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High 1 exploited CVE ELSA-2026-19568 17 CVEs

Important: kernel security update (Oracle Linux 9)

Published Jun 29, 2026 · Updated Jun 29, 2026

Summary

[5.14.0-687.17.1]
- Disable UKI signing [Orabug: 36571828]
- Update Oracle Linux certificates (Kevin Lyons)
- Disable signing for aarch64 (Ilya Okomin)
- Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list (olkmod_signing_key.pem) [Orabug: 29539237]
- Update x509.genkey [Orabug: 24817676]
- Conflict with shim-ia32 and shim-x64 <= 15.3-1.0.5]
- Remove upstream reference during boot (Kevin Lyons) [Orabug: 34729535]
- Add Oracle Linux IMA certificates
- Add new Oracle Linux Driver Signing (key 1) certificate [Orabug: 37985764]

[5.14.0-687.17.1]
- net/sched: fix pedit partial COW leading to page cache corruption (Ivan Vecera) [RHEL-177392] {CVE-2026-46331}
- gitlab-ci: use rhel9.8 builder image (Michael Krausch-Hofmann)
- rbd: eliminate a race in lock_dwork draining on unmap (CKI Backport Bot) [RHEL-183130]
- scsi: qla2xxx: Completely fix fcport double free (Ewan D. Milne) [RHEL-179754] {CVE-2026-43414}
- nvmet-tcp: fix race between ICReq handling and queue teardown (Chris Leech) [RHEL-180102] {CVE-2026-46135}
- RDMA/mana: Remove user triggerable WARN_ON() in mana_ib_create_qp_rss() (CKI Backport Bot) [RHEL-180158] {CVE-2026-46117}
- exit: prevent preemption of oopsing TASK_DEAD task (CKI Backport Bot) [RHEL-180016] {CVE-2026-46173}
- ALSA: usb-audio: Add sanity check for OOB writes at silencing (CKI Backport Bot) [RHEL-173941] {CVE-2026-43279}

[5.14.0-687.16.1]
- s390/mm: Add missing secure storage access fixups for donated memory (Jan Polensky) [RHEL-183317]
- ibmveth: Disable GSO for packets with small MSS (Mamatha Inamdar) [RHEL-178308]
- s390/ap: Expose ap_bindings_complete_count counter via sysfs (Jan Polensky) [RHEL-166048]
- gfs2: Fix use-after-free in iomap inline data write path (Andrew Price) [RHEL-179589] {CVE-2026-45984}
- gfs2: Add metapath_dibh helper (Andrew Price) [RHEL-179589] {CVE-2026-45984}
- bnxt_en: Fix RSS context delete logic (CKI Backport Bot) [RHEL-180308] {CVE-2026-43260}
- wifi: mac80211: remove station if connection prep fails (CKI Backport Bot) [RHEL-180121] {CVE-2026-46125}
- RDMA/mana: Validate rx_hash_key_len (CKI Backport Bot) [RHEL-180085] {CVE-2026-46145}
- wifi: mac80211: drop stray 'static' from fast-RX rx_result (CKI Backport Bot) [RHEL-180057] {CVE-2026-46152}
- wifi: mac80211: use safe list iteration in radar detect work (CKI Backport Bot) [RHEL-180025] {CVE-2026-46166}
- Bluetooth: hci_event: fix potential UAF in SSP passkey handlers (CKI Backport Bot) [RHEL-179359] {CVE-2026-46056}
- ice: Fix NULL pointer dereference in ice_vsi_set_napi_queues (CKI Backport Bot) [RHEL-175699]
- mptcp: fix slab-use-after-free in __inet_lookup_established (Davide Caratti) [RHEL-171506] {CVE-2026-31669}
- dpll: zl3073x: report FFO as DPLL vs input reference offset (Ivan Vecera) [RHEL-175823]
- dpll: add fractional frequency offset to pin-parent-device (Ivan Vecera) [RHEL-175823]
- dpll: zl3073x: implement pin operational state reporting (Ivan Vecera) [RHEL-175820]
- dpll: add pin operational state (Ivan Vecera) [RHEL-175820]
- can: isotp: fix tx.buf use-after-free in isotp_sendmsg() (CKI Backport Bot) [RHEL-175525] {CVE-2026-31474}
- Bluetooth: hci_sync: fix stack buffer overflow in hci_le_big_create_sync (CKI Backport Bot) [RHEL-172858] {CVE-2026-31772}
- xen/privcmd: fix double free via VMA splitting (CKI Backport Bot) [RHEL-172488] {CVE-2026-31787}

[5.14.0-687.15.1]
- ip6_tunnel: clear skb2->cb[] in ip4ip6_err() (Guillaume Nault) [RHEL-172646] {CVE-2026-43037}
- net: openvswitch: Avoid releasing netdev before teardown completes (CKI Backport Bot) [RHEL-170539] {CVE-2026-31508}

[5.14.0-687.14.1]
- RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event() (Kamal Heib) [RHEL-179988] {CVE-2026-46181}
- redhat: Remove the mlx5 symbols from kabi (Kamal Heib) [RHEL-181822]
- ipv6: rpl: reserve mac_len headroom when recompressed SRH grows (Antoine Tenart) [RHEL-178408] {CVE-2026-43501}
- RDMA/rxe: Fix double free in rxe_srq_from_init (CKI Backport Bot) [RHEL-179712] {CVE-2026-45852}
- netfilter: ctnetlink: ensure safe access to master conntrack (Florian Westphal) [RHEL-173843] {CVE-2026-43116}
- ice: fix stats array overflow when VF requests more queues (Michal Schmidt) [RHEL-177526]
- ice: set max queues in alloc_etherdev_mqs() (Michal Schmidt) [RHEL-174336]
- ice: use netif_get_num_default_rss_queues() (Michal Schmidt) [RHEL-174336]
- ice: set default rss queues num to physical cores / 2 (Michal Schmidt) [RHEL-174336]
- dlm: fix buffer overflow from negative len in dlm_search_rsb_tree (Alexander Aring) [RHEL-173993] {CVE-2026-43125}
- dlm: validate length in dlm_search_rsb_tree (Alexander Aring) [RHEL-173993] {CVE-2026-43125}
- dpll: zl3073x: add ref-sync pair support (Ivan Vecera) [RHEL-167273]
- dpll: zl3073x: add ref sync and output clock type helpers (Ivan Vecera) [RHEL-167273]
- dpll: zl3073x: use FIELD_MODIFY() for clear-and-set patterns (Ivan Vecera) [RHEL-167273]
- dpll: zl3073x: clean up esync get/set and use zl3073x_out_is_ndiv() (Ivan Vecera) [RHEL-167273]
- dpll: zl3073x: implement frequency monitoring (Ivan Vecera) [RHEL-167833]
- dpll: add frequency monitoring callback ops (Ivan Vecera) [RHEL-167833]
- dpll: add frequency monitoring to netlink spec (Ivan Vecera) [RHEL-167833]
- dpll: zl3073x: drop selected and simplify connected ref getter (Ivan Vecera) [RHEL-172938]
- dpll: zl3073x: add reference priority to zl3073x_chan (Ivan Vecera) [RHEL-172938]
- dpll: zl3073x: add DPLL channel status fields to zl3073x_chan (Ivan Vecera) [RHEL-172938]
- dpll: zl3073x: introduce zl3073x_chan for DPLL channel state (Ivan Vecera) [RHEL-172938]
- dpll: zl3073x: add zl3073x_ref_state_update helper (Ivan Vecera) [RHEL-172938]
- dpll: zl3073x: use struct_group to partition states (Ivan Vecera) [RHEL-172938]
- dpll: zl3073x: add die temperature reporting for supported chips (Ivan Vecera) [RHEL-172938]
- dpll: zl3073x: detect DPLL channel count from chip ID at runtime (Ivan Vecera) [RHEL-172938]
- ALSA: 6fire: fix use-after-free on disconnect (CKI Backpor

Fixed packages 29

ReleasePackageFixed in
Oracle Linux · 9 kernel 0:5.14.0-687.17.1.el9_8
Oracle Linux · 9 kernel-abi-stablelists 0:5.14.0-687.17.1.el9_8
Oracle Linux · 9 kernel-core 0:5.14.0-687.17.1.el9_8
Oracle Linux · 9 kernel-cross-headers 0:5.14.0-687.17.1.el9_8
Oracle Linux · 9 kernel-debug 0:5.14.0-687.17.1.el9_8
Oracle Linux · 9 kernel-debug-core 0:5.14.0-687.17.1.el9_8
Oracle Linux · 9 kernel-debug-devel 0:5.14.0-687.17.1.el9_8
Oracle Linux · 9 kernel-debug-devel-matched 0:5.14.0-687.17.1.el9_8
Oracle Linux · 9 kernel-debug-modules 0:5.14.0-687.17.1.el9_8
Oracle Linux · 9 kernel-debug-modules-core 0:5.14.0-687.17.1.el9_8
Oracle Linux · 9 kernel-debug-modules-extra 0:5.14.0-687.17.1.el9_8
Oracle Linux · 9 kernel-debug-uki-virt 0:5.14.0-687.17.1.el9_8
Oracle Linux · 9 kernel-devel 0:5.14.0-687.17.1.el9_8
Oracle Linux · 9 kernel-devel-matched 0:5.14.0-687.17.1.el9_8
Oracle Linux · 9 kernel-doc 0:5.14.0-687.17.1.el9_8
Oracle Linux · 9 kernel-headers 0:5.14.0-687.17.1.el9_8
Oracle Linux · 9 kernel-modules 0:5.14.0-687.17.1.el9_8
Oracle Linux · 9 kernel-modules-core 0:5.14.0-687.17.1.el9_8
Oracle Linux · 9 kernel-modules-extra 0:5.14.0-687.17.1.el9_8
Oracle Linux · 9 kernel-tools 0:5.14.0-687.17.1.el9_8
Oracle Linux · 9 kernel-tools-libs 0:5.14.0-687.17.1.el9_8
Oracle Linux · 9 kernel-tools-libs-devel 0:5.14.0-687.17.1.el9_8
Oracle Linux · 9 kernel-uki-virt 0:5.14.0-687.17.1.el9_8
Oracle Linux · 9 kernel-uki-virt-addons 0:5.14.0-687.17.1.el9_8
Oracle Linux · 9 libperf 0:5.14.0-687.17.1.el9_8
Oracle Linux · 9 perf 0:5.14.0-687.17.1.el9_8
Oracle Linux · 9 python3-perf 0:5.14.0-687.17.1.el9_8
Oracle Linux · 9 rtla 0:5.14.0-687.17.1.el9_8
Oracle Linux · 9 rv 0:5.14.0-687.17.1.el9_8

Vulnerabilities 17

  • High 7.8
    CVE-2026-46300 Exploited Public exploit EPSS 16%

    net: skbuff: preserve shared-frag marker during coalescing

    In the Linux kernel, the following vulnerability has been resolved: net: skbuff: preserve shared-frag marker during coalescing skb_try_coalesce() can attach paged frags from @from to @to. If @from has SKBFL_SHARED_FRAG set, the resulting @to skb can contain t…

    KEV Oct 28, 2026
  • Critical 9.8

    scsi: qla2xxx: Fix improper freeing of purex item

    In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix improper freeing of purex item In qla2xxx_process_purls_iocb(), an item is allocated via qla27xx_copy_multiple_pkt(), which internally calls qla24xx_alloc_purex_item(). The…

  • Critical 9.8

    libceph: prevent potential out-of-bounds reads in handle_auth_done()

    In the Linux kernel, the following vulnerability has been resolved: libceph: prevent potential out-of-bounds reads in handle_auth_done() Perform an explicit bounds check on payload_len to avoid a possible out-of-bounds access in the callout. [ idryomov: chang…

  • Critical 9.8
    CVE-2026-31402 Public exploit

    nfsd: fix heap overflow in NFSv4.0 LOCK replay cache

    In the Linux kernel, the following vulnerability has been resolved: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache The NFSv4.0 replay cache uses a fixed 112-byte inline buffer (rp_ibuf[NFSD4_REPLAY_ISIZE]) to store encoded operation responses. This size…

  • Critical 9.8

    usbip: validate number_of_packets in usbip_pack_ret_submit()

    In the Linux kernel, the following vulnerability has been resolved: usbip: validate number_of_packets in usbip_pack_ret_submit() When a USB/IP client receives a RET_SUBMIT response, usbip_pack_ret_submit() unconditionally overwrites urb->number_of_packets fro…

  • Critical 9.1

    libceph: make decode_pool() more resilient against corrupted osdmaps

    In the Linux kernel, the following vulnerability has been resolved: libceph: make decode_pool() more resilient against corrupted osdmaps If the osdmap is (maliciously) corrupted such that the encoded length of ceph_pg_pool envelope is less than what is expect…

  • High 8.8
    CVE-2026-43284 Public exploit EPSS 94%

    xfrm: esp: avoid in-place decrypt on shared skb frags

    In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags MSG_SPLICE_PAGES can attach pages from a pipe directly to an skb. TCP marks such skbs with SKBFL_SHARED_FRAG after skb_splice_from_iter()…

  • High 8.1

    KVM: x86/mmu: Drop/zap existing present SPTE even when creating an MMIO SPTE

    In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Drop/zap existing present SPTE even when creating an MMIO SPTE When installing an emulated MMIO SPTE, do so *after* dropping/zapping the existing SPTE (if it's shadow-present). …

  • High 7.8

    net/sched: Only allow act_ct to bind to clsact/ingress qdiscs and shared blocks

    In the Linux kernel, the following vulnerability has been resolved: net/sched: Only allow act_ct to bind to clsact/ingress qdiscs and shared blocks As Paolo said earlier [1]: "Since the blamed commit below, classify can return TC_ACT_CONSUMED while the curren…

  • High 7.8

    can: raw: fix ro->uniq use-after-free in raw_rcv()

    In the Linux kernel, the following vulnerability has been resolved: can: raw: fix ro->uniq use-after-free in raw_rcv() raw_release() unregisters raw CAN receive filters via can_rx_unregister(), but receiver deletion is deferred with call_rcu(). This leaves a …

  • High 7.8

    RDMA/umem: Fix double dma_buf_unpin in failure path

    In the Linux kernel, the following vulnerability has been resolved: RDMA/umem: Fix double dma_buf_unpin in failure path In ib_umem_dmabuf_get_pinned_with_dma_device(), the call to ib_umem_dmabuf_map_pages() can fail. If this occurs, the dmabuf is immediately …

  • High 7.5

    libceph: replace overzealous BUG_ON in osdmap_apply_incremental()

    In the Linux kernel, the following vulnerability has been resolved: libceph: replace overzealous BUG_ON in osdmap_apply_incremental() If the osdmap is (maliciously) corrupted such that the incremental osdmap epoch is different from what is expected, there is …

  • High 7.5

    libceph: reset sparse-read state in osd_fault()

    In the Linux kernel, the following vulnerability has been resolved: libceph: reset sparse-read state in osd_fault() When a fault occurs, the connection is abandoned, reestablished, and any pending operations are retried. The OSD client tracks the progress of …

  • High 7.1

    net/sched: cls_u32: use skb_header_pointer_careful()

    In the Linux kernel, the following vulnerability has been resolved: net/sched: cls_u32: use skb_header_pointer_careful() skb_header_pointer() does not fully validate negative @offset values. Use skb_header_pointer_careful() instead. GangMin Kim provided a rep…

  • High 7.1
    CVE-2026-46333 Public exploit

    ptrace: slightly saner 'get_dumpable()' logic

    In the Linux kernel, the following vulnerability has been resolved: ptrace: slightly saner 'get_dumpable()' logic The 'dumpability' of a task is fundamentally about the memory image of the task - the concept comes from whether it can core dump or not - and ma…

  • Unscored —

    net/sched: Make cake_enqueue return NET_XMIT_CN when past buffer_limit

    In the Linux kernel, the following vulnerability has been resolved: net/sched: Make cake_enqueue return NET_XMIT_CN when past buffer_limit The following setup can trigger a WARNING in htb_activate due to the condition: !cl->leaf.q->q.qlen tc qdisc del dev lo …

  • Unscored —

    md/bitmap: fix GPF in write_page caused by resize race

    In the Linux kernel, the following vulnerability has been resolved: md/bitmap: fix GPF in write_page caused by resize race A General Protection Fault occurs in write_page() during array resize: RIP: 0010:write_page+0x22b/0x3c0 [md_mod] This is a use-after-fre…