kernel: net: sched: UAF via missing handler for TC_ACT_CONSUMED in tcf_qevent_handle

A flaw was found in the Linux kernel's traffic control TC classifier application programming interface API. The tcfqeventhandle function does not properly handle a consumed socket buffer skb when it is processed by the defragmentation engine. This can lead to a Use-After-Free UAF vulnerability,...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-101968)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-101968 advisory. In the Linux kernel, the following vulnerability has been resolved: net: afkey: initialize algkeylen for IPComp states pfkeymsg2xfrmstate handles the IPComp...

UBUNTU-CVE-2026-72167

In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: pl353: fix probe resource allocation During probe, the devmioremap is called with the parent device instead of the current one. So when the module is unloaded, the register area isn't released. Target the pl35x devi...

UBUNTU-CVE-2026-72460

In the Linux kernel, the following vulnerability has been resolved: apparmor: check label build before nonewprivs test aachangeprofile builds a replacement label with fnlabelbuildinscope before the nonewprivs subset check. The build helper can fail and return NULL or an ERRPTR, but the result was...

UBUNTU-CVE-2026-72183

In the Linux kernel, the following vulnerability has been resolved: landlock: Fix LANDLOCKSCOPESIGNAL bypass on the SIGIO path LANDLOCKSCOPESIGNAL must prevent a sandboxed process from signaling processes outside its Landlock domain. It can be bypassed through the asynchronous SIGIO delivery path...

CVE-2026-74577 net: mpls: initialize rtm_tos in mpls_getroute()

In the Linux kernel, the following vulnerability has been resolved: net: mpls: initialize rtmtos in mplsgetroute mplsgetroute builds the RTMNEWROUTE reply to an RTMGETROUTE request by filling a struct rtmsg allocated from an skb whose data area is not zeroed allocskbNLMSGGOODSIZE, .... It sets...

CVE-2026-74567

In the Linux kernel, the following vulnerability has been resolved: keys: fix out-of-bounds read in keyringgetkeychunk For description-level chunks keyringgetkeychunk advances the read pointer by level sizeoflong past the inline prefix but only bounds-checks the prefix, so a long enough key...

CVE-2026-74539 Bluetooth: ISO: lock sk in iso_sock_getname

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: lock sk in isosockgetname Accessing isopisk-conn requires locksock, which is not held here. Fix by adding the lock/release...

EUVD-2026-59660

In the Linux kernel, the following vulnerability has been resolved: s390/qeth: Check CAPNETADMIN for private ioctls Gate the SIOCDEVPRIVATE ioctl commands SIOCQETHADPSETSNMPCONTROL, SIOCQETHGETCARDTYPE and SIOCQETHQUERYOAT with CAPNETADMIN capable check to ensure unprivileged users cannot invoke...

CVE-2026-74452

In the Linux kernel, the following vulnerability has been resolved: drm/panthor: reject firmware sections with oversized data In panthorfwloadsectionentry, the data size to copy is calculated without validating it against the allocated sectionsize: section-data.size = hdr.data.end - hdr.data.star...

CVE-2026-72457

In the Linux kernel, the following vulnerability has been resolved: apparmor: fail policy unpack on accept2 allocation failure unpackpdb may need to allocate a missing ACCEPT2 table for older policy data. If that allocation failed, it set an error message but jumped to the success path, returning...

CVE-2026-72130

In the Linux kernel, the following vulnerability has been resolved: nvmet-auth: reject short AUTHRECEIVE buffers nvmetexecuteauthreceive trusts the AUTHRECEIVE allocation length after checking only that it is nonzero and matches the transfer length. In the SUCCESS1 and FAILURE1/default states, th...

CVE-2026-74433

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix UAF in rxgkissuechallenge Fix rxgkissuechallenge to free the page containing the challenge content after invoking the tracepoint as the whdr passed to the tracepoint points into the page just freed...

CVE-2026-74428 rxrpc: Fix double unlock in rxrpc_recvmsg()

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix double unlock in rxrpcrecvmsg Fix a double unlock in rxrpcrecvmsg when dealing with OOB messages...

CVE-2026-74402

In the Linux kernel, the following vulnerability has been resolved: crypto: atmel-sha204a - fix blocking and non-blocking rng logic The blocking and non-blocking paths were failing to provide valid entropy due to improper buffer management. Reading the buffer starting from byte 1, only fetch the ...

CVE-2026-74399 evm: terminate and bound the evm_xattrs read buffer

In the Linux kernel, the following vulnerability has been resolved: evm: terminate and bound the evmxattrs read buffer evmreadxattrs allocates size + 1 bytes, fills them from the list of enabled xattrs, and then passes strlentemp to simplereadfrombuffer. When no configured xattrs are enabled, the...

CVE-2026-74353

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: always resumeall after suspendall Need to restore any good queues even if the suspendall failed for some. Always run removequeue as that will schedule a GPU reset is removing the queue fails. v2: move resumeall after...

CVE-2026-74330

In the Linux kernel, the following vulnerability has been resolved: configfs: fix lockless traversals of -schildren Having the parent directory locked protects entries from removal by another thread, but it does not protect cursors from being moved around by lseek - or freed, for that matter...

CVE-2026-74314 bpf: Cancel special fields on map value recycle

In the Linux kernel, the following vulnerability has been resolved: bpf: Cancel special fields on map value recycle Map update and delete paths currently call bpfobjfreefields when a value is being replaced or recycled. That makes field destruction depend on the context of the update/delete...

CVE-2026-74300

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci: validate codec capability element length Read Local Codec Capabilities returns a sequence of capability elements. Each element starts with a one-byte length followed by that many payload bytes...