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Medium ELSA-2025-9580 4 CVEs

Moderate: kernel security update (Oracle Linux 8)

Published Jun 25, 2025 · Updated Jun 25, 2025

Summary

[4.18.0-553.58.1_10.OL8]
- 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 <= 15.3-1.0.3
- Remove upstream reference during boot (Kevin Lyons) [Orabug: 34750652]
- Add new Oracle Linux Driver Signing (key 1) certificate [Orabug: 37985772]

[4.18.0-553.58.1_10]
- ndisc: use RCU protection in ndisc_alloc_skb() (Xin Long) [RHEL-89535] {CVE-2025-21764}
- ipv6: use RCU protection in ip6_default_advmss() (Xin Long) [RHEL-89535] {CVE-2025-21765}
- net: add dev_net_rcu() helper (Xin Long) [RHEL-89535] {CVE-2025-21765}
- net: treat possible_net_t net pointer as an RCU one and add read_pnet_rcu() (Xin Long) [RHEL-89535]
- idpf: check error for register_netdev() on init (Michal Schmidt) [RHEL-71182] {CVE-2025-22116}
- idpf: avoid mailbox timeout delays during reset (Michal Schmidt) [RHEL-71182]
- idpf: fix a race in txq wakeup (Michal Schmidt) [RHEL-71182]
- idpf: fix idpf_vport_splitq_napi_poll() (Michal Schmidt) [RHEL-71182]
- idpf: fix null-ptr-deref in idpf_features_check (Michal Schmidt) [RHEL-71182]
- idpf: protect shutdown from reset (Michal Schmidt) [RHEL-71182]
- idpf: fix potential memory leak on kcalloc() failure (Michal Schmidt) [RHEL-71182]
- idpf: fix offloads support for encapsulated packets (Michal Schmidt) [RHEL-71182]
- idpf: fix adapter NULL pointer dereference on reboot (Michal Schmidt) [RHEL-71182] {CVE-2025-22065}
- idpf: fix checksums set in idpf_rx_rsc() (Michal Schmidt) [RHEL-71182] {CVE-2025-21890}
- idpf: fix handling rsc packet with a single segment (Michal Schmidt) [RHEL-71182]
- idpf: add more info during virtchnl transaction timeout/salt mismatch (Michal Schmidt) [RHEL-71182]
- idpf: convert workqueues to unbound (Michal Schmidt) [RHEL-71182] {CVE-2024-58057}
- idpf: Acquire the lock before accessing the xn->salt (Michal Schmidt) [RHEL-71182]
- idpf: fix transaction timeouts on reset (Michal Schmidt) [RHEL-71182]
- idpf: add read memory barrier when checking descriptor done bit (Michal Schmidt) [RHEL-71182]
- idpf: deinit virtchnl transaction manager after vport and vectors (Michal Schmidt) [RHEL-71182]
- idpf: use actual mbx receive payload length (Michal Schmidt) [RHEL-71182]
- idpf: call set_real_num_queues in idpf_open (Michal Schmidt) [RHEL-71182 RHEL-90849]
- idpf: fix idpf_vc_core_init error path (Michal Schmidt) [RHEL-68233 RHEL-71182 RHEL-90846] {CVE-2024-53064}
- idpf: avoid vport access in idpf_get_link_ksettings (Michal Schmidt) [RHEL-71182 RHEL-90846] {CVE-2024-50274}
- idpf: fix netdev Tx queue stop/wake (Michal Schmidt) [RHEL-71182]
- idpf: fix UAFs when destroying the queues (Michal Schmidt) [RHEL-71182] {CVE-2024-44932}
- idpf: fix memleak in vport interrupt configuration (Michal Schmidt) [RHEL-71182]
- idpf: fix memory leaks and crashes while performing a soft reset (Michal Schmidt) [RHEL-71182] {CVE-2024-44964}
- idpf: compile singleq code only under default-n CONFIG_IDPF_SINGLEQ (Michal Schmidt) [RHEL-71182]
- redhat/configs: set CONFIG_IDPF_SINGLEQ as disabled (Michal Schmidt) [RHEL-71182]
- idpf: merge singleq and splitq &net_device_ops (Michal Schmidt) [RHEL-71182]
- idpf: avoid bloating &idpf_q_vector with big %NR_CPUS (Michal Schmidt) [RHEL-71182]
- idpf: split &idpf_queue into 4 strictly-typed queue structures (Michal Schmidt) [RHEL-71182]
- idpf: remove legacy Page Pool Ethtool stats (Michal Schmidt) [RHEL-71182]
- net: remove gfp_mask from napi_alloc_skb() [idpf] (Michal Schmidt) [RHEL-71182]
- idpf: stop using macros for accessing queue descriptors (Michal Schmidt) [RHEL-71182]
- idpf: don't enable NAPI and interrupts prior to allocating Rx buffers (Michal Schmidt) [RHEL-71182]
- idpf: Interpret .set_channels() input differently (Michal Schmidt) [RHEL-71182]
- idpf: make virtchnl2.h self-contained (Michal Schmidt) [RHEL-71182]
- s390/pci: Serialize device addition and removal (Mete Durlu) [RHEL-95783]
- s390/pci: Allow re-add of a reserved but not yet removed device (Mete Durlu) [RHEL-95783]
- s390/pci: Prevent self deletion in disable_slot() (Mete Durlu) [RHEL-95783]
- s390/pci: Remove redundant bus removal and disable from zpci_release_device() (Mete Durlu) [RHEL-95783]
- s390/pci: Fix duplicate pci_dev_put() in disable_slot() when PF has child VFs (Mete Durlu) [RHEL-95783]
- s390/pci: Fix missing check for zpci_create_device() error return (Mete Durlu) [RHEL-95783]
- s390/pci: Fix potential double remove of hotplug slot (Mete Durlu) [RHEL-95783]
- s390/pci: remove hotplug slot when releasing the device (Mete Durlu) [RHEL-95783]
- s390/pci: introduce lock to synchronize state of zpci_dev's (Mete Durlu) [RHEL-95783]
- s390/pci: rename lock member in struct zpci_dev (Mete Durlu) [RHEL-95783]

[4.18.0-553.57.1_10]
- smb: client: fix warning in cifs_smb3_do_mount() (Paulo Alcantara) [RHEL-55825]
- cifs: fix double free race when mount fails in cifs_get_root() (Paulo Alcantara) [RHEL-55825] {CVE-2022-48919}
- security/keys: fix slab-out-of-bounds in key_task_permission (CKI Backport Bot) [RHEL-68090] {CVE-2024-50301}

Fixed packages 20

ReleasePackageFixed in
Oracle Linux · 8 bpftool 0:4.18.0-553.58.1.el8_10
Oracle Linux · 8 kernel 0:4.18.0-553.58.1.el8_10
Oracle Linux · 8 kernel-abi-stablelists 0:4.18.0-553.58.1.el8_10
Oracle Linux · 8 kernel-core 0:4.18.0-553.58.1.el8_10
Oracle Linux · 8 kernel-cross-headers 0:4.18.0-553.58.1.el8_10
Oracle Linux · 8 kernel-debug 0:4.18.0-553.58.1.el8_10
Oracle Linux · 8 kernel-debug-core 0:4.18.0-553.58.1.el8_10
Oracle Linux · 8 kernel-debug-devel 0:4.18.0-553.58.1.el8_10
Oracle Linux · 8 kernel-debug-modules 0:4.18.0-553.58.1.el8_10
Oracle Linux · 8 kernel-debug-modules-extra 0:4.18.0-553.58.1.el8_10
Oracle Linux · 8 kernel-devel 0:4.18.0-553.58.1.el8_10
Oracle Linux · 8 kernel-doc 0:4.18.0-553.58.1.el8_10
Oracle Linux · 8 kernel-headers 0:4.18.0-553.58.1.el8_10
Oracle Linux · 8 kernel-modules 0:4.18.0-553.58.1.el8_10
Oracle Linux · 8 kernel-modules-extra 0:4.18.0-553.58.1.el8_10
Oracle Linux · 8 kernel-tools 0:4.18.0-553.58.1.el8_10
Oracle Linux · 8 kernel-tools-libs 0:4.18.0-553.58.1.el8_10
Oracle Linux · 8 kernel-tools-libs-devel 0:4.18.0-553.58.1.el8_10
Oracle Linux · 8 perf 0:4.18.0-553.58.1.el8_10
Oracle Linux · 8 python3-perf 0:4.18.0-553.58.1.el8_10

Vulnerabilities 4

  • High 8.8

    cifs: fix double free race when mount fails in cifs_get_root()

    In the Linux kernel, the following vulnerability has been resolved: cifs: fix double free race when mount fails in cifs_get_root() When cifs_get_root() fails during cifs_smb3_do_mount() we call deactivate_locked_super() which eventually will call delayed_free…

  • High 7.8

    security/keys: fix slab-out-of-bounds in key_task_permission

    In the Linux kernel, the following vulnerability has been resolved: security/keys: fix slab-out-of-bounds in key_task_permission KASAN reports an out of bounds read: BUG: KASAN: slab-out-of-bounds in __kuid_val include/linux/uidgid.h:36 BUG: KASAN: slab-out-o…

  • High 7.8

    ndisc: use RCU protection in ndisc_alloc_skb()

    In the Linux kernel, the following vulnerability has been resolved: ndisc: use RCU protection in ndisc_alloc_skb() ndisc_alloc_skb() can be called without RTNL or RCU being held. Add RCU protection to avoid possible UAF.

  • Medium 5.5

    idpf: fix idpf_vc_core_init error path

    In the Linux kernel, the following vulnerability has been resolved: idpf: fix idpf_vc_core_init error path In an event where the platform running the device control plane is rebooted, reset is detected on the driver. It releases all the resources and waits fo…