CVE-2026-98980

In the Linux kernel, the following vulnerability has been resolved: namei: don't reveal overmounted entries in refwalk In rcuwalk the dentry is validated before it is accepted. stepinto stepinto rechecks dseq and followmountrcu rechecks mountlock. An entry that gets unlinked in between causes the...

CVE-2026-99055

In the Linux kernel, the following vulnerability has been resolved: tcp: reject netiov in zerocopy receive mapping hints After copying a readable prefix, receivefallbacktocopy asks tcpzerocopysethintforskb where page mapping can resume. If the next skb is unreadable, findnextmappablefrag passes i...

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...

CVE-2026-98968

In the Linux kernel, the following vulnerability has been resolved: amt: send the relay's General Query directly from the receive path An skb queued in a qdisc can outlive the tunnel it references through a raw pointer in skb-cb. For example, with igmpqrv set to 1 on the relay a tunnel lives for...

CVE-2026-98948

In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrumflower: Fix port range register leak in tmpltcreate mlxswspflowertmpltcreate parses a flowclsoffload template into a stack-local struct mlxswspaclruleinfo purely to compute rulei.values.elusage. Parsing can acquire...

UBUNTU-CVE-2026-98948

In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrumflower: Fix port range register leak in tmpltcreate mlxswspflowertmpltcreate parses a flowclsoffload template into a stack-local struct mlxswspaclruleinfo purely to compute rulei.values.elusage. Parsing can acquire...

CVE-2026-99031

In the Linux kernel, the following vulnerability has been resolved: net: bridge: avoid recursive multicast port cleanup brmulticastsgdelexcludeports removes automatically added STAREXCL port groups by calling brmulticastdelpg. For S,G entries, that deletion calls back into...

CVE-2026-99063

In the Linux kernel, the following vulnerability has been resolved: dm ioctl: don't let datastart run past the buffer struct dmioctl has seven bytes of trailing padding, so the smallest buffer userspace is allowed to ask for, offsetofstruct dmioctl, data, is seven bytes shorter than sizeofstruct...

CVE-2026-98947

In the Linux kernel, the following vulnerability has been resolved: vsock: Fix memory leak in vmcitransportrecvdgramcb During the closure of a datagram socket, the vmcitransportrecvdgramcb function may be called, which will add the packets to the socket's backlog; then, after the receive queue is...

CVE-2026-99049

In the Linux kernel, the following vulnerability has been resolved: gpio: xilinx: fix runtime PM leak on request error path pmruntimegetsync leaves the usage counter incremented even when it fails, and xgpiorequest returns the error without dropping it. gpiolib does not call -free when -request...

CVE-2026-99071

In the Linux kernel, the following vulnerability has been resolved: ipv4: do not warn on route notification size race Commit 680aea08e78c "net: ipv4: Emit notification when fib hardware flags are changed" added asynchronous route notifications for hardware flag changes. fibaliashwflagsset sizes t...

CVE-2026-98982

In the Linux kernel, the following vulnerability has been resolved: namespace: don't let a pseudo dentry become the root of a mount dallocpseudo hands out dentries for pipes, sockets and other files that are never anyone's child or parent. They carry DCACHENORCU and dentryfree frees them right aw...

CVE-2026-98950

In the Linux kernel, the following vulnerability has been resolved: flowdissector: avoid u16 truncation of hlen in bpfflowdissect bpfflowdissect sanitizes the offsets returned by the BPF program with clamptu16, ..., hlen. If hlen is bigger than 65535, the upper bound is truncated before the...

CVE-2026-98967

In the Linux kernel, the following vulnerability has been resolved: cxgb4/chktls: disable softirqs around tidlist erases chcrktlscplactopenrpl inserts into tidlist from the receive path using xainsertbh. The array is shared by the adapter's connections and initialized with XAFLAGSLOCKBH. However,...

UBUNTU-CVE-2026-98976

In the Linux kernel, the following vulnerability has been resolved: namespace: keep the lock on a mount that a propagated copy is moved beneath attachrecursivemnt transfers MNTLOCKED from the top mount to the mount that is moved beneath it with MOVEMOUNTBENEATH. This allows the owner of a user...

UBUNTU-CVE-2026-99052

In the Linux kernel, the following vulnerability has been resolved: selinux: preserve NATIVELABELS on already-initialized sb in setmntopts When an NFSv4 filesystem exported with securitylabel is mounted a second time, sgetfc returns the existing superblock and nfsgetroot calls securitysbsetmntopt...

CVE-2026-99052

In the Linux kernel, the following vulnerability has been resolved: selinux: preserve NATIVELABELS on already-initialized sb in setmntopts When an NFSv4 filesystem exported with securitylabel is mounted a second time, sgetfc returns the existing superblock and nfsgetroot calls securitysbsetmntopt...

CVE-2026-99053

In the Linux kernel, the following vulnerability has been resolved: tipc: hold a reference to nodes found by link name tipcnodefindbyname returns a node after dropping its RCU read lock without taking a reference. The LINKSET, LINKGET and LINKRESETSTATS handlers then lock and access the node,...

CVE-2026-98965

In the Linux kernel, the following vulnerability has been resolved: ice: Restore Ordered MMIO Writes for Tx Doorbells The DQL accounting state which tracks the number of bytes queued for the NIC to transmit, namely dql-numqueued, is updated by the ICE driver when it invokes netdevtxsentqueue...

UBUNTU-CVE-2026-99084

In the Linux kernel, the following vulnerability has been resolved: readdir: take no inode lock on an immutable directory iteratedir takes the directory's irwsem shared and holds it across -iterateshared. For a directory that never has an entry and is never removed the lock keeps nothing still, i...