UBUNTU-CVE-2026-98214

In the Linux kernel, the following vulnerability has been resolved: selinux: recheck intermediate backing files on mprotect mprotect can be used to bypass the SELinux checks that mmap performs against the intermediate layers of a stacked filesystem. mmap checks every backing layer as the request...

UBUNTU-CVE-2026-98243

In the Linux kernel, the following vulnerability has been resolved: dma-buf/dma-fence: fix checking signaling bit for timeline and driver name v3 The patch "dma-buf: dma-fence: Fix potential NULL pointer dereference" changed the check to test for the ops pointer instead of the signaled bit to avo...

UBUNTU-CVE-2026-98336

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: don't offload TC setup on APVLAN interfaces APVLAN interfaces are purely virtual, so don't try to offload TC setup to drivers. We can't really use the AP interface either since we may not know it all the time, and...

UBUNTU-CVE-2026-98266

In the Linux kernel, the following vulnerability has been resolved: ALSA: core: Fix potential UAF after asynchronous card release Usually a sound driver releases the resources assigned to the card via sndcardfree, and it synchronizes with the whole release procedure. However, when the card is...

UBUNTU-CVE-2026-98340

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: only group hidden BSSes with beacon entries When a probe response for an unknown BSS comes in, cfg80211bssupdate looks for an existing entry with the same BSSID and a hidden zero-length or NUL-filled SSID, and if ...

UBUNTU-CVE-2026-98201

In the Linux kernel, the following vulnerability has been resolved: Input: zero ffeffect before compat copy in inputffeffectfromuser In the compat path inputffeffectfromuser aliases the caller's native struct ffeffect with the smaller struct ffeffectcompat and copies only the compat sized prefix:...

UBUNTU-CVE-2026-98194

In the Linux kernel, the following vulnerability has been resolved: wifi: libertastf: fix UAF in lbtffreeadapter lbtffreeadapter calls lbtffreecmdbuffer to free the command buffers before calling timerdeletesync to wait for the command timer callback. If the timer callback commandtimerfn is alrea...

UBUNTU-CVE-2026-98329

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: don't allow injecting frames wider than the chanctx Frames injected on a monitor interface can carry a radiotap field requesting a bandwidth, which mac80211 passes down to the driver regardless of the the actual...

UBUNTU-CVE-2026-98353

In the Linux kernel, the following vulnerability has been resolved: RDMA/erdma: Use IRQ-safe XArray helpers for QP and CQ tables Locked QP and CQ lookups from EQ interrupts can deadlock with create-path XArray updates. If an interrupt arrives while the create path holds the plain xalock, the look...

UBUNTU-CVE-2026-98341

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: don't free driver-owned scan requests When an interface goes down while a scan is running, cfg80211 completes the scan towards userspace and frees the scan request. However, the driver can be convinced that it own...

UBUNTU-CVE-2026-98199

In the Linux kernel, the following vulnerability has been resolved: hwmon: pmbus/core increase number of phases and add new mask Increase the number of phases to 16 as a new upcoming device supports such a number. While at it, add a new mask for controlling the source of the output voltage. Note...

UBUNTU-CVE-2026-98196

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmsmac: fix UAF in brcmsfreetimer brcmsfreetimer calls brcmsdeltimer which uses the non-synchronous canceldelayedwork to cancel the timer's underlying delayed work. If the work callback brcmstimer is already running,...

UBUNTU-CVE-2026-98250

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix handling of NFSEXPPNFS in the netlink codepath The rework of how block layouts were checked moved the check for NFSEXPPNFS out of nfsd4setuplayouttype and into the callers. That patch didn't account for the new call in...

CVE-2026-98369

In the Linux kernel, the following vulnerability has been resolved: xfrm: add missing rcureadlock, skbdstforce and devhold for xfrmtransreinject syzbot reported a suspicious RCU usage warning in ip6pktdrop: WARNING: suspicious RCU usage in ip6pktdrop include/net/addrconf.h:389 suspicious...

UBUNTU-CVE-2026-98334

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: reset state when starting AP fails ieee80211startap can set enablebeacon and beaconint and fail later, leaving it set forever. Scanning can then attempt to restore beaconing on such an interface, leading to: Oops:...

UBUNTU-CVE-2026-98347

In the Linux kernel, the following vulnerability has been resolved: IB/IPoIB: Avoid restoring OPERUP after multicast flush ipoibibdevflushlight temporarily clears IPOIBFLAGOPERUP to prevent multicast joins while ipoibmcastdevflush is running, and restores the flag afterwards if it was previously...

UBUNTU-CVE-2026-98184

In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: prevent authentication frame length truncation mwifiexcfg80211authenticate derives the authentication frame length from req-ielen and req-authdatalen, both of type sizet, but stores it in a u16. NL80211ATTRAUTHDATA...

UBUNTU-CVE-2026-98211

In the Linux kernel, the following vulnerability has been resolved: mmc: mmci: Fix use-after-free in busy-timeout work ux500busycomplete can queue ux500busytimeoutwork for an R1b command, but mmciremove never cancels it. The work can subsequently dereference the devm-allocated mmcihost after it h...

UBUNTU-CVE-2026-98272

In the Linux kernel, the following vulnerability has been resolved: net: mvpp2: prevent buffer overflow in pagepool allocation The per‑processor buffering scheme is supported only if the number of pools nrxqs 2 does not exceed MVPP2BMMAXPOOLS 8. This is already checked in mvpp2probe during the...

UBUNTU-CVE-2026-98306

In the Linux kernel, the following vulnerability has been resolved: seg6: set IPSKBL3SLAVE from IP6SKBL3SLAVE on IPIP decapsulation When an SRv6 packet arrives on an interface enslaved to a VRF, vrfip6rcv sets IP6SKBL3SLAVE in IP6CB, but decapandvalidate has never set IPSKBL3SLAVE in IPCB. The bi...