# Linux Kernel 6.18.44

- Product: Linux Kernel (https://whatsnew.fyi/product/linux-kernel)
- Vendor: Linux Kernel Organization
- Date: 2026-08-09
- Version: 6.18.44
- Original notes: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.18.44
- Permalink: https://whatsnew.fyi/product/linux-kernel/releases/6.18.44
- 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** — drm/tegra: fbdev: Do not assign to struct drm_fb_helper.info
- **fixed** — drm/fb-helper: Fix a locking bug in an error path
- **fixed** — usb: typec: ucsi: Correct teardown ordering in ucsi_init() error path
- **fixed** — can: isotp: fix timer drain order, wakeup handling and tx_gen ordering
- **changed** — can: use skb hash instead of private variable in headroom
- **fixed** — drm/xe/pt: Reset current_op in xe_pt_update_ops_init()
- **added** — drm/xe: Add page reclamation info to device info
- **added** — drm/xe: Stub out new pagefault layer
- **changed** — drm/xe: Use SVM range helpers in PT layer
- **fixed** — drm/i915/vrr: require valid min/max vfreq for VRR
- **fixed** — drm/i915/vrr: Check HAS_VRR() first in intel_vrr_is_capable()
- **fixed** — drm/xe: Wait on external BO kernel fences in exec IOCTL
- **changed** — drm/exec: Remove the index parameter from drm_exec_for_each_locked_obj[_reverse]
- **fixed** — drm/xe/vm: Fix BO prefetch with CONSULT_MEM_ADVISE_PREF_LOC
- **fixed** — drm/xe/vm: Prevent binding of purged buffer objects
- **added** — drm/xe/bo: Add purgeable bo state tracking and field madv to xe_bo
- **added** — drm/xe: add xe_migrate_resolve wrapper and is_vram_resolve support
- **added** — drm/xe/pat: Add helper to query compression enable status
- **fixed** — drm/amd/display: Exit idle optimizations before programming

The 120 most recent commits in this release — the full changelog is longer:

- Linux 6.18.44
- drm/tegra: fbdev: Do not assign to struct drm_fb_helper.info
- drm/fb-helper: Fix a locking bug in an error path
- usb: typec: ucsi: Correct teardown ordering in ucsi_init() error path
- can: isotp: fix timer drain order, wakeup handling and tx_gen ordering
- can: use skb hash instead of private variable in headroom
- drm/xe/pt: Reset current_op in xe_pt_update_ops_init()
- drm/xe: Add page reclamation info to device info
- drm/xe: Stub out new pagefault layer
- drm/xe: Use SVM range helpers in PT layer
- drm/i915/vrr: require valid min/max vfreq for VRR
- drm/i915/vrr: Check HAS_VRR() first in intel_vrr_is_capable()
- drm/xe: Wait on external BO kernel fences in exec IOCTL
- drm/exec: Remove the index parameter from drm_exec_for_each_locked_obj[_reverse]
- drm/xe/vm: Fix BO prefetch with CONSULT_MEM_ADVISE_PREF_LOC
- drm/xe/vm: Prevent binding of purged buffer objects
- drm/xe/bo: Add purgeable bo state tracking and field madv to xe_bo
- drm/xe: add xe_migrate_resolve wrapper and is_vram_resolve support
- drm/xe/pat: Add helper to query compression enable status
- drm/amd/display: Exit idle optimizations before programming
- drm/amd/display: check GRPH_FLIP status before sending event
- drm/xe/guc: Fix buffer overflow in steered register list allocation
- drm/amdgpu: Respect placement requirements in amdgpu_gtt_mgr functions
- drm/amdgpu: Fix context pstate override handling
- drm/tegra: fbdev: Remove offset into framebuffer memory
- drm/fb-helper: Allocate and release fb_info in single place
- userfaultfd: prevent registration of special VMAs
- wifi: brcmfmac: drain bus_reset work on device removal
- media: uapi: rkisp: Correct name version enum
- media: qcom: camss: Fix RDI streaming for CSID 340
- media: qcom: camss: csid-340: Fix unused variables
- media: chips-media: wave5: Support CBP profile
- usb: typec: ucsi: Fix race condition and ordering in port unregistration
- usb: typec: ucsi: split connector lock classes
- net/handshake: Drain pending requests at net namespace exit
- net/handshake: Close the submit-side sock_hold race
- net/handshake: hand off the pinned file reference to accept_doit
- net/handshake: Take a long-lived file reference at submit
- net/handshake: Fix null-ptr-deref in handshake_complete()
- net/handshake: convert handshake_nl_accept_doit() to FD_PREPARE()
- file: ensure cleanup
- file: add FD_{ADD,PREPARE}()
- mm/huge_memory: unlock i_mmap_rwsem before releasing after-split folios
- fs/proc/task_mmu: fix PAGEMAP_SCAN written state for unpopulated ptes
- mm/hugetlb: fix swap entry corruption when clearing uffd-wp at fork()
- drm/xe/rtp: Ensure locking/ref counting for OA whitelists
- drm/xe/oa: (De-)whitelist OA registers on OA stream open/release
- drm/xe/rtp: (De-)whitelist OA registers for all hwe's for a gt
- drm/xe/rtp: Toggle 'deny' bit to (de-)whitelist OA regs
- drm/xe/rtp: Save OA nonpriv registers to register save/restore lists
- drm/xe/rtp: Generalize whitelist_apply_to_hwe
- drm/xe/rtp: Keep track of non-OA nonpriv slots
- drm/xe/rtp: Maintain OA whitelists separately
- drm/xe/rtp: Add RING_FORCE_TO_NONPRIV_DENY to OA whitelists
- drm/xe/rtp: Refactor OAG MMIO trigger register whitelisting
- HID: logitech-dj: Fix maxfield check in DJ short report validation
- spi: spi-cadence: enable SPI_CONTROLLER_MUST_TX
- drm/vmwgfx: validate external BO copy bounds for both stride paths
- drm/vmwgfx: use check_add_overflow for shader size+offset bound
- drm/vmwgfx: enforce cursor size limits for MOB cursors
- drm/vmwgfx: avoid destroy_workqueue(NULL) on vkms init failure
- drm/vmwgfx: bound DMA command body size against suffix pointer
- drm/vmwgfx: validate DRAW_PRIMITIVES header size before division
- drm/vmwgfx: drop dma_buf reference on foreign-fd prime import
- drm/vmwgfx: take fman->lock around fence list mutation in fifo_down
- drm/vmwgfx: clamp dirty-page range with min, not max
- drm/vmwgfx: reject

_[Truncated at 4000 characters — full notes: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.18.44]_