UBUNTU-CVE-2026-72383

In the Linux kernel, the following vulnerability has been resolved: sctp: fix addrwqtimer race in sctpfreeaddrwq sctpfreeaddrwq previously removed addrwqtimer using timerdelete while holding addrwqlock. However, timerdelete does not guarantee that a currently running timer handler has completed...

UBUNTU-CVE-2026-72386

In the Linux kernel, the following vulnerability has been resolved: drm/panthor: Fix a leak when a group is evicted before the tiler OOM is serviced A group ref is tied to the pending tileroomwork, so we need to release it if the cancel was effective...

UBUNTU-CVE-2026-74350

In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate fast symlink target during inode read ocfs2validateinodeblock already rejects several inconsistent self-contained dinodes before they are exposed to the rest of the filesystem. Fast symlinks need the same treatmen...

UBUNTU-CVE-2026-74310

In the Linux kernel, the following vulnerability has been resolved: vhost/net: complete zerocopy ubufs only once vhost-net initializes one ubufinfo per outstanding zerocopy TX descriptor and hands it to the backend socket. The networking stack may then clone a zerocopy skb before all skb referenc...

UBUNTU-CVE-2026-74425

In the Linux kernel, the following vulnerability has been resolved: afs: handle CB.InitCallBackState3 requests without a server record The cache manager callback path now attaches the server record to an incoming call through the rxrpc peer's app data. That association is not guaranteed to exist...

UBUNTU-CVE-2026-72456

In the Linux kernel, the following vulnerability has been resolved: apparmor: release exe file resources on path failure getcurrentexepath takes both an exefile reference and a path reference before resolving the path name. If aapathname failed, it returned immediately and leaked both references...

UBUNTU-CVE-2026-72389

In the Linux kernel, the following vulnerability has been resolved: bridge: stp: Fix a potential use-after-free when deleting a bridge The three STP timers are not supposed to be armed while the bridge is administratively down. They are synchronously deactivated when the bridge is put...

UBUNTU-CVE-2026-72376

In the Linux kernel, the following vulnerability has been resolved: afs: Fix misplaced inc of net-cellsoutstanding Fix net-cellsoutstanding being incremented before the check for failure of idralloccyclic, leaving the count incremented on error...

UBUNTU-CVE-2026-74363

In the Linux kernel, the following vulnerability has been resolved: bpf: fix UAF by restoring RCU-delayed inode freeing in bpffs commit 4f375ade6aa9 "bpf: Avoid RCU context warning when unpinning htab with internal structs" moved inode cleanup from -freeinode into -destroyinode to avoid sleeping ...

UBUNTU-CVE-2026-72398

In the Linux kernel, the following vulnerability has been resolved: sctp: add INIT verification after cookie unpacking In SCTP handshake, the INIT chunk is initially processed by the server and embedded into the cookie carried in INIT-ACK. The client then returns this cookie via COOKIE-ECHO, wher...

UBUNTU-CVE-2026-74422

In the Linux kernel, the following vulnerability has been resolved: drm/rockchip: inno-hdmi: Switch to drmmkzalloc Driver makes use of drmmencoderinit to initialize the encoder and automatically handle the cleanup by registering drmencodercleanup with drmmaddaction. However, the internal structur...

UBUNTU-CVE-2026-74312

In the Linux kernel, the following vulnerability has been resolved: vhost/vdpa: validate virtqueue index in mmap and fault paths vhostvdpammap and vhostvdpafault use vma-vmpgoff as a virtqueue index for getvqnotification, but they do not validate that the index is smaller than v-nvqs. The ioctl...

UBUNTU-CVE-2026-74328

In the Linux kernel, the following vulnerability has been resolved: iommufd: Destroy the pages content after detaching from dmabuf Sashiko points out this has gotten out of order, the mutex could still be in use through the dmabuf invalidation callbacks. Don't destroy any of the pages content unt...

UBUNTU-CVE-2026-72318

In the Linux kernel, the following vulnerability has been resolved: cifs: validate DFS referral string offsets parsedfsreferrals validates that the response header and referral array fit in the received buffer, but each referral also contains string offsets supplied by the server. Those offsets a...

UBUNTU-CVE-2026-74410

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: fix OOB read from firmware RX descriptor exceeding DMA buffer In rtwpcirxnapi, newlen is computed as the sum of pktlen 14-bit descriptor field, max 16383 and pktoffset drvinfosz + shift, both firmware-controlled. The...

UBUNTU-CVE-2026-74344

In the Linux kernel, the following vulnerability has been resolved: bpf: Clear rb node linkage when freeing bpfrbroot bpfrbrootfree detaches the root by copying the current rbrootcached and then replacing the live root with RBROOTCACHED. It then walks the copied root and drops each object contain...

UBUNTU-CVE-2026-74278

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: Fix kernel heap address leak in bounceerrorevent The comment above bounceerrorevent documents that user clients should receive SNDRVSEQEVENTBOUNCE with the original event embedded as variable-length data, while kernel...

UBUNTU-CVE-2026-74294

In the Linux kernel, the following vulnerability has been resolved: ASoC: meson: aiu: Validate written enum values The AIU HDMI and internal codec mux put callbacks use the written enum value with sndsocenumitemtoval before checking whether the value is valid for the enumeration. Reject...

UBUNTU-CVE-2026-74327

In the Linux kernel, the following vulnerability has been resolved: vmalloc: fix NULL pointer dereference in isvmareahugepages findvmarea can return NULL if the given address is not a valid vmalloc area. Check the return value before dereferencing it to avoid a kernel crash...

UBUNTU-CVE-2026-74341

In the Linux kernel, the following vulnerability has been resolved: wifi: wcn36xx: fix heap overflow from oversized firmware HAL response The firmware response dispatcher copies all synchronous HAL responses into the 4096-byte halbuf without validating the response length. A response exceeding...