CVE-2026-80647 RDMA/hns: Fix warning in poll cq direct mode

In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix warning in poll cq direct mode CQs allocated by iballoccq always have a comphandler. Though in direct mode this handler is never expected to be called, it is still called when the driver is reset, triggering the...

CVE-2026-80646 ipv6: guard against possible NULL deref in __in6_dev_stats_get()

In the Linux kernel, the following vulnerability has been resolved: ipv6: guard against possible NULL deref in in6devstatsget devgetbyindexrcu could return NULL if the original physical device is unregistered. Found by Sashiko...

CVE-2026-80645 rapidio/tsi721: prevent a bad dereference in tsi721_db_dpc()

In the Linux kernel, the following vulnerability has been resolved: rapidio/tsi721: prevent a bad dereference in tsi721dbdpc With a listforeach loop, if we don't find the item we are looking for in the list, then the loop exits with the iterator, which is "dbell" in this loop, pointing to invalid...

CVE-2026-80644 ocfs2: don't BUG_ON an invalid journal dinode

In the Linux kernel, the following vulnerability has been resolved: ocfs2: don't BUGON an invalid journal dinode BUG A fuzzed OCFS2 image can corrupt the current slot journal dinode while mount is still in progress. The mount path first reports the invalid journal block and then crashes in...

CVE-2026-80643 EDAC/igen6: Fix call trace due to missing release()

In the Linux kernel, the following vulnerability has been resolved: EDAC/igen6: Fix call trace due to missing release When unloading the igen6edac driver, there is a call trace: Device 'null' does not have a release function, it is broken and must be fixed. See Documentation/core-api/kobject.rst...

CVE-2026-80642 liveupdate: Reference count incoming FLB data

In the Linux kernel, the following vulnerability has been resolved: liveupdate: Reference count incoming FLB data Increment the incoming FLB refcount in liveupdateflbgetincoming so that the FLB structure cannot be freed while the caller is actively using it. Add an additional...

CVE-2026-80641 wifi: wlcore: enable the right set of ciphers

In the Linux kernel, the following vulnerability has been resolved: wifi: wlcore: enable the right set of ciphers The firmware version number check for IGTK introduced in commit c34dbc5900b0 "wifi: wlcore: Add support for IGTK key" lets the amount of ciphers decrease on every boot of a too old...

CVE-2026-80639 cxl/test: Fix __fortify_panic

In the Linux kernel, the following vulnerability has been resolved: cxl/test: Fix fortifypanic Fix a runtime assertion in setupxormapping. Fortify complains that it is potentially overflowing the xormaps array per countedbynrmaps. Quiet the false positive by initializing @nrmaps earlier. memcpy:...

CVE-2026-80640 cxl/fwctl: Fix __fortify_panic

In the Linux kernel, the following vulnerability has been resolved: cxl/fwctl: Fix fortifypanic Fix a runtime assertion in cxlctlgetsupportedfeatures. Fortify complains that it is potentially overflowing the entries array per countedbylenumentries. Quiet the false positive by initializing...

CVE-2026-80638 ocfs2: fix out-of-bounds write in ocfs2_remove_refcount_extent

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix out-of-bounds write in ocfs2removerefcountextent BUG Unlinking a refcounted file whose refcount tree has leaf blocks triggers a fortify panic due to an out-of-bounds write. CAUSE When the last leaf block is removed fro...

CVE-2026-80637 netfilter: synproxy: fix unaligned memory access in timestamp adjustment

In the Linux kernel, the following vulnerability has been resolved: netfilter: synproxy: fix unaligned memory access in timestamp adjustment Use getunalignedbe32 and putunalignedbe32 to safely read and write the timestamp fields. This prevents performance degradation due to unaligned memory acces...

CVE-2026-80636 netfilter: conntrack: revert ct extension genid infrastructure

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: revert ct extension genid infrastructure This infrastructure is not used anymore after moving ct timeout and helper to use datapath refcount to track object use. Revert commit c56716c69ce1 "netfilter:...

CVE-2026-80634 netfilter: flowtable: avoid num_encaps underflow on bridge VLAN untag

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: avoid numencaps underflow on bridge VLAN untag The DEVPATHBRVLANUNTAG case post-decrements info-numencaps inside WARNONONCE. numencaps is u8, so if it's already 0 the decrement still happens and wraps it to...

CVE-2026-80635 wifi: wcn36xx: fix OOB read from short trigger BA firmware response

In the Linux kernel, the following vulnerability has been resolved: wifi: wcn36xx: fix OOB read from short trigger BA firmware response The firmware response length is only checked against sizeofrsp 20 bytes, but when candidatecnt = 1, a 22-byte candidate struct is read at buf + 20 without...

CVE-2026-80633 iommufd: Take dma_resv lock before dma_buf_unpin() in release path

In the Linux kernel, the following vulnerability has been resolved: iommufd: Take dmaresv lock before dmabufunpin in release path dmabufunpin requires the caller to hold the exporter's dmaresv lock: void dmabufunpinstruct dmabufattachment attach ... dmaresvasserthelddmabuf-resv;...

CVE-2026-80632 wifi: mt76: mt7996: Fix NULL pointer dereference in mt7996_init_tx_queues()

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: Fix NULL pointer dereference in mt7996inittxqueues When MT76NPU and CONFIGNETMEDIATEKSOCWED are enabled and mt76 detects properly the Airoha NPU SoC, mt7996inittxqueues will dereference a NULL WED pointer. Fix...

CVE-2026-80631 btrfs: lzo: reject compressed segment that overflows the compressed input

In the Linux kernel, the following vulnerability has been resolved: btrfs: lzo: reject compressed segment that overflows the compressed input lzodecompressbio validates each on-disk segment length seglen only against the workspace cbuf size, not against the compressed input size compressedlen, th...

CVE-2026-80630 net/sched: sch_fq_codel: Do not call qdisc_tree_reduce_backlog during peek before restoring qlen

In the Linux kernel, the following vulnerability has been resolved: net/sched: schfqcodel: Do not call qdisctreereducebacklog during peek before restoring qlen Whenever fqcodel drops packets during peek, it calls qdisctreereducebacklog. An issue arises because it calls qdisctreereducebacklog befo...

CVE-2026-80628 ALSA: seq: oss: Serialize readq reset state with q->lock

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: oss: Serialize readq reset state with q-lock sndseqossreadqclear resets qlen, head, and tail without q-lock even though the normal reader and producer paths serialize the same ring state under that spinlock. A reset ca...

CVE-2026-80629 octeontx2-af: npc: Fix size of entry2cntr_map

In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: npc: Fix size of entry2cntrmap KASAN prints below splat. This is caused by allocating counter for reserved mcam entry for cpt 2nd pass entry. But mcam-entry2cntrmap is not allocated for reserved entries. BUG: KASAN:...