CVE-2026-80544

CVE-2026-80544 affects the Linux kernel s390/zcrypt subsystem, specifically the zcrypt_msgtype6_send_ep11_cprb() function. The vulnerability arises from fragile struct overlays used to read and modify the domain field in the EP11 CPRB payload, which assume a fixed structure without validating the...

CVE-2026-80544 s390/zcrypt: Improve EP11 CPRB domain handling with ASN.1 parsing

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Improve EP11 CPRB domain handling with ASN.1 parsing The zcryptmsgtype6sendep11cprb function uses fragile struct overlays to access and modify the domain field in the EP11 CPRB payload, creating maintainability and...

CVE-2026-80541

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: validate GEMCREATE domain combinations AMDGPUGEMCREATE checked domain bits against AMDGPUGEMDOMAINMASK, but did not validate domain combinations. Userspace could combine CPU|GTT|VRAM with DOORBELL, GDS, GWS, or OA,...

CVE-2026-80541

A vulnerability in the Linux kernel's drm/amdgpu driver allows a local, low-privileged user to trigger a kernel BUG_ON() crash by crafting a GEM_CREATE ioctl with an invalid combination of domain flags (e.g., CPU|GTT|VRAM combined with DOORBELL, GDS, GWS, or OA). The root cause is that while indi...

CVE-2026-80541 drm/amdgpu: validate GEM_CREATE domain combinations

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: validate GEMCREATE domain combinations AMDGPUGEMCREATE checked domain bits against AMDGPUGEMDOMAINMASK, but did not validate domain combinations. Userspace could combine CPU|GTT|VRAM with DOORBELL, GDS, GWS, or OA,...

CVE-2026-80541 drm/amdgpu: validate GEM_CREATE domain combinations

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: validate GEMCREATE domain combinations AMDGPUGEMCREATE checked domain bits against AMDGPUGEMDOMAINMASK, but did not validate domain combinations. Userspace could combine CPU|GTT|VRAM with DOORBELL, GDS, GWS, or OA,...

CVE-2026-80537

In the Linux kernel, the following vulnerability has been resolved: xfs: fix off-by-one in rtrefcount btree root level validation xfsrtrefcountbtcomputemaxlevels sets mp-mrtrefcmaxlevels = mindmaxlevels, rmaxlevels + 1; where the trailing "+ 1" already accounts for the inode-root level, so the...

CVE-2026-80537

CVE-2026-80537 is an off-by-one error in the Linux kernel's XFS filesystem, specifically in the realtime refcount btree root level validation. The functions xfs_rtrefcountbt_verify() and xfs_iformat_rtrefcount() use > instead of >= when checking the on-disk root level, allowing a crafted XF...

CVE-2026-80537 xfs: fix off-by-one in rtrefcount btree root level validation

In the Linux kernel, the following vulnerability has been resolved: xfs: fix off-by-one in rtrefcount btree root level validation xfsrtrefcountbtcomputemaxlevels sets mp-mrtrefcmaxlevels = mindmaxlevels, rmaxlevels + 1; where the trailing "+ 1" already accounts for the inode-root level, so the...

CVE-2026-80537 xfs: fix off-by-one in rtrefcount btree root level validation

In the Linux kernel, the following vulnerability has been resolved: xfs: fix off-by-one in rtrefcount btree root level validation xfsrtrefcountbtcomputemaxlevels sets mp-mrtrefcmaxlevels = mindmaxlevels, rmaxlevels + 1; where the trailing "+ 1" already accounts for the inode-root level, so the...

CVE-2026-80528

In the Linux kernel, the following vulnerability has been resolved: ceph: avoid fs reclaim while using current-journalinfo handlereply stores a cephmdsrequest pointer in current-journalinfo while filling the inode and dentry cache from an MDS reply. An allocation in this section can enter direct...

CVE-2026-80527 ceph: fix hanging __ceph_get_caps() with stale mds_wanted

In the Linux kernel, the following vulnerability has been resolved: ceph: fix hanging cephgetcaps with stale mdswanted A reader can hang forever in cephgetcaps when the client no longer holds FILERD, but local cap state still says that the capability is already wanted via mdswanted. One way to...

CVE-2026-80528

CVE-2026-80528 is a Linux kernel bug in the Ceph filesystem driver . The function handle_reply() stores a ceph_mds_request pointer in current->journal_info while populating inode and dentry caches from an MDS reply. If a memory allocation during this window triggers direct reclaim on a differe...

CVE-2026-80527

CVE-2026-80527 affects the Linux kernel's Ceph filesystem client (cephfs) . The vulnerability is in the capability state management within __ceph_get_caps(): the cap->mds_wanted field is updated before the corresponding CEPH_MSG_CLIENT_CAPS message is actually sent to the MDS, causing a stale ...

CVE-2026-80527

In the Linux kernel, the following vulnerability has been resolved: ceph: fix hanging cephgetcaps with stale mdswanted A reader can hang forever in cephgetcaps when the client no longer holds FILERD, but local cap state still says that the capability is already wanted via mdswanted. One way to...

CVE-2026-80528 ceph: avoid fs reclaim while using current->journal_info

In the Linux kernel, the following vulnerability has been resolved: ceph: avoid fs reclaim while using current-journalinfo handlereply stores a cephmdsrequest pointer in current-journalinfo while filling the inode and dentry cache from an MDS reply. An allocation in this section can enter direct...

CVE-2026-80527 ceph: fix hanging __ceph_get_caps() with stale mds_wanted

In the Linux kernel, the following vulnerability has been resolved: ceph: fix hanging cephgetcaps with stale mdswanted A reader can hang forever in cephgetcaps when the client no longer holds FILERD, but local cap state still says that the capability is already wanted via mdswanted. One way to...

CVE-2026-80528 ceph: avoid fs reclaim while using current->journal_info

In the Linux kernel, the following vulnerability has been resolved: ceph: avoid fs reclaim while using current-journalinfo handlereply stores a cephmdsrequest pointer in current-journalinfo while filling the inode and dentry cache from an MDS reply. An allocation in this section can enter direct...

CVE-2026-80521 af_unix: Unlink scc_entry in unix_del_edge().

In the Linux kernel, the following vulnerability has been resolved: afunix: Unlink sccentry in unixdeledge. Kyle Zeng reported that GC could free a dead SCC partially. The scenario is as follows: 1 Create two SCCs: X -. A B ^--' 2 Run the following concurrently: 2-1 send sk-B to sk-B from sk-X 2-...

CVE-2026-80521

CVE-2026-80521 is a use-after-free in the Linux kernel's af_unix subsystem, specifically in the garbage collection (GC) logic for strongly connected components (SCC). A race in unix_del_edge() allows the GC to free a dead SCC partially when a concurrent send() of a socket and close() of other soc...