UBUNTU-CVE-2026-98853

In the Linux kernel, the following vulnerability has been resolved: net: gso: limit recursive IP-in-IP segmentation IP-in-IP GSO can re-enter inetgsosegment or ipv6gsosegment for each nested IP header. encaplevel tracks header bytes, not callback depth, so a deep chain can exhaust the kernel stac...

UBUNTU-CVE-2026-98803

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: fix rx Scatter-Gather support When a received frame is larger than dmabufsz, the DMA scatters it across multiple RX descriptors rx Scatter-Gather. The secondary RX buffer secpage was only allocated and programmed whe...

UBUNTU-CVE-2026-98802

In the Linux kernel, the following vulnerability has been resolved: seg6: ensure packet data is writable before modifying SRH and IPv6 DA advancenextseg modifies the SRH Segments Left field and the IPv6 destination address without ensuring the packet data is writable. seg6nextcsidadvancearg has t...

UBUNTU-CVE-2026-98788

In the Linux kernel, the following vulnerability has been resolved: futex: Fix private hash use-after-free on resize pollstatesynchronizercumm-futex.phash.batches is used by futexrefdrop to check that a grace period has passed since the current hash was published. This relies on batches referenci...

UBUNTU-CVE-2026-98550

In the Linux kernel, the following vulnerability has been resolved: tipc: reject invalid and unexpected GRPACKMSG to prevent bcackers underflow Commit 48a5fe38772b "tipc: fix bcackers underflow on duplicate GRPACKMSG" rejected duplicate/stale ACKs in tipcgroupprotorcv by returning early when...

UBUNTU-CVE-2026-98516

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: Fix bridge reference leak in nv1aramnew pcigetdomainbusandslot takes a reference to the PCI device, which is never released once the memory size has been read from its config space. Drop the reference before returnin...

UBUNTU-CVE-2026-98536

In the Linux kernel, the following vulnerability has been resolved: writeback: report a Tasks-RCU quiescent state per cgwb drain pass cleanupofflinecgwbsworkfn drains a dying cgwb by calling cleanupofflinecgwb until it returns false, with a condresched between passes. On a CONFIGPREEMPTION kernel...

UBUNTU-CVE-2026-98713

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Apply the fine-grained UNDEFs without FEATFGT FGUs don't actually require hardware support, so don't gate fgt trap config insertion on FGT. This is the only action required to allow FGUs always, as kvmcalculatetraps...

UBUNTU-CVE-2026-98701

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: release mesh path quota on failed additions Repeated failed or duplicate mesh path additions can exhaust MESHMAXMPATHS while the path table holds fewer paths, which stops new paths to reachable destinations from...

UBUNTU-CVE-2026-98744

In the Linux kernel, the following vulnerability has been resolved: ASoC: codecs: max98363: fix uninitialized streamconfig-type streamconfig is not initialized before being passed to sdwstreamaddslave. The type field may contain garbage and is later copied to stream-type by sdwconfigstream...

UBUNTU-CVE-2026-98749

In the Linux kernel, the following vulnerability has been resolved: tty: serial: max3100: shut down timer before freeing port max3100shutdown stops the polling timer but returns early during system suspend. If the SPI device is unbound before resume, the serial core does not call max3100shutdown...

UBUNTU-CVE-2026-98768

In the Linux kernel, the following vulnerability has been resolved: usb: typec: anx7411 - stop the IRQ before destroying the workqueue The IRQ is devm-managed, so it can still queue plat-work while remove is tearing the queue down. Disable it first...

UBUNTU-CVE-2026-98770

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: midi2: Fix the jack descriptor array sizes The jack in/out descriptor arrays in struct fmidi2usbconfig have the size of MAXCABLES, which look reasonable -- but it turned out to be incorrect. Namely, the entries for...

UBUNTU-CVE-2026-98566

In the Linux kernel, the following vulnerability has been resolved: drm/imagination: clamp freelist reconstruction requests The firmware reconstruction count controls accesses to the request's fixed freelist ID array and the copy into the fixed response array. Neither access currently bounds the...

UBUNTU-CVE-2026-98541

In the Linux kernel, the following vulnerability has been resolved: fou: reject omitted FOUATTRIPPROTO on FOUENCAPDIRECT Commit 7a9bc9e3f423 "fou: Don't allow 0 for FOUATTRIPPROTO." added NLAPOLICYMINNLAU8, 1 to founlpolicyFOUATTRIPPROTO, which rejects an explicitly supplied FOUATTRIPPROTO == 0...

UBUNTU-CVE-2026-98569

In the Linux kernel, the following vulnerability has been resolved: ipgre: Reject enabling collect metadata through changelink ipgrenetlinkparms can enable collectmd on an existing GRE, GRETAP or ERSPAN device. Unlike newlink, changelink does not enforce metadata tunnel uniqueness. Converting a...

UBUNTU-CVE-2026-98451

In the Linux kernel, the following vulnerability has been resolved: smb: client: use finishnoopen for non-regular inodes An OCREAT open can find an existing symlink or another non-regular inode. cifsatomicopen calls finishopen on it and attaches a cifsFileInfo. Symlink inodes have no CIFS release...

UBUNTU-CVE-2026-98441

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: avoid modifying shared unconfirmed ct entry In a case where skb with an unconfirmed ct entry gets cloned, we may end up processing both again but with different sets of extensions. The series of events: 1. The...

UBUNTU-CVE-2026-98456

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: mgmt: fix race in readunconfindexlist readunconfindexlist counts unconfigured controllers before allocating its response, then checks the device flags again while filling it. hcidevlistlock stabilizes list membership,...

UBUNTU-CVE-2026-98577

In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: fix WKS SAP hijacking via prefix match in nfcllcpwkssap nfcllcpwkssap compares only servicenamelen bytes, so a short servicename like "u" matches longer WKS strings like "urn:nfc:sn:snep". Fix by requiring exact length...