# Linux Kernel 5.10.267

- Product: Linux Kernel (https://whatsnew.fyi/product/linux-kernel)
- Vendor: Linux Kernel Organization
- Date: 2026-08-27
- Version: 5.10.267
- Original notes: https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.267
- Permalink: https://whatsnew.fyi/product/linux-kernel/releases/5.10.267
- Labels: longterm

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **fixed** — HID: hyperv: validate initial device info bounds
- **fixed** — HID: sensor: custom: Fix use-after-free in enable_sensor
- **fixed** — HID: core: fix number/pointer type confusion on long items
- **fixed** — can: isotp: fix timer drain order, wakeup handling and tx_gen ordering
- **fixed** — can: use skb hash instead of private variable in headroom
- **fixed** — bpf: reject negative CO-RE accessor indices in bpf_core_parse_spec()
- **fixed** — s390/vfio_ccw: Free all memory if cp_init() fails
- **fixed** — iomap: adjust read range correctly for non-block-aligned positions
- **fixed** — xfrm: fix sk_dst_cache double-free in xfrm_user_policy()
- **fixed** — HID: core: fix OOB read of field->usage in hid_set_field()
- **fixed** — HID: magicmouse: Prevent out-of-bounds (OOB) read during DOUBLE_REPORT_ID
- **fixed** — libceph: fix OOB read in decode_watchers() via missing bounds check
- **fixed** — gpio: ml-ioh: use raw_spinlock_t for the register lock
- **fixed** — nvmet-fc: fix invalid free in LS IOD error path
- **fixed** — ipv6: fix use-after-free in ip6_finish_output2()
- **fixed** — ipv4: reject undersized MTUs in ip_do_fragment()
- **fixed** — xfs: bounds-check buffer log item's dirty bitmap
- **fixed** — nfc: nci: free destination parameters when closing a connection
- **fixed** — nfc: nci: fix out-of-bounds write in nci_target_auto_activated()
- **fixed** — nfc: st21nfca: validate ATR_REQ length against the received frame

58 commits in this release:

- Linux 5.10.267
- Revert "ALSA: aoa: Use guard() for mutex locks"
- HID: hyperv: validate initial device info bounds
- HID: sensor: custom: Fix use-after-free in enable_sensor
- HID: core: fix number/pointer type confusion on long items
- can: isotp: fix timer drain order, wakeup handling and tx_gen ordering
- can: use skb hash instead of private variable in headroom
- bpf: reject negative CO-RE accessor indices in bpf_core_parse_spec()
- s390/vfio_ccw: Free all memory if cp_init() fails
- iomap: adjust read range correctly for non-block-aligned positions
- xfrm: fix sk_dst_cache double-free in xfrm_user_policy()
- Revert "Input: ims-pcu - fix race condition in reset_device sysfs callback"
- HID: core: fix OOB read of field->usage in hid_set_field()
- HID: magicmouse: Prevent out-of-bounds (OOB) read during DOUBLE_REPORT_ID
- libceph: fix OOB read in decode_watchers() via missing bounds check
- gpio: ml-ioh: use raw_spinlock_t for the register lock
- nvmet-tcp: Do not WARN on remotely-controlled oversized SGL allocations
- nvmet-fc: fix invalid free in LS IOD error path
- ipv6: fix use-after-free in ip6_finish_output2()
- ipv4: reject undersized MTUs in ip_do_fragment()
- xfs: bounds-check buffer log item's dirty bitmap
- nfc: nci: free destination parameters when closing a connection
- nfc: nci: fix out-of-bounds write in nci_target_auto_activated()
- nfc: st21nfca: validate ATR_REQ length against the received frame
- nfc: pn533: purge fragmented skbs during cleanup
- nfc: llcp: reject PDUs shorter than the LLCP header
- nfc: llcp: fix OOB read and u8 offset wrap in TLV parsers
- nfc: llcp: bound the connect_sn TLV walk to the skb
- nfc: microread: validate target discovery payload lengths
- nfc: fdp: bound the device-reported read length and fix an skb leak
- nfc: digital: clamp SENSF_RES length to the destination buffer
- KVM: arm64: Retry fault if vma_lookup() results become invalid
- s390/vfio_ccw: Cancel existing workqueues
- xfs: fix ilock leak on error in xfs_dq_get_next_id
- inet: frags: publish queues before arming timer
- packet: synchronize pressure clearing with ring reconfiguration
- net/sched: reject overly deep qdisc hierarchies
- packet: use consistent hard_header_len in TX_RING send path
- packet: use consistent hard_header_len in non-ring send paths
- perf/core: Fix group leader use-after-free after sibling detach
- perf: Fix dangling cgroup pointer in cpuctx
- perf: Fix cgroup state vs ERROR
- serial: amba-pl011: synchronize DMA teardown
- NTB: ntb_netdev: Preserve RX queue depth on allocation failure
- ipv4: Fix fib_nlmsg_size() for RTA_VIA nexthops
- net: ipv4: Publish fib_nlmsg_size()
- misc: fastrpc: Remove buffer from list prior to unmap operation
- misc: fastrpc: Rework fastrpc_req_munmap
- misc: fastrpc: separate fastrpc device from channel context
- staging: rtl8723bs: fix OOB read in WMM_param_handler()
- mm/huge_memory: fix huge_zero_pfn race
- net/x25: fix use-after-free of the socket by its timers
- xfs: validate attr entry pointer before field access
- ext4: clear error before retrying inode xattr space fallback
- ext4: stop retrying saturated xattr cache entries
- ocfs2: fix missing metadata reservation for large xattrs
- rndis_host: add overflow check in rndis_rx_fixup()
- Bluetooth: RFCOMM: take rfcomm_mutex for the deferred setup accept