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Medium ELSA-2025-21926 1 CVE

Moderate: kernel security update (Oracle Linux 9)

Published Nov 25, 2025 · Updated Nov 25, 2025

Summary

[5.14.0-611.9.1]
- 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]

[5.14.0-611.9.1]
- NFSv4: handle ERR_GRACE on delegation recalls (Olga Kornievskaia) [RHEL-124651]
- nfsd: nfserr_jukebox in nlm_fopen should lead to a retry (Olga Kornievskaia) [RHEL-124651]
- mm: slub: avoid wake up kswapd in set_track_prepare (Audra Mitchell) [RHEL-125521] {CVE-2025-39843}
- slub: Reflow ___slab_alloc() (Audra Mitchell) [RHEL-125521] {CVE-2025-39843}
- nvme-multipath: Skip nr_active increments in RETRY disposition (Ewan D. Milne) [RHEL-123686]

[5.14.0-611.8.1]
- NFSD: Fix callback decoder status codes (Jay Shin) [RHEL-127193]
- NFSD: Fix CB_GETATTR status fix (Jay Shin) [RHEL-127193]
- NFSD: fix decoding in nfs4_xdr_dec_cb_getattr (Jay Shin) [RHEL-127193]
- kernfs: Fix UAF in polling when open file is released (Pavel Reichl) [RHEL-122087] {CVE-2025-39881}
- gitlab-ci: disable automotive pipelines (Scott Weaver)
- NFS: Fix wakeup of __nfs_lookup_revalidate() in unblock_revalidate() (Benjamin Coddington) [RHEL-122154]
- sched: Add wait/wake interface for variable updated under a lock. (Benjamin Coddington) [RHEL-122154]
- sched: Add test_and_clear_wake_up_bit() and atomic_dec_and_wake_up() (Benjamin Coddington) [RHEL-122154]
- sched: Document wait_var_event() family of functions and wake_up_var() (Benjamin Coddington) [RHEL-122154]
- sched: Improve documentation for wake_up_bit/wait_on_bit family of functions (Benjamin Coddington) [RHEL-122154]
- sched: change wake_up_bit() and related function to expect unsigned long * (Benjamin Coddington) [RHEL-122154]
- bpf: Fix metadata_dst leak __bpf_redirect_neigh_v{4,6} [rhel-9.7.z] (Xin Long) [RHEL-125513]
- redhat: use the same cert as UKI's to sign addons (Li Tian) [RHEL-125317]
- i40e: add mask to apply valid bits for itr_idx (Michal Schmidt) [RHEL-123808]
- i40e: add max boundary check for VF filters (Michal Schmidt) [RHEL-123808] {CVE-2025-39968}
- i40e: fix validation of VF state in get resources (Michal Schmidt) [RHEL-123808] {CVE-2025-39969}
- i40e: fix input validation logic for action_meta (Michal Schmidt) [RHEL-123808] {CVE-2025-39970}
- i40e: fix idx validation in config queues msg (Michal Schmidt) [RHEL-123808] {CVE-2025-39971}
- i40e: fix idx validation in i40e_validate_queue_map (Michal Schmidt) [RHEL-123808] {CVE-2025-39972}
- i40e: add validation for ring_len param (Michal Schmidt) [RHEL-123808] {CVE-2025-39973}
- io_uring/waitid: always prune wait queue entry in io_waitid_wait() (CKI Backport Bot) [RHEL-124971] {CVE-2025-40047}
- Bluetooth: hci_event: Fix UAF in hci_conn_tx_dequeue (CKI Backport Bot) [RHEL-124129] {CVE-2025-39983}
- Bluetooth: hci_event: Fix UAF in hci_acl_create_conn_sync (CKI Backport Bot) [RHEL-123821] {CVE-2025-39982}
- use uniform permission checks for all mount propagation changes (Ian Kent) [RHEL-121704] {CVE-2025-38498}
- do_change_type(): refuse to operate on unmounted/not ours mounts (Ian Kent) [RHEL-121704] {CVE-2025-38498}
- KVM: x86/hyper-v: Skip non-canonical addresses during PV TLB flush (Jon Maloy) [RHEL-117136] {CVE-2025-38351}
- ibmveth: Add multi buffers rx replenishment hcall support (Mamatha Inamdar) [RHEL-117438]
- net: ibmveth: Reset the adapter when unexpected states are detected (Mamatha Inamdar) [RHEL-117438]
- NFS: Fix a race when updating an existing write (CKI Backport Bot) [RHEL-113855] {CVE-2025-39697}

[5.14.0-611.7.1]
- The rpminspect.yaml emptyrpm list needs to be expanded (Alexandra Hajkova)
- crypto: xts - Handle EBUSY correctly (Vladis Dronov) [RHEL-119236] {CVE-2023-53494}
- ice: fix NULL access of tx->in_use in ice_ll_ts_intr (Petr Oros) [RHEL-112874]
- ice: fix NULL access of tx->in_use in ice_ptp_ts_irq (Petr Oros) [RHEL-112874]
- ice: fix Rx page leak on multi-buffer frames (Petr Oros) [RHEL-116540]
- xfs: do not propagate ENODATA disk errors into xattr code (Carlos Maiolino) [RHEL-115730]
- ipv6: sr: Fix MAC comparison to be constant-time (CKI Backport Bot) [RHEL-116383] {CVE-2025-39702}
- s390/hypfs: Enable limited access during lockdown (CKI Backport Bot) [RHEL-114434]
- s390/hypfs: Avoid unnecessary ioctl registration in debugfs (CKI Backport Bot) [RHEL-114434]
- vsock/virtio: Validate length in packet header before skb_put() (Jon Maloy) [RHEL-114298] {CVE-2025-39718}

[5.14.0-611.6.1]
- pstore/ram: Check start of empty przs during init (CKI Backport Bot) [RHEL-122068] {CVE-2023-53331}
- ixgbe: fix ixgbe_orom_civd_info struct layout (Michal Schmidt) [RHEL-119074]
- scsi: lpfc: Fix buffer free/clear order in deferred receive path (CKI Backport Bot) [RHEL-119130] {CVE-2025-39841}
- efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare (CKI Backport Bot) [RHEL-118257] {CVE-2025-39817}
- SUNRPC: call xs_sock_process_cmsg for all cmsg (Olga Kornievskaia) [RHEL-110810]
- sunrpc: fix client side handling of tls alerts (Olga Kornievskaia) [RHEL-110810] {CVE-2025-38571}
- smb: client: fix wrong index reference in smb2_compound_op() (Paulo Alcantara) [RHEL-117880]
- smb: client: handle unlink(2) of files open by different clients (Paulo Alcantara) [RHEL-117880]
- smb: client: fix file open check in __cifs_unlink() (Paulo Alcantara) [RHEL-117880]
- smb: client: fix filename matching of deferred files (Paulo Alcantara) [RHEL-117880]
- smb: client: fix data loss due to broken rename(2) (Paulo Alcantara) [RHEL-117880]
- smb: client: fix compound alignment with encryption (Paulo Alcantara) [RHEL-117880]
- fs/smb: Fix inconsistent refcnt update (Paulo Alcantara) [RHEL-117880] {CVE-2025-39819}
- sunrpc: fix handling

Fixed packages 29

ReleasePackageFixed in
Oracle Linux · 9 kernel 0:5.14.0-611.9.1.el9_7
Oracle Linux · 9 kernel-abi-stablelists 0:5.14.0-611.9.1.el9_7
Oracle Linux · 9 kernel-core 0:5.14.0-611.9.1.el9_7
Oracle Linux · 9 kernel-cross-headers 0:5.14.0-611.9.1.el9_7
Oracle Linux · 9 kernel-debug 0:5.14.0-611.9.1.el9_7
Oracle Linux · 9 kernel-debug-core 0:5.14.0-611.9.1.el9_7
Oracle Linux · 9 kernel-debug-devel 0:5.14.0-611.9.1.el9_7
Oracle Linux · 9 kernel-debug-devel-matched 0:5.14.0-611.9.1.el9_7
Oracle Linux · 9 kernel-debug-modules 0:5.14.0-611.9.1.el9_7
Oracle Linux · 9 kernel-debug-modules-core 0:5.14.0-611.9.1.el9_7
Oracle Linux · 9 kernel-debug-modules-extra 0:5.14.0-611.9.1.el9_7
Oracle Linux · 9 kernel-debug-uki-virt 0:5.14.0-611.9.1.el9_7
Oracle Linux · 9 kernel-devel 0:5.14.0-611.9.1.el9_7
Oracle Linux · 9 kernel-devel-matched 0:5.14.0-611.9.1.el9_7
Oracle Linux · 9 kernel-doc 0:5.14.0-611.9.1.el9_7
Oracle Linux · 9 kernel-headers 0:5.14.0-611.9.1.el9_7
Oracle Linux · 9 kernel-modules 0:5.14.0-611.9.1.el9_7
Oracle Linux · 9 kernel-modules-core 0:5.14.0-611.9.1.el9_7
Oracle Linux · 9 kernel-modules-extra 0:5.14.0-611.9.1.el9_7
Oracle Linux · 9 kernel-tools 0:5.14.0-611.9.1.el9_7
Oracle Linux · 9 kernel-tools-libs 0:5.14.0-611.9.1.el9_7
Oracle Linux · 9 kernel-tools-libs-devel 0:5.14.0-611.9.1.el9_7
Oracle Linux · 9 kernel-uki-virt 0:5.14.0-611.9.1.el9_7
Oracle Linux · 9 kernel-uki-virt-addons 0:5.14.0-611.9.1.el9_7
Oracle Linux · 9 libperf 0:5.14.0-611.9.1.el9_7
Oracle Linux · 9 perf 0:5.14.0-611.9.1.el9_7
Oracle Linux · 9 python3-perf 0:5.14.0-611.9.1.el9_7
Oracle Linux · 9 rtla 0:5.14.0-611.9.1.el9_7
Oracle Linux · 9 rv 0:5.14.0-611.9.1.el9_7

Vulnerabilities 1

  • Unscored —

    mm: slub: avoid wake up kswapd in set_track_prepare

    In the Linux kernel, the following vulnerability has been resolved: mm: slub: avoid wake up kswapd in set_track_prepare set_track_prepare() can incur lock recursion. The issue is that it is called from hrtimer_start_range_ns holding the per_cpu(hrtimer_bases)…