UBUNTU-CVE-2026-89663

In the Linux kernel, the following vulnerability has been resolved: nfsd: revoke copy-notify stateids before dropping their reference Copy-notify stateids live in the s2scpstateids IDR and on their parent stid's sccplist, pinned by a single membership reference. freecpntfstatelocked only unlinks ...

UBUNTU-CVE-2026-89708

In the Linux kernel, the following vulnerability has been resolved: nfsd: RCU-protect clcbsession to fix use-after-free on session teardown After a DESTROYSESSION the per-session teardown path can free a session while rpciod still holds an inflight callback rpctask that dereferences...

UBUNTU-CVE-2026-89441

In the Linux kernel, the following vulnerability has been resolved: mmc: via-sdmmc: cancel card-detect work on remove Disabling the device interrupt and freeing the IRQ prevents new card-detect work from being queued, but carddetwork already queued by the handler can still run after viasdremove...

UBUNTU-CVE-2026-89517

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix rq-corepick corruption under core scheduling Core scheduling's picknexttask picks what to run on every SMT sibling of the core in a single pass under the shared core-wide rq lock. The selection state is consistent...

UBUNTU-CVE-2026-80979

In the Linux kernel, the following vulnerability has been resolved: net/smc: unregister the connection before draining the rx tasklet smcconnfree calls smcismunsetconn only while the link group is still on its device list, and never sets conn-killed. smclgrterminatesched unlinks the group...

UBUNTU-CVE-2026-89508

In the Linux kernel, the following vulnerability has been resolved: RDMA/ucma: Lock the handler in ucmasetibpath ucmasetibpath calls ucmaeventhandler straight from the write path, without the handler lock that keeps ctx-file stable while a uevent is queued. The handler re-reads ctx-file for every...

UBUNTU-CVE-2026-80997

In the Linux kernel, the following vulnerability has been resolved: net: ipa: fix stalled modem TX queue after runtime resume ipastartxmit unconditionally stops the TX queue before calling pmruntimeget, relying on the wake scheduled by runtime resume ipamodemwakequeuework to restart it once power...

UBUNTU-CVE-2026-89521

In the Linux kernel, the following vulnerability has been resolved: sched/core: Handle picktask releasing the rq lock Core scheduling's picknexttask breaks when a -picktask implementation can release the rq lock. The selection state derived on entry is only valid while the lock is held...

UBUNTU-CVE-2026-80989

In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: Mark the connection down when bringing it up fails Every failure path in tbnetconnectedwork undoes its own work and returns without clearing loginsent, so the connection still looks established. The next...

UBUNTU-CVE-2026-89548

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: always drain cachecleaner before destroying a cachedetail sunrpcdestroycachedetail only cancels the global cachecleaner delayedwork when cachelist is empty. During per-netns teardown cachelist is never empty because...

UBUNTU-CVE-2026-89578

In the Linux kernel, the following vulnerability has been resolved: dm-io: clone the source bio instead of copying its biovec For DMIOBIO requests, doregion built each destination bio by walking the source bio's biovec and re-adding the pages one at a time, tracking the remaining transfer in...

CVE-2026-89542

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: harden gsskrb5unwrapv2 against short tokens gsskrb5unwrapv2 reads the EC and RRC header fields at ptr+4 and ptr+6 before validating that the token is at least GSSKRB5TOKHDRLEN 16 bytes long, and its rotateleft helper pass...

CVE-2026-89652

In the Linux kernel, the following vulnerability has been resolved: ceph: bound copied dentry name length in NFS export getname cephgetname copies the MDS-supplied name into the caller's NAMEMAX-sized buffer with memcpyname, rinfo-dname, rinfo-dnamelen and then writes namerinfo-dnamelen = 0,...

CVE-2026-89580

In the Linux kernel, the following vulnerability has been resolved: bpf: Disable preemption in bpfgetstack getperfcallchain returns a per-CPU perfcallchainentry buffer and releases its recursion slot via putcallchainentry before returning, so nothing keeps the entry reserved while bpfgetstack...

CVE-2026-89490

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix readdir position truncation on 32-bit kernels In ocfs2dirforeachblkel, the directory cookie position is rebuilt with ctx-pos = ctx-pos & sb-sblocksize - 1 | offset; ctx-pos is lofft signed 64-bit, while sb-sblocksize i...

CVE-2026-89508

In the Linux kernel, the following vulnerability has been resolved: RDMA/ucma: Lock the handler in ucmasetibpath ucmasetibpath calls ucmaeventhandler straight from the write path, without the handler lock that keeps ctx-file stable while a uevent is queued. The handler re-reads ctx-file for every...

CVE-2026-89540

In the Linux kernel, the following vulnerability has been resolved: sunrpc: init gssplock before publishing proc entry createusegssproxyprocentry publishes /proc/net/rpc/use-gss-proxy via proccreatedata before initgsspclnt runs mutexinit on sn-gssplock. Once the dentry is linked under...

CVE-2026-89548

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: always drain cachecleaner before destroying a cachedetail sunrpcdestroycachedetail only cancels the global cachecleaner delayedwork when cachelist is empty. During per-netns teardown cachelist is never empty because...

DEBIAN-CVE-2026-80934

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: fix TX DMA mapping leak for AddBA req frames mt7996/mt7992 hand the firmware a HW MAC-TXP for AddBA req action frames MTTXD7MACTXD, set in mt7996macwritetxwi80211, but are otherwise FW-TXP devices. On tx free...

CVE-2026-80934

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: fix TX DMA mapping leak for AddBA req frames mt7996/mt7992 hand the firmware a HW MAC-TXP for AddBA req action frames MTTXD7MACTXD, set in mt7996macwritetxwi80211, but are otherwise FW-TXP devices. On tx free...