UBUNTU-CVE-2026-90358

In the Linux kernel, the following vulnerability has been resolved: bpf, x86: Fix trampoline stack size for 128-bit arguments btfdistillfuncproto accepts a function argument up to 16 bytes, so a 128-bit scalar such as int128 reaches the x86 trampoline with argsize == 16. But the current...

UBUNTU-CVE-2026-90349

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: fix out-of-bounds link array access in mt7996tx When mac80211 leaves the link unspecified, mt7996tx substitutes the primary link id of the station or vif. That value is IEEE80211LINKUNSPECIFIED 0xf until the...

UBUNTU-CVE-2026-90340

In the Linux kernel, the following vulnerability has been resolved: pinctrl: generic: free maps on pinctrlgenerictomap failure pinctrlgenerictomap parses DT configuration and allocates pinctrl maps via pinctrlutilsreservemap. If subsequent steps such as pinctrlutilsaddmapmux,...

UBUNTU-CVE-2026-90300

In the Linux kernel, the following vulnerability has been resolved: bpf: Clear buf on error in bpfgettaskstack Both bpfgettaskstack and bpfgettaskstacksleepable helpers that use bpfgettaskstack have buf defined as ARGPTRTOUNINITMEM argument and we should initialize the buf on every return path...

UBUNTU-CVE-2026-90184

In the Linux kernel, the following vulnerability has been resolved: nullblk: serialize configfs attribute updates with device setup The attribute store methods generated with NULLBDEVICEATTR refuse to change the configuration of a live device by testing NULLBDEVFLCONFIGURED, but that flag is only...

UBUNTU-CVE-2026-90414

In the Linux kernel, the following vulnerability has been resolved: IB/isert: reject PDUs declaring more data than was received isertrecvdone hands each received PDU to the opcode handlers without ever looking at wc-bytelen, the number of bytes the HCA actually placed in the receive descriptor. T...

UBUNTU-CVE-2026-93044

In the Linux kernel, the following vulnerability has been resolved: bpf: Disallow interpreter fallback for arena-related insns Since the interpreter does not support the arena-related insns, interpreter fallback should not be allowed for these insns in core.c::bpfprogselectruntime. Currently, whe...

UBUNTU-CVE-2026-90098

In the Linux kernel, the following vulnerability has been resolved: net: sparx5: fix sleep in atomic context in MAC table access sparx5setrxmode runs with netifaddrlockbh held and iterates dev-mc via devmcsync, which per address calls sparx5mcsync / sparx5mcunsync - sparx5mactlearn /...

UBUNTU-CVE-2026-92497

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: Avoid buffer overread in ath12kwmioprx Currently, in ath12kwmioprx, the firmware buffer is read without first verifying that the buffer has enough data to hold a header. This could result in a buffer overread. Updat...

UBUNTU-CVE-2026-90186

In the Linux kernel, the following vulnerability has been resolved: nullblk: reject per-device queue resize for shared tag set When sharedtags is enabled, nullsetuptagset makes the device use the global tagset, whose driverdata stays NULL. nullmapqueues therefore falls back to the module-wide...

CVE-2026-90264

In the Linux kernel, the following vulnerability has been resolved: btrfs: always wait for ordered extents to avoid OE races BUG Syzbot reported a bug that there can be conflicting OEs for the same range: BTRFS critical device loop4: panic in insertorderedextent:264: overlapping ordered extents,...

CVE-2026-93058

In the Linux kernel, the following vulnerability has been resolved: drm/msm: Only fini scheduler after successful init msmringbuffernew destroys a partially initialized ring through msmringbufferdestroy when an allocation or scheduler setup step fails. If drmschedinit fails before it finishes...

UBUNTU-CVE-2026-90220

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: Don't leak the extension cell pointer in the bounce payload The bounceerrorevent embeds the failed event in the bounce payload by pointing data.ext.ptr at it. When that event is a queued variable-length event, its own...

UBUNTU-CVE-2026-90221

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: fix use of uninitialized memory in COREINITRSP parsing ncicoreinitrsppacketv1 and ncicoreinitrsppacketv2 parse the COREINITRSP packet without validating that the skb contains enough data. A malformed response e.g...

UBUNTU-CVE-2026-90162

In the Linux kernel, the following vulnerability has been resolved: ksmbd: defer publishing granted locks to prevent UAF/double-free race In smb2lock, mid-batch granted locks are published to connection-wide conn-locklist and file-wide fp-locklist lists immediately upon vfslockfile success, while...

UBUNTU-CVE-2026-90147

In the Linux kernel, the following vulnerability has been resolved: clk: devres: fix cleanup in devmclkgetoptionalenabledwithrate devmclkgetoptionalenabledwithrate registers its cleanup action before setting the clock rate. If setting the rate fails, it attempts to disable and unprepare a clock...

UBUNTU-CVE-2026-90107

In the Linux kernel, the following vulnerability has been resolved: net/smc: free pending qentry in smcllcflowstop before memset smcllcflowstop resets a flow struct with a blind memset: spinlockbh&lgr-llcflowlock; memsetflow, 0, sizeofflow; flow-type = SMCLLCFLOWNONE; spinunlockbh&lgr-llcflowlock...

UBUNTU-CVE-2026-90158

In the Linux kernel, the following vulnerability has been resolved: m68k: nfcon: Do not call consoleisregistered in nfcondevice Since 7c2af0f634f1 "tty: ttyio: use consolelistlock for list synchronization" showconsactive calls the .device method under the consolelistlock, but consoleisregistered...

UBUNTU-CVE-2026-90257

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: virtiobt: avoid OOB read of build info string The virtbtsetupzephyr sends the Zephyr vendor command 0xfc08 Read Build Information and hands the response to btdevinfo and hcisetfwinfo as a "%s" string starting at skb-da...

UBUNTU-CVE-2026-90403

In the Linux kernel, the following vulnerability has been resolved: wifi: rtlwifi: pci: fix error path in rtlpciprobe In the last error path in rtlpciprobe, the cleanup functions are skipped due to a wrong goto label. Moreover, the successful call to rtlinitrfkill, ieee80211registerhw,...