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-2026-98977

In the Linux kernel, the following vulnerability has been resolved: namespace: handle mount locking for automounts correctly If mounts are propagated across user namespaces, attachrecursivemnt locks every copy of the source mount to protect overmounts from vanishing and revealing the underlying...

UBUNTU-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...

UBUNTU-CVE-2026-98983

In the Linux kernel, the following vulnerability has been resolved: unshare: don't drop active namespace references that were never taken Active references on the namespaces of an nsproxy are taken when the nsproxy is installed into a task in switchtasknamespaces and copynamespaces and dropped...

UBUNTU-CVE-2026-99022

In the Linux kernel, the following vulnerability has been resolved: regulator: ltc3676: don't read the write-only HRST and CLIRQ registers HRST 0x1e and CLIRQ 0x1f are write-only command strobes. Writing HRST triggers a hard reset of the chip and writing CLIRQ clears the interrupt; reading them...

UBUNTU-CVE-2026-99025

In the Linux kernel, the following vulnerability has been resolved: openvswitch: fix soft lockup in the netlink flow dump A production compute node carrying a few thousand datapath flows hit a soft lockup inside a single netlink flow dump and panicked. ovsflowcmddump calls ovsflowstatsget for eve...

UBUNTU-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 ...

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...

UBUNTU-CVE-2026-99038

In the Linux kernel, the following vulnerability has been resolved: memstick: rtsxusbms: complete requests after eject instead of dropping them memstickcheck can pass its host-removing check just before rtsxusbmsdrvremove sets eject/removing. Its next request is then silently dropped:...

UBUNTU-CVE-2026-99039

In the Linux kernel, the following vulnerability has been resolved: memstick: core: wait for request completion before freeing card In memstickalloccard and memsticksetrwaddr, waitforcompletiontimeout is used to wait for device identification and address configuration requests to complete. The...

UBUNTU-CVE-2026-99021

In the Linux kernel, the following vulnerability has been resolved: regulator: of: fill in supply names in ofregulatorbulkgetall ofregulatorbulkgetall returns an array it allocated itself, and fills in only the consumer of each entry. Every other way of getting a bulk array has the supply name se...

UBUNTU-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-2026-99028

In the Linux kernel, the following vulnerability has been resolved: net: xilinx: axienet: Free outstanding DMA buffers on dmaengine stop In the dmaengine path the driver pre-submits RX buffers and holds in-flight TX buffers whose SKBs are DMA-mapped by the driver and freed only in the completion...

UBUNTU-CVE-2026-99036

In the Linux kernel, the following vulnerability has been resolved: dm: fix reading free memory in doresume When doresume calls dmtablegetmodenewmap, the call is done without holding any locks it only holds a reference to the md. It may be possible that another concurrent ioctl on the same device...

UBUNTU-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...

UBUNTU-CVE-2026-99030

In the Linux kernel, the following vulnerability has been resolved: net: skbuff: don't leave stale bytes in skbcopyandcsumbits When skbcopyandcsumbits reaches unreadable frags it returns 0 after copying only the linear part, and the rest of the caller's buffer is left as it was. The callers copy...

UBUNTU-CVE-2026-98938

In the Linux kernel, the following vulnerability has been resolved: rust: irq: pass RegistrationInner as cookie to requestirq With commit ba268514ea14 "rust: devres: fix race condition due to nesting", Devres::new returns Result by value instead of initializing in-place via PinInit. Because...

UBUNTU-CVE-2026-98993

In the Linux kernel, the following vulnerability has been resolved: namespace: don't inherit MNTUMOUNT in clonemnt MNTUMOUNT gets raised on a mount that umounttree or umountone has taken out of its namespace. It's never cleared. detachmounts unhooks a mount that carries it instead of unmounting i...

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-2026-98980

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...