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...

CVE-2026-98548

In the Linux kernel, the following vulnerability has been resolved: sctp: discard the rest of the packet on a stale-cookie error When an association is in COOKIE-ECHOED state and the peer sends a bundled ERRORStale CookieDATA packet from one of its non-primary addresses, processing the ERROR chun...

AZL-109392 CVE-2026-98495 affecting package kernel for versions less than 6.6.159.1-1

In the Linux kernel, the following vulnerability has been resolved: net: arp: terminate device name before lookup The ARP ioctl copies a user-provided struct arpreq into a stack object. Its arpdev field may contain IFNAMSIZ bytes without a NUL terminator. Such input is passed to devgetbynamercu o...

UBUNTU-CVE-2026-98495

In the Linux kernel, the following vulnerability has been resolved: net: arp: terminate device name before lookup The ARP ioctl copies a user-provided struct arpreq into a stack object. Its arpdev field may contain IFNAMSIZ bytes without a NUL terminator. Such input is passed to devgetbynamercu o...

UBUNTU-CVE-2026-98547

In the Linux kernel, the following vulnerability has been resolved: afpacket: fix integer overflow in prbcalcretireblktmo prbcalcretireblktmo computes in 32-bit int arithmetic: mbits = blksizeinbytes 8 / 1024 1024; If I'm reading the validation right, tpblocksize is user controlled and...

UBUNTU-CVE-2026-98532

In the Linux kernel, the following vulnerability has been resolved: ipv6: do not let ipv6findhdr return an offset past the packet end ipv6findhdr walks the extension header chain, skipping each header by the length that header itself declares. ipv6optlen returns up to 2048, and the skip is never...

UBUNTU-CVE-2026-98538

In the Linux kernel, the following vulnerability has been resolved: writeback: bound cleanupofflinecgwb rescans by rotating scanned inodes cleanupofflinecgwb prepares at most WBMAXINODESPERISW inodes per call and is called again until the dying wb is drained, but every call walks wb-battached and...

UBUNTU-CVE-2026-98647

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix divide-by-zero in btfstructwalk When an access goes past the struct and the last member is a flexible array, btfstructwalk folds the offset back into a single element with off - moff % t-size, but never checks that the...

UBUNTU-CVE-2026-98511

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: don't bump pin count on failed re-pin in nouveaubopinlocked nouveaubopinlocked checks whether an already pinned BO is in a memory domain compatible with a new pin request. When the domains are incompatible, it sets...

UBUNTU-CVE-2026-98553

In the Linux kernel, the following vulnerability has been resolved: autofs: fix sbi-pipe file reference leak in autofskillsb When autofsfillsuper fails before clearing AUTOFSSBICATATONIC for example, when findgetpid fails on an invalid pgrp mount option, or when an fscontext is closed before...

UBUNTU-CVE-2026-98602

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: bnep: fix out-of-bounds reads on short RX/TX frames and control fallthrough Fix multiple out-of-bounds reads in Bluetooth BNEP frame processing: 1. In bneprxframe and bnepctrlframe net/bluetooth/bnep/core.c, use...

UBUNTU-CVE-2026-98626

In the Linux kernel, the following vulnerability has been resolved: bpf: Restrict CO-RE poisoning to relocatable instructions CO-RE relocation records can name any instruction offset. When a relocation cannot be resolved, bpfcorepatchinsn currently poisons its target before checking whether that...

UBUNTU-CVE-2026-98509

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: fix memory leak of fence event on execbuffer failure virtiogpuexecbufferioctl reserves a DRM event with drmeventreserveinit when VIRTGPUEXECBUFRINGIDX selects a ring that userspace has enabled polling for...

UBUNTU-CVE-2026-98554

In the Linux kernel, the following vulnerability has been resolved: vlan: ensure sufficient headroom in vlandevhardheader Callers that only reserve ETHHLEN or less such as llcallocframe, or skbs allocated before dynamic device/headroom changes e.g. toggling VLANFLAGREORDERHDR or bonding/team...

DEBIAN-CVE-2026-98491

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

UBUNTU-CVE-2026-98515

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: fix double-free in nvifvmmdtor On failure, nouveaucliinit calls nouveauclifini to tear the client down. Then, nouveaudrmopen also enters into its cleanup path and calls nouveauclifini AGAIN. nouveauclifini calls...

UBUNTU-CVE-2026-98561

In the Linux kernel, the following vulnerability has been resolved: nfp: hold IPsec RX state under the XArray lock nfpnetipsecrx drops the XArray lock before taking a reference to the xfrmstate it found. The delete path can erase the entry and drop the last state reference in that interval. RX ca...

UBUNTU-CVE-2026-98591

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bounds check for skb-backed dynptrs The skbpointeriflinear function checks whether a memory region of length len starting at offset off into the skb is in the linear area, and returns a pointer to the region if so. The...

UBUNTU-CVE-2026-98608

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: fix object leak in virtiogpuresourcecreateioctl virtiogpuresourcecreateioctl calls drmgemobjectrelease on the drmgemhandlecreate error path instead of dropping the reference it owns, so obj-funcs-free never runs and t...

AZL-108857 CVE-2026-98494 affecting package kernel for versions less than 6.6.159.1-1

In the Linux kernel, the following vulnerability has been resolved: net: atl1: fix soft lockup on out-of-range cmbtpdnexttoclean read Same issue as atl1c see the first commit in this series, "net: atl1c: fix soft lockup on out-of-range tpdcons read": the hardware can report an out-of-range...