UBUNTU-CVE-2026-68337

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject redirect helpers without a bpfnetcontext The bpfredirect helpers and skbdoredirect obtain the per-task bpfredirectinfo via bpfnetctxgetri, which dereferences the current-bpfnetcontext unconditionally. That context is...

UBUNTU-CVE-2026-68344

In the Linux kernel, the following vulnerability has been resolved: usb: atm: ueagle-atm: reject descriptors that confuse probe and disconnect ueaprobe distinguishes a pre-firmware device from a post-firmware one using the USB id UEAISPREFIRM, and stores a different object as the interface data i...

UBUNTU-CVE-2026-68336

In the Linux kernel, the following vulnerability has been resolved: bonding: fix devconfall NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the devconfall is never initialized because inet6init exits before addrconfinit is called which initializes it...

CVE-2026-68159

In the Linux kernel, the following vulnerability has been resolved: libceph: bound pgtemp,upmap,upmapitems length to CEPHPGMAXSIZE decodepgtemp decodes an user-controlled length but only rejects values large enough to overflow the allocation; it does not bound it to CEPHPGMAXSIZE. The helper back...

UBUNTU-CVE-2026-68188

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: Fix session UAF in settermios rfcommttysettermios tests dlc-session without rfcommmutex and later passes the pointer to rfcommsendrpn. The latter dereferences both session-initiator and session-sock. Meanwhile,...

UBUNTU-CVE-2026-68239

In the Linux kernel, the following vulnerability has been resolved: drm/ttm: Account for NULL and handle pages in ttmpoolbackup Pages in ttmpoolbackup can be NULL or backup handles ttmbackuppageptrishandle, neither of which can be passed to setpagesarraywb or freed. Add a dedicated WB pass before...

UBUNTU-CVE-2026-68284

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix cork use-after-free in tcpbpfsendmsg tcpbpfsendmsg keeps msgtx across skstreamwaitmemory, which drops and reacquires the socket lock. Its error path tries to decide whether msgtx names the local temporary messag...

UBUNTU-CVE-2026-68237

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/userq: fix indefinite fence wait during GPU reset prereset only force-completes fences of MAPPED queues. A queue in any other state e.g. mid-eviction keeps its lastfence pending; after a GPU reset that fence never...

UBUNTU-CVE-2026-68363

In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k: hifusb: don't dereference hifdev after re-arming firmware request ath9khifrequestfirmware re-arms an asynchronous firmware load via requestfirmwarenowait, passing hifdev as the completion context, and then still...

UBUNTU-CVE-2026-68428

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Fix use-after-free on vendor module reload mmudestroycaches destroys ptelistdesccache and mmupageheadercache, but leaves both pointers unchanged. The pointers live in kvm.ko, and therefore survive when a vendor modu...

UBUNTU-CVE-2026-68420

In the Linux kernel, the following vulnerability has been resolved: xfrm: reject optional IPTFS templates in outbound policies syzbot reported a stack-out-of-bounds read in xfrmstatefind which flows from xfrmtmplresolveone. Commit 3d776e31c841 "xfrm: Reject optional tunnel/BEET mode templates in...

CVE-2026-68144

In the Linux kernel, the following vulnerability has been resolved: phonet: pep: fix use-after-free in pepgetsb pepgetsb doesn't consider that pskbmaypull might have relocated the skb data, and continue to access the older pointer, causing UAF. Reproduced under KASAN: BUG: KASAN:...

CVE-2026-68237

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/userq: fix indefinite fence wait during GPU reset prereset only force-completes fences of MAPPED queues. A queue in any other state e.g. mid-eviction keeps its lastfence pending; after a GPU reset that fence never...

CVE-2026-68239

In the Linux kernel, the following vulnerability has been resolved: drm/ttm: Account for NULL and handle pages in ttmpoolbackup Pages in ttmpoolbackup can be NULL or backup handles ttmbackuppageptrishandle, neither of which can be passed to setpagesarraywb or freed. Add a dedicated WB pass before...

CVE-2026-68336

In the Linux kernel, the following vulnerability has been resolved: bonding: fix devconfall NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the devconfall is never initialized because inet6init exits before addrconfinit is called which initializes it...

CVE-2026-68304

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix 802.1X-SHA256 call trace warning Based on wpaauth as 1x256 mode, need to set up "usefwsup" with BRCMFPROFILEFWSUP1X. Or it will happen trace warning when call brcmfcfg80211setpmk. 4481.831101 ------------ cut...

CVE-2026-68420

In the Linux kernel, the following vulnerability has been resolved: xfrm: reject optional IPTFS templates in outbound policies syzbot reported a stack-out-of-bounds read in xfrmstatefind which flows from xfrmtmplresolveone. Commit 3d776e31c841 "xfrm: Reject optional tunnel/BEET mode templates in...

CVE-2026-68291

In the Linux kernel, the following vulnerability has been resolved: idpf: fix maxvport related crash on allocation error during init Set adapter-maxvports only after successful allocation of vports, netdevs and vportconfig buffers. This fixes possible crashes on reset or rmmod, following failed...

CVE-2026-68344

In the Linux kernel, the following vulnerability has been resolved: usb: atm: ueagle-atm: reject descriptors that confuse probe and disconnect ueaprobe distinguishes a pre-firmware device from a post-firmware one using the USB id UEAISPREFIRM, and stores a different object as the interface data i...

CVE-2026-68428

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Fix use-after-free on vendor module reload mmudestroycaches destroys ptelistdesccache and mmupageheadercache, but leaves both pointers unchanged. The pointers live in kvm.ko, and therefore survive when a vendor modu...