UBUNTU-CVE-2026-98854

In the Linux kernel, the following vulnerability has been resolved: of/overlay: only treat a positive changeset id as registered ofoverlayfdtapply stores the idralloc return value in ovcs-id before checking it. On failure the stored id is negative, freeoverlaychangeset's "if ovcs-id" check passes...

CVE-2026-98531

In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: enforce exact attribute length for SEG6ATTRDST In seg6genlpolicy, SEG6ATTRDST is defined with .type = NLABINARY and .len = sizeofstruct in6addr. For NLABINARY, .len only enforces the maximum payload length and permits...

CVE-2026-98806

In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: Fix aura BPID assignment when CONFIGDCB is enabled Previously, BPID assignment under CONFIGDCB assumed queuetopfcmap was always initialized. For SDP VFs this leads to invalid memory access as it was not initialized...

CVE-2026-98624

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkqueue: hold nfnl mutex in event notifier We must serialize the release notifier and the config netlink function. A concurrent thread can issue close which can call the release function while unrelated socket...

CVE-2026-98678

In the Linux kernel, the following vulnerability has been resolved: iio: adc: ad4030: fix invalid oversamplingratio validation In ad4030setavgframelen, the logarithm is calculated before input validation. Passing zero or negative values leads to an undefined result from ilog2. Validate that the...

UBUNTU-CVE-2026-98584

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix potential stack infoleak in emtextdump emtextdump allocates struct tcfemtext on the stack without zeroing it. strscpy writes the algorithm name and a NUL terminator into conf.algo, leaving the remaining bytes...

CVE-2026-98613

In the Linux kernel, the following vulnerability has been resolved: bpf: Bound ownership depth through local kptrs and graph roots Program-allocated objects can own other local objects through referenced kptrs. bpfobjfreefields follows those pointers through bpfobjdropimpl synchronously, before t...

CVE-2026-98703

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: minstrelht: validate fixed rate index The fixedrateidx debugfs file is a plain u32 attribute, so any value can be written to it. minstrelhtupdatestats then copies the value into mi-maxtprate and mi-maxprobrate, an...

UBUNTU-CVE-2026-98685

In the Linux kernel, the following vulnerability has been resolved: smb: client: discard post-EOF pagecache when extending a file via clone range cifsremapfilerange discarded the pagecache only for the folios overlapping the destination region, so when a clone extends the file the folio straddlin...

CVE-2026-98650

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix potential races in dat skey functions When datcondsetstoragekey finds a large page, it will conditionally set the storage key in absolute memory using largecrstetophys to get the absolute address. There is a race...

UBUNTU-CVE-2026-98437

In the Linux kernel, the following vulnerability has been resolved: media: qcom: iris: fix runtime PM reference leaks Use pmruntimeresumeandget in irisenablepowerdomains to avoid leaking a runtime PM usage count on failure. Also ensure pmruntimeputsync is always called in irisdisablepowerdomains,...

UBUNTU-CVE-2026-98829

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: drop oversized fragments to avoid extralen overflow In ieee80211rxhdefragment, fragment payloads are accumulated into entry-extralen as subsequent fragments arrive: entry-extralen += rx-skb-len; When the final...

CVE-2026-98482

In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: drop truncated I/RR/RNR PDUs in nfcllcprecvhdlc nfcllcprecvhdlc reads the sequence byte skb-data2, via nfcllcpns/nfcllcpnr, before any length check. The receive path only guarantees the two-byte LLCP header --...

CVE-2026-98525

In the Linux kernel, the following vulnerability has been resolved: mctp: route: iterate socket tag list in mctplookupprealloctag When a socket transmits a packet with MCTPTAGPREALLOC set, mctplookupprealloctag iterates over the per-netns &mns-keys list and matches netid, reqtag, peeraddr, and...

UBUNTU-CVE-2026-98453

In the Linux kernel, the following vulnerability has been resolved: smb: client: close handle after create-context parsing failure SMB2open accounts a successful CREATE response as a remote open before parsing its create contexts. If smb2parsecontexts rejects malformed context data, SMB2open...

UBUNTU-CVE-2026-98694

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Fix KASAN reported use-after-free when request is canceled Alan reported that when doing stress testing sometimes KASAN notices use-after-free during control channel operation stripped down keeping the relevant parts...

UBUNTU-CVE-2026-98855

In the Linux kernel, the following vulnerability has been resolved: of/overlay: put property on deadprops only after changeset add succeeds addchangesetproperty links a new property of a not-yet-live target node into the node's deadprops list before handing it to ofchangesetaddproperty. If that...

UBUNTU-CVE-2026-98523

In the Linux kernel, the following vulnerability has been resolved: drm/client: fix restore of partially initialized client I got a null-ptr-deref report when closing a DRM file descriptor: WARNING: drivers/gpu/drm/drmatomic.c:2031 at drmatomichelpersetconfig+0x18e/0x1b0 drm Call Trace:...

UBUNTU-CVE-2026-98450

In the Linux kernel, the following vulnerability has been resolved: smb: client: close completed creates on compound wait errors compoundsendrecv waits for responses in order. If a later wait is interrupted, or if a later MID fails during response synchronization, an earlier CREATE may already ha...

UBUNTU-CVE-2026-98452

In the Linux kernel, the following vulnerability has been resolved: smb: client: clean up failed cached directory opens opencacheddir sends CREATE and QUERYINFO as a compound request. If the CREATE succeeds but a later command returns an error, the function must retain the CREATE FID so common...