RHSA-2025:20095 Red Hat Security Advisory: kernel security update
microcode_ctl: From CVEorg collector kernel: information leak via transient execution vulnerability in some AMD processors kernel: transient execution vulnerability in some AMD processors kernel: drm/xe/tracing: Fix a potential TP_printk UAF kernel: igb: Fix potential invalid memory access in igb_init_module() kernel: exfat: fix out-of-bounds access of directory entries kernel: nfsd: release svc_expkey/svc_export with rcu_work kernel: zram: fix NULL pointer in comp_algorithm_show() kernel: xen: Xen hypercall page unsafe against speculative attacks (Xen Security Advisory 466) kernel: NFS: Fix potential buffer overflowin nfs_sysfs_link_rpc_client() kernel: acpi: nfit: vmalloc-out-of-bounds Read in acpi_nfit_ctl kernel: bpf: Fix UAF via mismatching bpf_prog/attachment RCU flavors kernel: crypto: pcrypt - Call crypto layer directly when padata_do_parallel() return -EBUSY kernel: af_packet: fix vlan_get_protocol_dgram() vs MSG_PEEK kernel: af_packet: fix vlan_get_tci() vs MSG_PEEK kernel: netfs: Fix the (non-)cancellation of copy when cache is temporarily disabled kernel: netfs: Fix ceph copy to cache on write-begin kernel: memcg: fix soft lockup in the OOM process kernel: usb: xhci: Fix NULL pointer dereference on certain command aborts kernel: xfrm: state: fix out-of-bounds read during lookup kernel: i3c: dw: Fix use-after-free in dw_i3c_master driver due to race condition kernel: HID: core: Fix assumption that Resolution Multipliers must be in Logical Collections kernel: Bluetooth: btrtl: check for NULL in btrtl_setup_realtek() kernel: Bluetooth: btbcm: Fix NULL deref in btbcm_get_board_name() kernel: wifi: mt76: mt7925: fix NULL deref check in mt7925_change_vif_links kernel: wifi: ath12k: fix read pointer after free in ath12k_mac_assign_vif_to_vdev() kernel: media: intel/ipu6: remove cpu latency qos request on error kernel: tpm: Change to kvalloc() in eventlog/acpi.c kernel: PCI: dwc: ep: Prevent changing BAR size/flags in pci_epc_set_bar() kernel: ASoC: SOF: Intel: hda-dai: Ensure DAI widget is valid during params kernel: Bluetooth: MGMT: Fix slab-use-after-free Read in mgmt_remove_adv_monitor_sync kernel: wifi: brcmsmac: add gain range check to wlc_phy_iqcal_gainparams_nphy() kernel: wifi: ath12k: Fix for out-of bound access error kernel: HID: multitouch: Add NULL check in mt_input_configured kernel: idpf: convert workqueues to unbound kernel: wifi: mac80211: prohibit deactivating all links kernel: rtc: pcf85063: fix potential OOB write in PCF85063 NVMEM read kernel: wifi: rtlwifi: remove unused check_buddy_priv kernel: crypto: tegra - do not transfer req when tegra init fails kernel: ASoC: soc-pcm: don't use soc_pcm_ret() on .prepare callback kernel: bpf: Fix deadlock when freeing cgroup storage kernel: io_uring/sqpoll: zero sqd->thread on tctx errors kernel: sched: sch_cake: add bounds checks to host bulk flow fairness counts kernel: ipvlan: Fix use-after-free in ipvlan_get_iflink(). kernel: io_uring/eventfd: ensure io_eventfd_signal() defers another RCU period kernel: zram: fix potential UAF of zram table kernel: pktgen: Avoid out-of-bounds access in get_imix_entries kernel: cachestat: fix page cache statistics permission checking kernel: mm: zswap: properly synchronize freeing resources during CPU hotunplug kernel: mm: clear uffd-wp PTE/PMD state on mremap() kernel: pfifo_tail_enqueue: Drop new packet when sch->limit == 0 kernel: padata: avoid UAF for reorder_work kernel: padata: fix UAF in padata_reorder kernel: RDMA/mlx5: Fix a race for an ODP MR which leads to CQE with error kernel: ata: libata-sff: Ensure that we cannot write outside the allocated buffer kernel: usbnet: ipheth: fix DPE OoB read kernel: usbnet: ipheth: use static NDP16 location in URB kernel: usbnet: ipheth: fix possible overflow in DPE length check kernel: wifi: brcmfmac: Check the return value of of_property_read_string_index() kernel: openvswitch: use RCU protection in ovs_vport_cmd_fill_info() kernel: ipv6: use RCU protection in ip6_default_advmss() kernel: sched_ext: Fix incorrect autogroup migration detection kernel: ring-buffer: Validate the persistent meta data subbuf array kernel: arm64: cacheinfo: Avoid out-of-bounds write to cacheinfo array kernel: workqueue: Put the pwq after detaching the rescuer from the pool kernel: vxlan: check vxlan_vnigroup_init() return value kernel: vrf: use RCU protection in l3mdev_l3_out() kernel: NFSD: fix hang in nfsd4_shutdown_callback kernel: nfsd: clear acl_access/acl_default after releasing them kernel: netfilter: nf_tables: reject mismatching sum of field_len with set key length kernel: wifi: mac80211: don't flush non-uploaded STAs kernel: io_uring/uring_cmd: unconditionally copy SQEs at prep time kernel: smb: client: Add check for next_buffer in receive_encrypted_standard() kernel: acct: perform last write from workqueue kernel: ASoC: SOF: stream-ipc: Check for cstream nullity in sof_ipc_msg_data() kernel: bpf: Fix softlockup in arena_map_free on 64k page kernel kernel: bpf: avoid holding freeze_mutex during mmap operation kernel: ibmvnic: Don't reference skb after sending to VIOS kernel: net/sched: cls_api: fix error handling causing NULL dereference kernel: mm/migrate_device: don't add folio to be freed to LRU in migrate_device_finalize() kernel: io_uring: prevent opcode speculation kernel: tcp: drop secpath at the same time as we currently drop dst kernel: acpi: typec: ucsi: Introduce a ->poll_cci method kernel: hwpoison, memory_hotplug: lock folio before unmap hwpoisoned folio kernel: netmem: prevent TX of unreadable skbs kernel: fbdev: hyperv_fb: Allow graceful removal of framebuffer kernel: nfsd: put dl_stid if fail to queue dl_recall kernel: netfilter: nft_tunnel: fix geneve_opt type confusion addition kernel: RDMA/mlx5: Fix mlx5_poll_one() cur_qp update flow kernel: RDMA/core: Don't expose hw_counters outside of init net namespace kernel: PCI: Fix NULL dereference in SR-IOV VF creation error path kernel: bonding: check xdp prog when set bond mode kernel: net: Remove RTNL dance for SIOCBRADDIF and SIOCBRDELIF. kernel: idpf: check error for register_netdev() on init kernel: wifi: cfg80211: init wiphy_work before allocating rfkill fails kernel: block: fix adding folio to bio kernel: wifi: ath11k: Clear affinity hint before calling ath11k_pcic_free_irq() in error path kernel: net: ppp: Add bound checking for skb data on ppp_sync_txmung kernel: sched/eevdf: Fix se->slice being set to U64_MAX and resulting crash kernel: KVM: arm64: Tear down vGIC on failed vCPU creation kernel: usb: typec: ucsi: displayport: Fix NULL pointer access kernel: sched_ext: bpf_iter_scx_dsq_new() should always initialize iterator kernel: wifi: mac80211: Set n_channels after allocating struct cfg80211_scan_request kernel: rseq: Fix segfault on registration when rseq_cs is non-zero kernel: wifi: ath12k: fix uaf in ath12k_core_init() kernel: net: phy: mscc: Fix memory leak when using one step timestamping kernel: i40e: fix MMIO write access to an invalid page in i40e_clear_hw kernel: ext4: only dirty folios when data journaling regular files kernel: sched/rt: Fix race in push_rt_task kernel: scsi: smartpqi: Fix smp_processor_id() call trace for preemptible kernels kernel: perf/x86/intel: Fix crash in icl_update_topdown_event() kernel: firmware: cs_dsp: Fix OOB memory read access in KUnit test (wmfw info) kernel: firmware: cs_dsp: Fix OOB memory read access in KUnit test (ctl cache) kernel: scsi: lpfc: Use memcpy() for BIOS version kernel: dmaengine: idxd: Check availability of workqueue allocated by idxd wq driver before using kernel: nfs: Clean up /proc/net/rpc/nfs when nfs_fs_proc_net_init() fails kernel: platform/x86: dell-wmi-sysman: Fix WMI data block retrieval in sysfs callbacks kernel: ASoC: SOF: Intel: hda: Use devm_kstrdup() to avoid memleak. kernel: net/sched: Return NULL when htb_lookup_leaf encounters an empty rbtree kernel: hv_netvsc: Fix panic during namespace deletion with VF kernel: netfs: Fix early read unlock of page with EOF in middle kernel: Linux kernel: Denial of Service in Bluetooth HCI UART driver via null pointer dereference kernel: smb/client: fix memory leak in smb2_open_file()
CVSS v3.1 score: 5.5