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...

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...

UBUNTU-CVE-2026-99062

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: account only unread bytes in readskb After a partial stream receive, rxbytes tracks the unread suffix while bufused and peer credit still cover the whole packet. virtiotransportreadskb dequeues that packet but passe...

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-2026-99008

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: Fix NULL ttydev dereference in rfcommdevshutdown syzbot hit a NULL pointer dereference in rfcommdevshutdown when an RFCOMM tty is closed. rfcommdevadd puts the new device on rfcommdevlist first and only then...

UBUNTU-CVE-2026-99035

In the Linux kernel, the following vulnerability has been resolved: mmc: mtk-sd: Cancel request timeout work on remove The driver queues reqtimeout while a request is active. msdcrequestdone uses canceldelayedwork, which does not wait for a timeout callback that has already started. The timeout...

UBUNTU-CVE-2026-98997

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/userq: only accept doorbell BOs as queue doorbell amdgpuuserqgetdoorbellindex pins any BO passed as doorbellhandle into the doorbell domain. For a regular BO, TTM moves it with ttmbomovenull and its contents are lost...

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-2026-98993

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-2026-98953

In the Linux kernel, the following vulnerability has been resolved: devlink: fix devlinkrel reference leak when notify work is pending devlinkrelnestedinnotifyworkschedule takes a reference on the devlinkrel for the notify work and then queues the work, ignoring the return value of...

UBUNTU-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...

UBUNTU-CVE-2026-98935

In the Linux kernel, the following vulnerability has been resolved: rtc: dev: zero-initialize struct rtcwkalrm to prevent information leak The struct rtcwkalrm has padding holes after the 'pending' member. When returned to userspace via the RTCWKALRMRD ioctl, uninitialized kernel stack data...

UBUNTU-CVE-2026-99003

In the Linux kernel, the following vulnerability has been resolved: drm/panthor: validate userspace queue count against initialized firmware slot count In panthordrv.c:panthorioctlgroupcreate, the queue count is validated against the hardcoded maximum: if !args-queues.count || args-queues.count...

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-2026-98980

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-2026-99033

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...

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-2026-98999

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Fix stale pinnedlink entry when fb-pin performs the final unpin xebopinexternal and xebounpinexternal maintain the bo's pinnedlink list membership in xe-pinned.late.external, based on whether the current call is the...

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...