CVE-2026-98939

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Drop unnecessary PMD page copy when freeing On a box with a discrete GPU, lockdep reports a possible deadlock as soon as kswapd shrinks the TTM page pool. The immediate cause is an x86 commit that added an mmapreadlock to...

CVE-2026-98942

In the Linux kernel, the following vulnerability has been resolved: schedext: Build the cid tables privately and publish them with RCU The cid tables are visible to the cid kfuncs while being modified: the first enable publishes the global pointers before filling them, ops.initcids overrides...

CVE-2026-99068

In the Linux kernel, the following vulnerability has been resolved: ALSA: ctxfi: Fix memory leakage when clearing DAO input mappers Commit e576e7843c0d "ALSA: ctxfi: Simplify daoclearleft,rightinput functions" centralized the DAO input mapper clearing logic in daoclearinput, but omitted the kfree...

CVE-2026-99076

In the Linux kernel, the following vulnerability has been resolved: ipv6: udp: Create exceptions before socket matching Currently, when ICMPv6 Packet Too Big and Redirect Message packets are locally delivered and quote a UDP packet, an exception is only created in the IPv6 exception cache if the...

CVE-2026-98975

In the Linux kernel, the following vulnerability has been resolved: xfs: stop exchanging reflink flags when exchanging mappings When an exchange covers both files from offset 0 to idisksize, xmicanexchangereflinkflags assumes every mapping moved and hands the reflink flag over to the other file...

CVE-2026-98958

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: account non-AQL frames per peer rather than per link The driver increments wcid-nonaqlpackets when a frame goes to the hardware queue. The completion path decrements the counter again. For an MLO peer, the hardware...

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...

CVE-2026-99027

In the Linux kernel, the following vulnerability has been resolved: net: team: stop reusing skb after queue override A nonzero devqueuexmit result does not return ownership of the skb. When an override port's qdisc drops it, the queue override helper used to try another port or the mode transmit ...

CVE-2026-98994

In the Linux kernel, the following vulnerability has been resolved: statmount: read the parent of an unmounted mount under mountlock statmountmntbasic reads the ids of the parent through m-mntparent with namespacesem held for reading. That's fine for a mount that is in a namespace. Everything abo...

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-2026-98942

In the Linux kernel, the following vulnerability has been resolved: schedext: Build the cid tables privately and publish them with RCU The cid tables are visible to the cid kfuncs while being modified: the first enable publishes the global pointers before filling them, ops.initcids overrides...

UBUNTU-CVE-2026-98966

In the Linux kernel, the following vulnerability has been resolved: bonding: fix the program leak when XDP is replaced We need to release the reference on the old BPF prog, whether we are going to no-prog, or replacing the prog with another. Spotted by AI while running tests for the propagation...

UBUNTU-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...

CVE-2026-99024

In the Linux kernel, the following vulnerability has been resolved: optee: register TEE devices only once fully initialized opteeprobe called teedeviceregister on both the client and the supplicant device before the rest of struct optee had been initialized. teedeviceregister calls cdevdeviceadd,...

UBUNTU-CVE-2026-99070

In the Linux kernel, the following vulnerability has been resolved: ipv6: do not warn on route notification size race fib6infohwflagsset sizes the skb with rt6nlmsgsize and later fills it with rt6fillnode. With nexthop compatibility mode enabled, a concurrent replacement can grow the group betwee...

UBUNTU-CVE-2026-98969

In the Linux kernel, the following vulnerability has been resolved: net/sched: emtext: reject unterminated algo before autoload This is a follow-up to commit 9c572a83037a "net/sched: fix potential stack infoleak in emtextdump", which zero-initialised the dump-side struct. Sashiko pointed at a...

UBUNTU-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...

UBUNTU-CVE-2026-99073

In the Linux kernel, the following vulnerability has been resolved: ipv4: stop exception dump when nexthop group shrinks Commit 4ce5dc9316de "inet: switch inetdumpfib to RCU protection" allowed IPv4 FIB dumps to run concurrently with nexthop replacement. fibdumpinfofnhe uses fibinfonumpath as the...

UBUNTU-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...

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...