CVE-2026-68163

In the Linux kernel, the following vulnerability has been resolved: mm/pagevmamapped: fix device-private PMD handling Commit 65edfda6f3f2 "mm/rmap: extend rmap and migration support device-private entries" introduced the concept of device-private PMD entries, but did not correctly update the rmap...

EUVD-2026-55549

In the Linux kernel, the following vulnerability has been resolved: mm/pagevmamapped: fix device-private PMD handling Commit 65edfda6f3f2 "mm/rmap: extend rmap and migration support device-private entries" introduced the concept of device-private PMD entries, but did not correctly update the rmap...

CVE-2026-68162

In the Linux kernel, the following vulnerability has been resolved: sctp: avoid authenable sysctl UAF during netns teardown procsctpdoauth updates the SCTP control socket after changing net.sctp.authenable. The handler gets the per-net SCTP state from ctl-data, so an already opened sysctl file ca...

CVE-2026-68161 sctp: close UDP tunnel sockets during netns teardown

In the Linux kernel, the following vulnerability has been resolved: sctp: close UDP tunnel sockets during netns teardown procsctpdoudpport starts per-net SCTP UDP tunneling sockets when net.sctp.udpport is set, and stops/restarts them when the sysctl value changes. The netns exit path does not st...

CVE-2026-68161

In the Linux kernel, the following vulnerability has been resolved: sctp: close UDP tunnel sockets during netns teardown procsctpdoudpport starts per-net SCTP UDP tunneling sockets when net.sctp.udpport is set, and stops/restarts them when the sysctl value changes. The netns exit path does not st...

CVE-2026-68161 sctp: close UDP tunnel sockets during netns teardown

In the Linux kernel, the following vulnerability has been resolved: sctp: close UDP tunnel sockets during netns teardown procsctpdoudpport starts per-net SCTP UDP tunneling sockets when net.sctp.udpport is set, and stops/restarts them when the sysctl value changes. The netns exit path does not st...

EUVD-2026-55546

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 ...

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 ...

EUVD-2026-55545

In the Linux kernel, the following vulnerability has been resolved: libceph: bound pgtemp,upmap,upmapitems length to CEPHPGMAXSIZE decodepgtemp decodes an user-controlled length but only rejects values large enough to overflow the allocation; it does not bound it to CEPHPGMAXSIZE. The helper back...

CVE-2026-68159

The CVE-Covered issue affects the Linux kernel’s libceph decoding of pg_temp/pg_upmap entries. __decode_pg_temp() decodes a user-controlled length but previously did not bound it to CEPH_PG_MAX_SIZE, allowing potential stack-out-of-bounds writes when an OSDMap contains a long pg_temp/pg_upmap ent...

CVE-2026-68159 libceph: bound pg_{temp,upmap,upmap_items} length to CEPH_PG_MAX_SIZE

In the Linux kernel, the following vulnerability has been resolved: libceph: bound pgtemp,upmap,upmapitems length to CEPHPGMAXSIZE decodepgtemp decodes an user-controlled length but only rejects values large enough to overflow the allocation; it does not bound it to CEPHPGMAXSIZE. The helper back...

CVE-2026-68159 libceph: bound pg_{temp,upmap,upmap_items} length to CEPH_PG_MAX_SIZE

In the Linux kernel, the following vulnerability has been resolved: libceph: bound pgtemp,upmap,upmapitems length to CEPHPGMAXSIZE decodepgtemp decodes an user-controlled length but only rejects values large enough to overflow the allocation; it does not bound it to CEPHPGMAXSIZE. The helper back...

CVE-2026-68159

In the Linux kernel, the following vulnerability has been resolved: libceph: bound pgtemp,upmap,upmapitems length to CEPHPGMAXSIZE decodepgtemp decodes an user-controlled length but only rejects values large enough to overflow the allocation; it does not bound it to CEPHPGMAXSIZE. The helper back...

CVE-2026-68158

In the Linux kernel, the following vulnerability has been resolved: libceph: Fix multiplication overflow in decodenewupstateweight If a message of type CEPHMSGOSDMAP contains a maliciously corrupted osdmap, out-of-bounds memory accesses may occur in decodenewupstateweight. This happens because th...

CVE-2026-68157 libceph: guard missing CRUSH type name lookup

In the Linux kernel, the following vulnerability has been resolved: libceph: guard missing CRUSH type name lookup Localized read selection can walk a parent bucket whose name exists in the CRUSH map while its type has no matching entry in typenames. getimmediateparent then dereferences a NULL...

CVE-2026-68157

In the Linux kernel, the following vulnerability has been resolved: libceph: guard missing CRUSH type name lookup Localized read selection can walk a parent bucket whose name exists in the CRUSH map while its type has no matching entry in typenames. getimmediateparent then dereferences a NULL...

EUVD-2026-55543

In the Linux kernel, the following vulnerability has been resolved: libceph: guard missing CRUSH type name lookup Localized read selection can walk a parent bucket whose name exists in the CRUSH map while its type has no matching entry in typenames. getimmediateparent then dereferences a NULL...

CVE-2026-68156

In the Linux kernel, the following vulnerability has been resolved: libceph: refresh auth-authorizerbuf,len after authorizer update cephxcreateauthorizer caches au-buf-vec.iovbase and au-buf-vec.iovlen in struct cephauthhandshake. These cached values are then used by the messenger connect code wh...

CVE-2026-68156

The CVE concerns the Linux kernel’s libceph integration. The issue arises in ceph_x_update_authorizer(): when a newer service ticket triggers a rebuild of the authorizer, the code may allocate a new buffer but fail to refresh the cached pointers in auth->authorizer_buf and auth->authorizer_...

EUVD-2026-55542

In the Linux kernel, the following vulnerability has been resolved: libceph: refresh auth-authorizerbuf,len after authorizer update cephxcreateauthorizer caches au-buf-vec.iovbase and au-buf-vec.iovlen in struct cephauthhandshake. These cached values are then used by the messenger connect code wh...