Summary
[4.18.0-553.171.1]
- 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]
[4.18.0-553.171.1]
- nvme/ioctl: check SUBMIT_IO with CAP_SYS_ADMIN (Chris Leech) [RHEL-269479] {CVE-2026-90227}
- s390/topology: Use zero-based numbering for containing entities (Jan Polensky) [RHEL-252199]
- s390/vfio_ccw: Implement a crw lock (Jan Polensky) [RHEL-252194]
- s390/vfio_ccw: Selectively expand io_mutex (Jan Polensky) [RHEL-252194]
- s390/vfio_ccw: Cancel existing workqueues (Jan Polensky) [RHEL-252194]
- s390/vfio_ccw: Ensure index for read/write regions are within range (Jan Polensky) [RHEL-252194]
- s390/vfio_ccw: Calculate idal length based on idaw type (Jan Polensky) [RHEL-252194]
- s390/vfio_ccw: Ensure first IDAW remains constant (Jan Polensky) [RHEL-252194]
- s390/vfio_ccw: Fix out of bounds check on CCW array (Jan Polensky) [RHEL-252194]
- s390/vfio_ccw: Limit the number of channel program segments (Jan Polensky) [RHEL-252194]
- s390/vfio_ccw: Free all memory if cp_init() fails (Jan Polensky) [RHEL-252194]
- nvme-pci: fix mempool alloc size (Maurizio Lombardi) [RHEL-230386] {CVE-2022-50756}
- nvme-pci: use max of PRP or SGL for iod size (Maurizio Lombardi) [RHEL-230386] {CVE-2022-50756}
- nvme: add missing SRCU grace period in error path (CKI Backport Bot) [RHEL-270894] {CVE-2026-89972}
- netfilter: nf_conntrack: use get_unaligned_be32() in tcp_sack() (CKI Backport Bot) [RHEL-270661] {CVE-2026-97417}
- crypto: af_alg - Cap AEAD AD length to 0x80000000 (Pablo Alessandro Santos Hugen) [RHEL-259055] {CVE-2026-52972}
- vlan: fix skb_under_panic and races when toggling HW VLAN offload (Jamie Bainbridge) [RHEL-254254]
- macvlan: inherit needed_headroom and needed_tailroom from lowerdev (Jamie Bainbridge) [RHEL-254254]
- ipvlan: inherit needed_headroom and needed_tailroom from phy_dev (Jamie Bainbridge) [RHEL-254254] {CVE-2026-74744}
- vxlan: require CAP_NET_ADMIN in the device netns for changelink (Jamie Bainbridge) [RHEL-238885] {CVE-2026-68432}
- tunnels: do not assume transport header in iptunnel_pmtud_check_icmp() (Jamie Bainbridge) [RHEL-230777] {CVE-2026-63992}
- net: ip6_gre: require CAP_NET_ADMIN in the device netns for changelink (Jamie Bainbridge) [RHEL-247003] {CVE-2026-72052}
- net: ip_gre: require CAP_NET_ADMIN in the device netns for changelink (Jamie Bainbridge) [RHEL-247023] {CVE-2026-63829}
- net: ip_gre: Accept IFLA_INFO_DATA-less configuration (Jamie Bainbridge) [RHEL-247023]
- net: ip_gre: Separate ERSPAN newlink / changelink callbacks (Jamie Bainbridge) [RHEL-247023]
- tunnels: load network headers after skb_cow() in iptunnel_pmtud_build_icmp[v6]() (Jamie Bainbridge) [RHEL-259654] {CVE-2026-63994}
- NFSD: Force all NFSv4.2 COPY requests to be synchronous (Roberto Bergantinos Corpas) [RHEL-266661]
- nvme-tcp: fix host memory disclosure on R2T for a read command (CKI Backport Bot) [RHEL-263413] {CVE-2026-89481}
- netfilter: nf_conntrack_sip: widen NAT rewrite delta to s32 in sip_help_tcp() (CKI Backport Bot) [RHEL-260589] {CVE-2026-74569}
- KVM: s390: vsie: zero stale crypto bits (CKI Backport Bot) [RHEL-258125] {CVE-2026-80921}
- net/mlx5: Fix slab-out-of-bounds in mlx5_query_nic_vport_mac_list (Mohammad Heib) [RHEL-225698] {CVE-2026-53230}
- ipvs: clear IPv4 options after rebasing tunnel ICMP errors (Phil Sutter) [RHEL-254393] {CVE-2026-74669}
- ipvs: ensure inner headers in ICMP errors are in headroom (Phil Sutter) [RHEL-254393]
- KVM: SVM: Update x2APIC MSR intercepts if AVIC is inhibited while L2 is active (CKI Backport Bot) [RHEL-254507] {CVE-2026-74516}
- netfilter: nf_queue: pin bridge device while NFQUEUE holds fake dst (CKI Backport Bot) [RHEL-252413] {CVE-2026-72255}
- netfilter: flowtable: publish GC-visible tuple last (CKI Backport Bot) [RHEL-250542] {CVE-2026-74746}
- RDMA/bnxt_re: Prevent handling any completions after qp destroy (Kamal Heib) [RHEL-231374] {CVE-2023-54048}
- gfs2: add some missing log locking (Andrew Price) [RHEL-230306] {CVE-2026-53049}
- gfs2: Move gfs2_remove_from_journal to log.c (Andrew Price) [RHEL-230306] {CVE-2026-53049}
- gfs2: Fix unlikely race in gdlm_put_lock (CKI Backport Bot) [RHEL-231267] {CVE-2025-40242}
- gfs2: Unlock fewer glocks on unmount (CKI Backport Bot) [RHEL-231267] {CVE-2025-40242}
- media: tuner: xc5000: Fix use-after-free in xc5000_release (Kate Hsuan) [RHEL-231646] {CVE-2025-39994}
- media: tunner: xc5000: Refactor firmware load (Kate Hsuan) [RHEL-231646]
- net/sched: act_ct: Only release RCU read lock after ct_ft (Ivan Vecera) [RHEL-229652] {CVE-2026-46319}
- sched: act_ct: take care of padding in struct zones_ht_key (Ivan Vecera) [RHEL-229652] {CVE-2026-46319}
- sched: act_ct: add netns into the key of tcf_ct_flow_table (Ivan Vecera) [RHEL-229652] {CVE-2026-46319}
- RDMA/uverbs: Validate wqe_size before using it in ib_uverbs_post_send (CKI Backport Bot) [RHEL-232580] {CVE-2026-45856}
- gfs2: Fix slab-use-after-free in qd_put (CKI Backport Bot) [RHEL-227251] {CVE-2026-45861}
- net/sched: qfq: Use cl_is_active to determine whether class is active in qfq_rm_from_ag (CKI Backport Bot) [RHEL-226861] {CVE-2026-23105}
- net_sched: qfq: Fix double list add in class with netem as child qdisc (CKI Backport Bot) [RHEL-226861] {CVE-2026-23105}
- ipvs: clear the svc scheduler ptr early on edit (CKI Backport Bot) [RHEL-225976] {CVE-2026-53270}
- KVM: SVM: Fix page overflow in sev_dbg_crypt() for ENCRYPT path (CKI Backport Bot) [RHEL-214936] {CVE-2026-63794}
Fixed packages 20
| Release | Package | Fixed in |
|---|---|---|
| Oracle Linux · 8 | bpftool | 0:4.18.0-553.171.1.el8_10 |
| Oracle Linux · 8 | kernel | 0:4.18.0-553.171.1.el8_10 |
| Oracle Linux · 8 | kernel-abi-stablelists | 0:4.18.0-553.171.1.el8_10 |
| Oracle Linux · 8 | kernel-core | 0:4.18.0-553.171.1.el8_10 |
| Oracle Linux · 8 | kernel-cross-headers | 0:4.18.0-553.171.1.el8_10 |
| Oracle Linux · 8 | kernel-debug | 0:4.18.0-553.171.1.el8_10 |
| Oracle Linux · 8 | kernel-debug-core | 0:4.18.0-553.171.1.el8_10 |
| Oracle Linux · 8 | kernel-debug-devel | 0:4.18.0-553.171.1.el8_10 |
| Oracle Linux · 8 | kernel-debug-modules | 0:4.18.0-553.171.1.el8_10 |
| Oracle Linux · 8 | kernel-debug-modules-extra | 0:4.18.0-553.171.1.el8_10 |
| Oracle Linux · 8 | kernel-devel | 0:4.18.0-553.171.1.el8_10 |
| Oracle Linux · 8 | kernel-doc | 0:4.18.0-553.171.1.el8_10 |
| Oracle Linux · 8 | kernel-headers | 0:4.18.0-553.171.1.el8_10 |
| Oracle Linux · 8 | kernel-modules | 0:4.18.0-553.171.1.el8_10 |
| Oracle Linux · 8 | kernel-modules-extra | 0:4.18.0-553.171.1.el8_10 |
| Oracle Linux · 8 | kernel-tools | 0:4.18.0-553.171.1.el8_10 |
| Oracle Linux · 8 | kernel-tools-libs | 0:4.18.0-553.171.1.el8_10 |
| Oracle Linux · 8 | kernel-tools-libs-devel | 0:4.18.0-553.171.1.el8_10 |
| Oracle Linux · 8 | perf | 0:4.18.0-553.171.1.el8_10 |
| Oracle Linux · 8 | python3-perf | 0:4.18.0-553.171.1.el8_10 |
Vulnerabilities 29
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Critical 9.8
gfs2: add some missing log locking
In the Linux kernel, the following vulnerability has been resolved: gfs2: add some missing log locking Function gfs2_logd() calls the log flushing functions gfs2_ail1_start(), gfs2_ail1_wait(), and gfs2_ail1_empty() without holding sdp->sd_log_flush_lock, but…
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Critical 9.8
tunnels: load network headers after skb_cow() in iptunnel_pmtud_build_icmp[v6]()
In the Linux kernel, the following vulnerability has been resolved: tunnels: load network headers after skb_cow() in iptunnel_pmtud_build_icmp[v6]() Sashiko found that iptunnel_pmtud_build_icmp() and iptunnel_pmtud_build_icmpv6() were caching ip_hdr() and ipv…
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Critical 9.8
netfilter: nf_conntrack_sip: widen NAT rewrite delta to s32 in sip_help_tcp()
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack_sip: widen NAT rewrite delta to s32 in sip_help_tcp() sip_help_tcp() stores the size change of each NAT-rewritten SIP message in s16 diff and accumulates it in s16 tdi…
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Critical 9.8
ipvs: clear IPv4 options after rebasing tunnel ICMP errors
In the Linux kernel, the following vulnerability has been resolved: ipvs: clear IPv4 options after rebasing tunnel ICMP errors ip_vs_in_icmp() rebases an skb from the outer ICMP packet to the quoted original request before passing it to icmp_send(). However, …
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Critical 9.8
ipvlan: inherit needed_headroom and needed_tailroom from phy_dev
In the Linux kernel, the following vulnerability has been resolved: ipvlan: inherit needed_headroom and needed_tailroom from phy_dev ipvlan devices inherit hard_header_len from phy_dev during ipvlan_init(), but leave needed_headroom and needed_tailroom set to…
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Critical 9.8
netfilter: flowtable: publish GC-visible tuple last
In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: publish GC-visible tuple last nf_flow_table_iterate() only treats original-direction tuple nodes as owning entries. Publishing the original node first lets GC observe an…
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Critical 9.8
nvme: add missing SRCU grace period in error path
In the Linux kernel, the following vulnerability has been resolved: nvme: add missing SRCU grace period in error path nvme_alloc_ns() error path at out_unlink_ns removes ns from the namespace head siblings list with list_del_rcu(&ns->siblings) but does not wa…
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Critical 9.1
tunnels: do not assume transport header in iptunnel_pmtud_check_icmp()
In the Linux kernel, the following vulnerability has been resolved: tunnels: do not assume transport header in iptunnel_pmtud_check_icmp() In some cases, iptunnel_pmtud_check_icmp() can be called while skb transport header is not set. This triggers an out-of-…
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High 8.8
net: ip_gre: require CAP_NET_ADMIN in the device netns for changelink
In the Linux kernel, the following vulnerability has been resolved: net: ip_gre: require CAP_NET_ADMIN in the device netns for changelink A tunnel changelink() operates on at most two netns, dev_net(dev) and the tunnel link netns t->net. They differ once the …
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High 8.8
vxlan: require CAP_NET_ADMIN in the device netns for changelink
In the Linux kernel, the following vulnerability has been resolved: vxlan: require CAP_NET_ADMIN in the device netns for changelink A tunnel changelink() operates on at most two netns, dev_net(dev) and the sticky underlay netns vxlan->net. They differ once th…
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High 8.8
net: ip6_gre: require CAP_NET_ADMIN in the device netns for changelink
In the Linux kernel, the following vulnerability has been resolved: net: ip6_gre: require CAP_NET_ADMIN in the device netns for changelink ip6gre_changelink() and ip6erspan_changelink() operate on at most two netns, dev_net(dev) and the tunnel link netns t->n…
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High 8.8
KVM: s390: vsie: zero stale crypto bits
In the Linux kernel, the following vulnerability has been resolved: KVM: s390: vsie: zero stale crypto bits When shadowing crypto access bits from a format0 apcb (crycb 0 or 1), the bits 64..255 are unchanged from whatever is in the vsie page in the crycb and…
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High 8.7
net/mlx5: Fix slab-out-of-bounds in mlx5_query_nic_vport_mac_list
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix slab-out-of-bounds in mlx5_query_nic_vport_mac_list mlx5_query_nic_vport_mac_list() sizes its firmware command buffer using the PF's log_max_current_uc/mc_list capabilities. Whe…
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High 8.2
KVM: SVM: Update x2APIC MSR intercepts if AVIC is inhibited while L2 is active
In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Update x2APIC MSR intercepts if AVIC is inhibited while L2 is active Always update x2APIC MSR intercepts for L1 when AVIC is deactivated, even if L2 is active and KVM is using a sep…
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High 7.8
nvme-pci: fix mempool alloc size
In the Linux kernel, the following vulnerability has been resolved: nvme-pci: fix mempool alloc size Convert the max size to bytes to match the units of the divisor that calculates the worst-case number of PRP entries. The result is used to determine how many…
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High 7.8
RDMA/bnxt_re: Prevent handling any completions after qp destroy
In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxt_re: Prevent handling any completions after qp destroy HW may generate completions that indicates QP is destroyed. Driver should not be scheduling any more completion handlers for th…
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High 7.8
net/sched: qfq: Use cl_is_active to determine whether class is active in qfq_rm_from_ag
In the Linux kernel, the following vulnerability has been resolved: net/sched: qfq: Use cl_is_active to determine whether class is active in qfq_rm_from_ag This is more of a preventive patch to make the code more consistent and to prevent possible exploits th…
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High 7.8
gfs2: Fix slab-use-after-free in qd_put
In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix slab-use-after-free in qd_put Commit a475c5dd16e5 ("gfs2: Free quota data objects synchronously") started freeing quota data objects during filesystem shutdown instead of putting th…
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High 7.8
net/sched: act_ct: Only release RCU read lock after ct_ft
In the Linux kernel, the following vulnerability has been resolved: net/sched: act_ct: Only release RCU read lock after ct_ft When looking up a flow table in act_ct in tcf_ct_flow_table_get(), rhashtable_lookup_fast() internally opens and closes an RCU read c…
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High 7.8
ipvs: clear the svc scheduler ptr early on edit
In the Linux kernel, the following vulnerability has been resolved: ipvs: clear the svc scheduler ptr early on edit ip_vs_edit_service() while unbinding the old scheduler clears the svc->scheduler ptr after the scheduler module initiates RCU callbacks. This c…
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High 7.8
netfilter: nf_queue: pin bridge device while NFQUEUE holds fake dst
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_queue: pin bridge device while NFQUEUE holds fake dst The br_netfilter fake rtable is embedded in struct net_bridge and is attached to bridged packets with skb_dst_set_noref(). …
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High 7.8
nvme/ioctl: check SUBMIT_IO with nvme_cmd_allowed()
In the Linux kernel, the following vulnerability has been resolved: nvme/ioctl: check SUBMIT_IO with nvme_cmd_allowed() Unlike IO_CMD / IO64_CMD, NVME_IOCTL_SUBMIT_IO never calls nvme_cmd_allowed(). Unprivileged callers can thus issue I/O on a partition devic…
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High 7.5
nvme-tcp: fix host memory disclosure on R2T for a read command
In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: fix host memory disclosure on R2T for a read command nvme_tcp_handle_r2t() does not check the direction of the request the R2T refers to. A malicious controller can send an R2T for …
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High 7.5
netfilter: nf_conntrack: use get_unaligned_be32() in tcp_sack()
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack: use get_unaligned_be32() in tcp_sack() The timestamp-only fast path dereferences the option stream as *(__be32 *)ptr, which assumes 4-byte alignment that the TCP opti…
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High 7.3
media: tuner: xc5000: Fix use-after-free in xc5000_release
In the Linux kernel, the following vulnerability has been resolved: media: tuner: xc5000: Fix use-after-free in xc5000_release The original code uses cancel_delayed_work() in xc5000_release(), which does not guarantee that the delayed work item timer_sleep ha…
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High 7.1
RDMA/uverbs: Validate wqe_size before using it in ib_uverbs_post_send
In the Linux kernel, the following vulnerability has been resolved: RDMA/uverbs: Validate wqe_size before using it in ib_uverbs_post_send ib_uverbs_post_send() uses cmd.wqe_size from userspace without any validation before passing it to kmalloc() and using th…
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High 7.0
gfs2: Fix unlikely race in gdlm_put_lock
In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix unlikely race in gdlm_put_lock In gdlm_put_lock(), there is a small window of time in which the DFL_UNMOUNT flag has been set but the lockspace hasn't been released, yet. In that wi…
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High 7.0
crypto: af_alg - Cap AEAD AD length to 0x80000000
In the Linux kernel, the following vulnerability has been resolved: crypto: af_alg - Cap AEAD AD length to 0x80000000 In order to prevent arithmetic overflows when checking the TX buffer size, cap the associated data length to 0x80000000.
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Unscored —
KVM: SVM: Fix page overflow in sev_dbg_crypt() for ENCRYPT path
In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Fix page overflow in sev_dbg_crypt() for ENCRYPT path In sev_dbg_crypt(), the per-iteration transfer length is bounded by the source page offset (PAGE_SIZE - s_off) but not by the d…