CVE-2026-98996

In the Linux kernel, the following vulnerability has been resolved: fs: don't silently unmount busy mounts The propagatemountbusy helper exists to decide whether a synchronous can suceed. It does that by looking at the copies of the victims in the mounts its parent propagates to. One of those...

UBUNTU-CVE-2026-99033

In the Linux kernel, the following vulnerability has been resolved: net/packet: guard the ll header push in packetrcvspkt packetrcvspkt restores the link layer header with skbpushskb, skb-data - skbmacheaderskb; That subtraction is only meaningful when the device actually has a link layer header...

CVE-2026-98925

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix self-redirect copiedseq double-counting When a BPF streamverdict program redirects an skb back to the same socket self-redirect with BPFFINGRESS, skpsockverdictapply calls tcpeatskb which advances tcpsk-copiedse...

UBUNTU-CVE-2026-98970

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: Free the BO cache size list on teardown vc4bocachedestroy purges the cached BOs but never frees the size list, leaking it on every unbind...

UBUNTU-CVE-2026-99072

In the Linux kernel, the following vulnerability has been resolved: ipv4: stop route notification sizing when nexthop group shrinks Commit 680aea08e78c "net: ipv4: Emit notification when fib hardware flags are changed" added an RCU-only fibnlmsgsize call for asynchronous hardware flag...

UBUNTU-CVE-2026-99057

In the Linux kernel, the following vulnerability has been resolved: xen/netfront: don't leak the skb when xennetfillfrags fails When a response chain has more slots than fit in the skb's frags, xennetfillfrags returns an error and xennetpoll jumps to its error path. That path moves what's left on...

UBUNTU-CVE-2026-99043

In the Linux kernel, the following vulnerability has been resolved: ice: fix metadatadst refcount handling on representor teardown iceeswitchreleaserepr uses metadatadstfree to release the representor's metadatadst. metadatadstfree directly frees the underlying memory without checking the dstentr...

UBUNTU-CVE-2026-98931

In the Linux kernel, the following vulnerability has been resolved: mtd: spinand: fix NULL pointer dereference with no ECC engine When "nand-no-ecc-engine" is set in DT, nanddevgeteccengine takes the NANDECCENGINETYPENONE path and returns success while leaving nand-ecc.engine NULL. The SPI-NAND...

UBUNTU-CVE-2026-99014

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Fix command skb lifetime during scan setup During PA sync scan setup, hcilesetextscanparamsync gets the address used for the PALINK lookup from hcisentcmddata. The returned pointer borrows storage from sentcmd...

UBUNTU-CVE-2026-98971

In the Linux kernel, the following vulnerability has been resolved: gpio: exar: initialize the ID before registering its cleanup devmaddactionorreset invokes the cleanup action immediately when registering the action fails. gpioexarprobe currently stores the allocated ID in exargpio only after...

UBUNTU-CVE-2026-98934

In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: use skbgethashnet in seg6makeflowlabel Since commit d58e468b1112 "flowdissector: implements flow dissector BPF hook" skbflowdissect needs a net pointer, either from skb-dev, skb-sk, or since commit 3cbf4ffba5ee "net:...

UBUNTU-CVE-2026-98972

In the Linux kernel, the following vulnerability has been resolved: cgroup/cpuset: Don't access cpusetcgrpsubsys.root in isinv2mode After seeing the patch 1 to guard isinv2mode with RCU, it makes me realize that isinv2mode may be called in a context where a new cgroup filesystem is being rebound...

UBUNTU-CVE-2026-98995

In the Linux kernel, the following vulnerability has been resolved: namespace: reset the old parent's -overmount in mntchangemountpoint umountmnt resets -overmount of the parent when it unmounts the mount that overmounts it. mntchangemountpoint doesn't. It moves the mount to its new parent and...

UBUNTU-CVE-2026-98981

In the Linux kernel, the following vulnerability has been resolved: namespace: unhash a dentry before detaching the mounts on it unlink, rmdir and rename remove the entry from the filesystem, call detachmounts on the entry with the inode locked and then call ddelete once the inode is unlocked. Th...

CVE-2026-99042

In the Linux kernel, the following vulnerability has been resolved: iouring/net: populate CONNECT filter fields for 24-byte sockaddrin6 ioconnectbpfpopulate fills connect.port and connect.v6addr for AFINET6 only when addrlen = sizeofstruct sockaddrin6, i.e. 28 bytes. The IPv6 connect paths accept...

UBUNTU-CVE-2026-99011

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SCO: serialise scoconn lifetime against scorecvscodata scorecvscodata upgrades the weak hcon-scodata back-pointer to a strong reference under hdev-lock: hcidevlockhdev; hcon = hciconnhashlookuphandlehdev, handle;...

CVE-2026-99032

In the Linux kernel, the following vulnerability has been resolved: net/smc: protect clcsock lifetime in smcgetname smcgetname dereferences smc-clcsock without holding clcsockreleaselock. Link-group termination can release the CLC socket through smccloseactiveabort while the SMC socket is still...

UBUNTU-CVE-2026-98963

In the Linux kernel, the following vulnerability has been resolved: btrfs: always return -EIOCBQUEUED after btrfsuringreadextentendio If all bios finish before btrfsencodedreadregularfillpages returns, it calls btrfsuringreadextentendio and previously returned the I/O status. A negative errno the...

UBUNTU-CVE-2026-99059

In the Linux kernel, the following vulnerability has been resolved: wireguard: noise: reject response consumption after intermediate initiation Two threads begin processing the identical response message, received twice. The first thread, A, runs. While it's running, the second one, B, gets partw...

UBUNTU-CVE-2026-99007

In the Linux kernel, the following vulnerability has been resolved: drm/fb-helper: defer setup when fbdevprobe fails, not just on -EAGAIN drmfbhelperinitialconfigandunlock calls drmclientmodesetprobe first, which already fills in each modeset-mode/numconnectors for every connected output, and onl...