7.2.3 (stable, Branch 7.2)

Veröffentlicht: 2026-09-02 · Original-ChangeLog · als Text ansehen

71 Commits, davon ca. 63 Fixes

Linux 7.2.3 (stable) delivered a broad round of bug and security fixes across USB, ALSA, crypto, networking, KVM, and filesystem subsystems, addressing numerous use-after-free, out-of-bounds, and race-condition issues. Among the most significant security fixes were the USB serial option driver's slab out-of-bounds read in interrupt URB callbacks, the ALSA usb-audio out-of-bounds write in snd_usbmidi_novation_output(), the Qualcomm crypto (qce) CCM AAD buffer underallocation, and the TLS device out-of-bounds write in tls_append_frag(). The release also hardened several KVM SEV/SNP paths against guest-controlled VMSA and memory-encryption issues, fixed multiple xfrm/TCP-AO use-after-free and lock-inversion bugs in networking, and resolved several FUSE invalidate-lock leaks and io-uring race conditions. Additional fixes touched xHCI USB controllers, RDMA rxe responder/atomic-resource handling, and various netfilter, bridge, and VLAN networking anomalies.

Betroffene Bereiche

Bereich	Commits
crypto	12
usb	8
KVM	7
xfrm	6
fuse	6
USB	3
ALSA	3
netfilter	2

Änderungen (71)

usb: usbfs: fix use-after-free of usb_device in usbdev_release()
wifi: mt76: mt7925: ensure tx headroom in usb_sdio_tx_prepare_skb
USB: c67x00: fix use-after-free in c67x00_add_iso_urb()
USB: serial: spcp8x5: drop broken carrier detect support
USB: serial: option: fix slab OOB read in interrupt URB callback
ALSA: usb-audio: Complete cleanup after system-resume errors
ALSA: usb-audio: fix OOB write in snd_usbmidi_novation_output()
ALSA: usb-audio: Fix sample rates for PreSonus AudioBox USB
usb: core: Strengthen error handling in hub_hub_status()
usb: core: Add lock to usb_wakeup_notification()
KVM: s390: vsie: zero stale crypto bits
crypto: qce - Remove unsafe/deprecated algorithms
crypto: mxs-dcp - fix source scatterlist length access
crypto: iaa - fall back to software for multi-entry scatterlists
crypto: qce - fix CCM AAD buffer underallocation
crypto: krb5 - use kfree_sensitive() for derived key buffers
crypto: atmel-tdes - use scatterlist length before DMA mapping
crypto: sun8i-ss - Remove crypto_rng interface
crypto: sun8i-ce - Remove crypto_rng interface
crypto: qcom-rng - Allow zero as a random number
crypto: qcom-rng - Remove crypto_rng interface
crypto: qcom-rng - Enable clock in hwrng case
crypto: virtio - bound the akcipher result length
kunit: irq: Continue increasing hrtimer interval for longer
mm/swap: reject swapon() on filesystem-level encrypted files
netfilter: nf_tables: don't queue packet path object notifications
netfilter: nft_set_pipapo_avx2: add missing vzeroupper
vxlan: keep the last remote linked during FDB flush
batman-adv: reject unrepresentable multicast TVLV offsets
ipv6: seg6: clear IPv4 control block on IPIP decapsulation
net/packet: defer vmalloc TX_RING free until skbs finish
vlan: fix skb_under_panic and races when toggling HW VLAN offload
net: bridge: mcast: fix use-after-free of a master VLAN's multicast context
xfrm: bound nat keepalive state collection
xfrm: fix xfrm_state_construct() auth-trunc leak
xfrm: ah6: validate routing header segments_left
xfrm: avoid lock inversion in nat keepalive work
xfrm: drop ESP-in-TCP packets with no ingress device
tcp: clamp route advmss to TCP_MIN_MSS
xfrm: espintcp: fix UAF during close
net: advertise TCP MSS from the configured MTU, not the learned PMTU
net/tcp-ao: fix use-after-free of current_key on reconnect to another peer
tcp: fix AO info use-after-free in tcp_ao_connect_init()
net/tcp: fix TCP-AO key deletion in VRFs
gtp: serialize PDP context updates
tls: device: fix out-of-bounds write in tls_append_frag()
KVM: SEV: Wire up kvm_x86_ops.gmem_xxx() if and only if CONFIG_KVM_AMD_SEV=y
KVM: SEV: Mark vCPU RUNNABLE after AP_CREATE, even if VMSA is unusable
KVM: SEV: Extract loading of guest-provided VMSA to a separate helper
KVM: SEV: Track the GPA of the guest-controlled VMSA used for SNP guests
KVM: SEV: Drop FOLL_WRITE for encrypted region registration
KVM: SEV: Allocate full pages for {DE,EN}CRYPT ops on SNP-enabled hosts
usb: gadget: f_tcm: keep port count until LUN teardown completes
usb: usbtest: disable dynamic ID support
fuse: fix invalidate lock leak on open O_TRUNC DAX failure
fuse: fix invalidate lock leak on setattr writeback failure
fuse: wait for FR_FINISHED on abort_on_kill to prevent use-after-free
fuse: publish io-uring queues with release semantics
fuse: fix missing barrier when checking io-uring readiness
fuse: fix race between interrupt and resend
xhci: dbgtty: Fix unregister on tty_alloc_driver() failure
xhci: dbgtty: Fix unregister on tty_register_driver() failure
usb: xhci: bail out of setup if the controller is inaccessible
usb: xhci: Handle USB3 port events when there is one roothub
usb: xhci: Handle bogus TRB pointers in Missed Service Error events
accessibility: speakup: unregister tty ldisc on later init failures
fpga: dfl: fme: add error handling
selftests/bpf: Fix test_maps sockmap failure
nvme-tcp: fix usage of page_frag_cache
RDMA/rxe: Fix OOB in free_rd_atomic_resources()
RDMA/rxe: Fix responder UAF on IB_QP_MAX_DEST_RD_ATOMIC modify_qp