CVE-2026-63884 drm/i915: Fix potential UAF in TTM object purge

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix potential UAF in TTM object purge TLDR: The bo-ttm object might be changed by calling ttmbovalidate, move casting it to an i915tt object later to actually get the right pointer. A user reported hitting the following...

CVE-2026-63883 serial: qcom_geni: fix kfifo underflow when flush precedes DMA completion IRQ

In the Linux kernel, the following vulnerability has been resolved: serial: qcomgeni: fix kfifo underflow when flush precedes DMA completion IRQ When uartflushbuffer runs before the DMA completion IRQ is delivered, the following race can occur all steps serialized by uartportlock: 1. DMA starts:...

CVE-2026-63882 drm/amdkfd: fix NULL pointer bug in svm_range_set_attr

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: fix NULL pointer bug in svmrangesetattr The processinfo could be NULL if user doesn't call kfdioctlacquirevm before calling kfdioctlsvm. cherry picked from commit 83a26c812e0529eb040d31a76f73e33e637243d4...

CVE-2026-63881 drm/amdkfd: fix a vulnerability of integer overflow in kfd debugger

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: fix a vulnerability of integer overflow in kfd debugger getqueueids computes arraysize = numqueues sizeofuint32t, which could overflow on 32-bit sizet build. using arraysize instead, it saturates to SIZEMAX on overflo...

CVE-2026-63880 drm/amdgpu: fix lock leak on ENOMEM in AMDGPU_GEM_OP_GET_MAPPING_INFO

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix lock leak on ENOMEM in AMDGPUGEMOPGETMAPPINGINFO The AMDGPUGEMOPGETMAPPINGINFO branch of amdgpugemopioctl holds three cleanup-tracked resources before calling kvcalloc: the drmgemobject reference from...

CVE-2026-63879 drm/amdgpu: fix amdgpu_hmm_range_get_pages

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix amdgpuhmmrangegetpages The notifier sequence must only be read once or otherwise we could work with invalid pages. While at it also fix the coding style, e.g. drop the pre-initialized return value and use the comm...

CVE-2026-63878 drm/amdgpu: check num_entries in GEM_OP GET_MAPPING_INFO

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: check numentries in GEMOP GETMAPPINGINFO kvcallocargs-numentries, sizeofvmentries, GFPKERNEL at amdgpugem.c:1050 uses the user-supplied numentries directly without any upper bounds check. Since numentries is a u32 and...

CVE-2026-63877 serial: dz: Convert to use a platform device

In the Linux kernel, the following vulnerability has been resolved: serial: dz: Convert to use a platform device Prevent a crash from happening as the first serial port is initialised: Console: switching to colour frame buffer device 160x64 tgafb: SFB+ detected, rev=0x02 fb0: Digital ZLX-E1 frame...

CVE-2026-63876 serial: zs: Convert to use a platform device

In the Linux kernel, the following vulnerability has been resolved: serial: zs: Convert to use a platform device Prevent a crash from happening as the first serial port is initialised: Console: switching to mono frame buffer device 160x64 fb0: PMAG-AA frame buffer device at tc0 DECstation Z85C30...

CVE-2026-63875 arm64: tlb: Flush walk cache when unsharing PMD tables

In the Linux kernel, the following vulnerability has been resolved: arm64: tlb: Flush walk cache when unsharing PMD tables When hugepmdunshare is called to unshare a PMD table, the tlbunsharepmdptdesc function sets tlb-unsharedtables=true but the aarch64 tlbflush only checked tlb-freedtables to...

CVE-2026-63874 net: mctp: usb: fix race between urb completion and rx_retry cancellation

In the Linux kernel, the following vulnerability has been resolved: net: mctp: usb: fix race between urb completion and rxretry cancellation It's possible that sequencing between setting -stopped and cancelling the rxretry work in ndostop could leave us with an urb queued: T1: ndostop T2:...

CVE-2026-63873 accel/amdxdna: Fix mm_struct reference leak in aie2_populate_range()

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix mmstruct reference leak in aie2populaterange aie2populaterange jumps back to the again label without calling mmputmm, leaking a reference to the mmstruct. Add the missing mmput before jumping to again...

CVE-2026-63872 esp: fix page frag reference leak on skb_to_sgvec failure

In the Linux kernel, the following vulnerability has been resolved: esp: fix page frag reference leak on skbtosgvec failure In espoutputtail, when esp-inplace is false, the old skb page frags are replaced with a new page from the xfrm pagefrag cache. The source scatterlist sg is built from the ol...

CVE-2026-63871 Bluetooth: ISO: Fix data-race on iso_pi fields in hci_get_route calls

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: Fix data-race on isopi fields in hcigetroute calls isoconnectbis, isoconnectcis, isolistenbis, and isoconnbigsync call hcigetroute using isopisk-dst, isopisk-src, and isopisk-srctype without holding locksock. Thes...

CVE-2026-63870 ieee802154: 6lowpan: only accept IPv6 packets in lowpan_xmit()

In the Linux kernel, the following vulnerability has been resolved: ieee802154: 6lowpan: only accept IPv6 packets in lowpanxmit The aoe driver or similar generates a non-IPv6 packet e.g., ETHPAOE and queues it for transmission via devqueuexmit on a 6LoWPAN interface configured by the user or test...

CVE-2026-63869 wifi: mac80211: limit injected antenna index in ieee80211_parse_tx_radiotap

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: limit injected antenna index in ieee80211parsetxradiotap When parsing the radiotap header of an injected frame, ieee80211parsetxradiotap uses the IEEE80211RADIOTAPANTENNA value directly as a shift count:...

CVE-2026-63867 mptcp: close TOCTOU race while computing rcv_wnd

In the Linux kernel, the following vulnerability has been resolved: mptcp: close TOCTOU race while computing rcvwnd The MPTCP output path access locklessly the MPTCP-level ackseq in multiple times, using possibly different values for the dataack in the DSS option and to compute the announced rcv...

CVE-2026-63868 net: garp: fix unsigned integer underflow in garp_pdu_parse_attr

In the Linux kernel, the following vulnerability has been resolved: net: garp: fix unsigned integer underflow in garppduparseattr The receive-side GARP attribute parser computes dlen with reversed operands: dlen = sizeofga - ga-len; ga-len is the on-wire attribute length and includes the GARP...

CVE-2026-63866 wifi: mt76: mt7996: Clear wcid pointer in mt7996_mac_sta_deinit_link()

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: Clear wcid pointer in mt7996macstadeinitlink Clear WCID pointer removing the sta link in mt7996macstadeinitlink routine...

CVE-2026-63865 bpf: Drop task_to_inode and inet_conn_established from lsm sleepable hooks

In the Linux kernel, the following vulnerability has been resolved: bpf: Drop tasktoinode and inetconnestablished from lsm sleepable hooks bpflsmtasktoinode is called under rcureadlock and bpflsminetconnestablished is called from softirq context, so neither hook can be used by sleepable LSM...