ALSA-2025:20095

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: xen: Xen hypercall page unsafe against speculative attacks (Xen Security Advisory 466) (CVE-2024-53241)
• kernel: exfat: fix out-of-bounds access of directory entries (CVE-2024-53147)
• kernel: zram: fix NULL pointer in compalgorithmshow() (CVE-2024-53222)
• kernel: nfsd: release svcexpkey/svcexport with rcu_work (CVE-2024-53216)
• kernel: acpi: nfit: vmalloc-out-of-bounds Read in acpinfitctl (CVE-2024-56662)
• kernel: bpf: Fix UAF via mismatching bpf_prog/attachment RCU flavors (CVE-2024-56675)
• kernel: crypto: pcrypt - Call crypto layer directly when padatadoparallel() return -EBUSY (CVE-2024-56690)
• kernel: igb: Fix potential invalid memory access in igbinitmodule() (CVE-2024-52332)
• kernel: afpacket: fix vlangetprotocoldgram() vs MSG_PEEK (CVE-2024-57901)
• kernel: afpacket: fix vlangettci() vs MSGPEEK (CVE-2024-57902)
• kernel: io_uring/sqpoll: zero sqd->thread on tctx errors (CVE-2025-21633)
• kernel: ipvlan: Fix use-after-free in ipvlangetiflink(). (CVE-2025-21652)
• kernel: sched: sch_cake: add bounds checks to host bulk flow fairness counts (CVE-2025-21647)
• kernel: iouring/eventfd: ensure ioeventfd_signal() defers another RCU period (CVE-2025-21655)
• kernel: netfs: Fix the (non-)cancellation of copy when cache is temporarily disabled (CVE-2024-57941)
• kernel: netfs: Fix ceph copy to cache on write-begin (CVE-2024-57942)
• kernel: zram: fix potential UAF of zram table (CVE-2025-21671)
• kernel: pktgen: Avoid out-of-bounds access in getimixentries (CVE-2025-21680)
• kernel: mm: zswap: properly synchronize freeing resources during CPU hotunplug (CVE-2025-21693)
• kernel: cachestat: fix page cache statistics permission checking (CVE-2025-21691)
• kernel: mm: clear uffd-wp PTE/PMD state on mremap() (CVE-2025-21696)
• kernel: pfifotailenqueue: Drop new packet when sch->limit == 0 (CVE-2025-21702)
• kernel: RDMA/mlx5: Fix a race for an ODP MR which leads to CQE with error (CVE-2025-21732)
• kernel: NFSD: fix hang in nfsd4shutdowncallback (CVE-2025-21795)
• kernel: NFS: Fix potential buffer overflowin nfssysfslinkrpcclient() (CVE-2024-54456)
• kernel: Bluetooth: btrtl: check for NULL in btrtlsetuprealtek() (CVE-2024-57987)
• kernel: wifi: brcmsmac: add gain range check to wlcphyiqcalgainparamsnphy() (CVE-2024-58014)
• kernel: Bluetooth: btbcm: Fix NULL deref in btbcmgetboard_name() (CVE-2024-57988)
• kernel: drm/xe/tracing: Fix a potential TP_printk UAF (CVE-2024-49570)
• kernel: media: intel/ipu6: remove cpu latency qos request on error (CVE-2024-58004)
• kernel: usbnet: ipheth: use static NDP16 location in URB (CVE-2025-21742)
• kernel: usbnet: ipheth: fix possible overflow in DPE length check (CVE-2025-21743)
• kernel: wifi: mt76: mt7925: fix NULL deref check in mt7925changevif_links (CVE-2024-57989)
• kernel: wifi: ath12k: Fix for out-of bound access error (CVE-2024-58015)
• kernel: wifi: ath12k: fix read pointer after free in ath12kmacassignvifto_vdev() (CVE-2024-57995)
• kernel: nfsd: clear aclaccess/acldefault after releasing them (CVE-2025-21796)
• kernel: workqueue: Put the pwq after detaching the rescuer from the pool (CVE-2025-21786)
• kernel: tpm: Change to kvalloc() in eventlog/acpi.c (CVE-2024-58005)
• kernel: Bluetooth: MGMT: Fix slab-use-after-free Read in mgmtremoveadvmonitorsync (CVE-2024-58013)
• kernel: ring-buffer: Validate the persistent meta data subbuf array (CVE-2025-21777)
• kernel: ata: libata-sff: Ensure that we cannot write outside the allocated buffer (CVE-2025-21738)
• kernel: HID: core: Fix assumption that Resolution Multipliers must be in Logical Collections (CVE-2024-57986)
• kernel: padata: avoid UAF for reorder_work (CVE-2025-21726)
• kernel: vrf: use RCU protection in l3mdevl3out() (CVE-2025-21791)
• kernel: HID: multitouch: Add NULL check in mtinputconfigured (CVE-2024-58020)
• kernel: i3c: dw: Fix use-after-free in dwi3cmaster driver due to race condition (CVE-2024-57984)
• kernel: openvswitch: use RCU protection in ovsvportcmdfillinfo() (CVE-2025-21761)
• kernel: sched_ext: Fix incorrect autogroup migration detection (CVE-2025-21771)
• kernel: usb: xhci: Fix NULL pointer dereference on certain command aborts (CVE-2024-57981)
• kernel: memcg: fix soft lockup in the OOM process (CVE-2024-57977)
• kernel: vxlan: check vxlanvnigroupinit() return value (CVE-2025-21790)
• kernel: usbnet: ipheth: fix DPE OoB read (CVE-2025-21741)
• kernel: arm64: cacheinfo: Avoid out-of-bounds write to cacheinfo array (CVE-2025-21785)
• kernel: ipv6: use RCU protection in ip6defaultadvmss() (CVE-2025-21765)
• kernel: PCI: dwc: ep: Prevent changing BAR size/flags in pciepcset_bar() (CVE-2024-58006)
• kernel: ASoC: SOF: Intel: hda-dai: Ensure DAI widget is valid during params (CVE-2024-58012)
• kernel: wifi: brcmfmac: Check the return value of ofpropertyreadstringindex() (CVE-2025-21750)
• kernel: wifi: rtlwifi: remove unused checkbuddypriv (CVE-2024-58072)
• kernel: rtc: pcf85063: fix potential OOB write in PCF85063 NVMEM read (CVE-2024-58069)
• kernel: wifi: mac80211: prohibit deactivating all links (CVE-2024-58061)
• kernel: idpf: convert workqueues to unbound (CVE-2024-58057)
• kernel: wifi: mac80211: don't flush non-uploaded STAs (CVE-2025-21828)
• kernel: netfilter: nftables: reject mismatching sum of fieldlen with set key length (CVE-2025-21826)
• kernel: ASoC: soc-pcm: don't use socpcmret() on .prepare callback (CVE-2024-58077)
• kernel: crypto: tegra - do not transfer req when tegra init fails (CVE-2024-58075)
• kernel: iouring/uringcmd: unconditionally copy SQEs at prep time (CVE-2025-21837)
• kernel: information leak via transient execution vulnerability in some AMD processors (CVE-2024-36350)
• kernel: transient execution vulnerability in some AMD processors (CVE-2024-36357)
• kernel: net/sched: cls_api: fix error handling causing NULL dereference (CVE-2025-21857)
• kernel: bpf: Fix softlockup in arenamapfree on 64k page kernel (CVE-2025-21851)
• kernel: ibmvnic: Don't reference skb after sending to VIOS (CVE-2025-21855)
• kernel: smb: client: Add check for nextbuffer in receiveencrypted_standard() (CVE-2025-21844)
• kernel: bpf: avoid holding freeze_mutex during mmap operation (CVE-2025-21853)
• kernel: ASoC: SOF: stream-ipc: Check for cstream nullity in sofipcmsg_data() (CVE-2025-21847)
• kernel: tcp: drop secpath at the same time as we currently drop dst (CVE-2025-21864)
• kernel: bpf: Fix deadlock when freeing cgroup storage (CVE-2024-58088)
• kernel: acct: perform last write from workqueue (CVE-2025-21846)
• kernel: mm/migratedevice: don't add folio to be freed to LRU in migratedevice_finalize() (CVE-2025-21861)
• kernel: io_uring: prevent opcode speculation (CVE-2025-21863)
• kernel: fbdev: hyperv_fb: Allow graceful removal of framebuffer (CVE-2025-21976)
• kernel: netfilter: nfttunnel: fix geneveopt type confusion addition (CVE-2025-22056)
• kernel: net: ppp: Add bound checking for skb data on pppsynctxmung (CVE-2025-37749)
• microcode_ctl: From CVEorg collector (CVE-2024-28956)
• kernel: usb: typec: ucsi: displayport: Fix NULL pointer access (CVE-2025-37994)
• kernel: wifi: ath12k: fix uaf in ath12kcoreinit() (CVE-2025-38116)
• kernel: platform/x86: dell-wmi-sysman: Fix WMI data block retrieval in sysfs callbacks (CVE-2025-38412)
• kernel: dmaengine: idxd: Check availability of workqueue allocated by idxd wq driver before using (CVE-2025-38369)
• kernel: net/sched: Return NULL when htblookupleaf encounters an empty rbtree (CVE-2025-38468)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.