a zero value for both protocol and result, this is currently not treated as an error. In case of ac-negotiating == tr...

EUVD-2026-32405

In the Linux kernel, the following vulnerability has been resolved: libceph: Prevent potential null-ptr-deref in cephhandleauthreply If a message of type CEPHMSGAUTHREPLY contains a zero value for both protocol and result, this is currently not treated as an error. In case of ac-negotiating == tr...

CVE-2026-46024

In the Linux kernel, the following vulnerability has been resolved: libceph: Prevent potential null-ptr-deref in cephhandleauthreply If a message of type CEPHMSGAUTHREPLY contains a zero value for both protocol and result, this is currently not treated as an error. In case of ac-negotiating == tr...