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ELSA-2026-500247

ELSA-2026-500247 - Unbreakable Enterprise kernel security update

Type:SECURITY
Impact:IMPORTANT
Release Date:2026-09-04

Description


[5.4.17-2136.359.3.1]
- inet: frags: strip GSO state from fragments before reassembly (Xinyang Ge) [Orabug: 39974845] {CVE-2026-80590}

[5.4.17-2136.359.3]
- Partial revert of 'x86/alternatives: Optimize optimize_nops()' (Harshit Mogalapalli) [Orabug: 39866546]
- Revert 'x86/alternatives: Add alt_instr.flags' (Harshit Mogalapalli) [Orabug: 39866546]
- x86/bugs: Make Safe-RET robust against interrupt injection (Borislav Petkov (AMD)) [Orabug: 39784513] {CVE-2026-68480}
- x86/alternatives: Disable interrupts and sync when optimizing NOPs in place (Thomas Gleixner) [Orabug: 39784513]
- x86/alternative: Support relocations in alternatives (Peter Zijlstra) [Orabug: 39784513]
- x86/alternative: Make debug-alternative selective (Peter Zijlstra) [Orabug: 39784513]
- x86/alternatives: Add alt_instr.flags (Borislav Petkov (AMD)) [Orabug: 39784513]
- x86/asm: Provide ALTERNATIVE_3 (Peter Zijlstra) [Orabug: 39784513]
- x86/alternative: Optimize single-byte NOPs at an arbitrary position (Borislav Petkov) [Orabug: 39784513]
- x86/alternative: Align insn bytes vertically (Borislav Petkov) [Orabug: 39784513]
(H. Peter Anvin (Intel)) [Orabug: 39784513]
- x86/alternatives: Optimize optimize_nops() (Peter Zijlstra) [Orabug: 39784513]
- x86: Add insn_decode_kernel() (Peter Zijlstra) [Orabug: 39784513]
- x86/insn: Add an insn_decode() API (Borislav Petkov) [Orabug: 39784513]
- x86/alternative: Use ALTERNATIVE_TERNARY() in _static_cpu_has() (Juergen Gross) [Orabug: 39784513]
- x86/alternative: Support ALTERNATIVE_TERNARY (Juergen Gross) [Orabug: 39784513]
- x86/alternative: Merge include files (Juergen Gross) [Orabug: 39784513]
- x86/alternative: Drop unused feature parameter from ALTINSTR_REPLACEMENT() (Juergen Gross) [Orabug: 39784513]
- x86/insn: Support big endian cross-compiles (Martin Schwidefsky) [Orabug: 39784513]
- x86/tools: Use tools headers for instruction decoder selftests (Vasily Gorbik) [Orabug: 39784513]
- tools headers: Get tools's linux/compiler.h closer to the kernel's (Arnaldo Carvalho de Melo) [Orabug: 39784513]
- perf build: Allow nested externs to enable BUILD_BUG() usage (Vasily Gorbik) [Orabug: 39784513]
- objtool: Allow nested externs to enable BUILD_BUG() (Vasily Gorbik) [Orabug: 39784513]
- objtool: Make relocation in alternative handling arch dependent (Julien Thierry) [Orabug: 39784513]
- x86/alternatives: Add pr_fmt() to debug macros (Borislav Petkov) [Orabug: 39784513]
- tools headers: Adopt verbatim copy of compiletime_assert() from kernel sources (Arnaldo Carvalho de Melo) [Orabug: 39784513]
- x86/alternatives: Teach text_poke_bp() to emulate instructions (Peter Zijlstra) [Orabug: 39784513]
- tools headers: Synchronize linux/bits.h with the kernel sources (Arnaldo Carvalho de Melo) [Orabug: 39784513]
- net/rds: restrict RDS_INFO dumps to caller netns (Praveen Kumar Kannoju) [Orabug: 39681637]

[5.4.17-2136.359.2]
- net: tap: set skb->dev before parsing virtio net header in tap_get_user_xdp() (Dongli Zhang) [Orabug: 39558751]
- rds: tcp: fix uninit-value in __inet_bind (Tabrez Ahmed) [Orabug: 39668203]
- rds: tcp: cleanup if kmem_cache_alloc fails in rds_tcp_conn_alloc() (Sowmini Varadhan) [Orabug: 39668203]
- net/rds: harden rds_rm_size (Manjunath Patil) [Orabug: 39812534]
- rds: ib: move gc_count reset before free_percpu (Manjunath Patil) [Orabug: 39818510]
- rds: fix lfstack_pop_all sequence reset (Manjunath Patil) [Orabug: 39818510]

[5.4.17-2136.359.1]
- KVM: arm64: Make nVHE ASLR conditional on RANDOMIZE_BASE (David Brazdil) [Orabug: 39374251]
- arm64: kvm: Fix IDMAP overlap with HYP VA (Russell King) [Orabug: 39374251]
- arm64: KVM: Invoke compute_layout() before alternatives are applied (Sebastian Andrzej Siewior) [Orabug: 39374251]
- ocfs2: fix possible deadlock between unlink and dio_end_io_write (Joseph Qi) [Orabug: 39273589] {CVE-2026-31598}
- fs/ocfs2: fix comments mentioning i_mutex (hongnanli) [Orabug: 39273589]
- xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete (Michal Kosiorek) [Orabug: 39460235] {CVE-2026-46116}
- net/rds: zero per-item info buffer before handing it to visitors (Michael Bommarito) [Orabug: 39638198] {CVE-2026-52995}
- uek: kabi: update x86_64 kABI files for a new symbol (Saeed Mirzamohammadi) [Orabug: 39651636]
- IB/rxe: use rxe_drop_ref to release rxe_pd (Wengang Wang) [Orabug: 39674348]
- IB/uverbs: enhance authorization checks for ib_uverbs_share_pd() (Wengang Wang) [Orabug: 39674348]
- fs/binfmt_elf: validate reserved VA ELF notes (Jianfeng Wang) [Orabug: 39681044]
- mm: preserve page-table boundaries for reserved VA mappings (Jianfeng Wang) [Orabug: 39681044]
- mm: enforce max_map_count for reserved VA mappings (Jianfeng Wang) [Orabug: 39681044]
- xen/ovmapi: terminate values passed to xenbus_write (Joe Jin) [Orabug: 39726701]
- xen/ovmapi: free queued events on release (Joe Jin) [Orabug: 39726701]
- xen/ovmapi: prevent duplicate app registration (Joe Jin) [Orabug: 39726701]
- xen/ovmapi: avoid raw user pointer access in get_next_event (Joe Jin) [Orabug: 39726701]
- xen/ovmapi: reject oversized posted event payloads (Joe Jin) [Orabug: 39726701]
- rds: Prevent kernel-infoleak in rds_notify_queue_get() (Peilin Ye) [Orabug: 39772651]
- rds: do not leak kernel memory to user land (Eric Dumazet) [Orabug: 39772651]

[5.4.17-2136.358.2]
- xfs: resample the data fork mapping after cycling ILOCK (Darrick J. Wong) [Orabug: 39776792] {CVE-2026-64600}
- net: Work around Marvell NIC TX stalls (Venkat Venkatsubra) [Orabug: 39765820]

[5.4.17-2136.358.1]
- KVM: x86: Fix shadow paging use-after-free due to unexpected role (Paolo Bonzini) [Orabug: 39673871] {CVE-2026-53359}
- KVM: x86: Fix shadow paging use-after-free due to unexpected GFN (Sean Christopherson) [Orabug: 39673871] {CVE-2026-46113}
- KVM: x86/MMU: Recursively zap nested TDP SPs when zapping last/only parent (Ben Gardon) [Orabug: 39673871]
- KVM: x86/mmu: Move flush logic from mmu_page_zap_pte() to FNAME(invlpg) (Sean Christopherson) [Orabug: 39673871]
- KVM: x86/mmu: pull call to drop_large_spte() into __link_shadow_page() (Paolo Bonzini) [Orabug: 39673871]
- KVM: x86/mmu: Passing up the error state of mmu_alloc_shadow_roots() (Like Xu) [Orabug: 39673871]
- KVM: MMU: load PDPTRs outside mmu_lock (Paolo Bonzini) [Orabug: 39673871]
- KVM: x86/mmu: Check PDPTRs before allocating PAE roots (Sean Christopherson) [Orabug: 39673871]
- KVM: x86/mmu: Always pass 0 for @quadrant when gptes are 8 bytes (David Matlack) [Orabug: 39673871]
- KVM: x86/mmu: Derive shadow MMU page role from parent (David Matlack) [Orabug: 39673871]
- KVM: X86: Remove useless code to set role.gpte_is_8_bytes when role.direct (Lai Jiangshan) [Orabug: 39673871]
- KVM: X86: Synchronize the shadow pagetable before link it (Lai Jiangshan) [Orabug: 39673871]
- KVM: X86: Fix missed remote tlb flush in rmap_write_protect() (Lai Jiangshan) [Orabug: 39673871]
- KVM: x86/mmu: Refactor shadow walk in __direct_map() to reduce indentation (Sean Christopherson) [Orabug: 39673871]
- KVM: x86/mmu: Stop passing 'direct' to mmu_alloc_root() (David Matlack) [Orabug: 39673871]
- KVM: x86/mmu: Use a bool for direct (David Matlack) [Orabug: 39673871]
- kvm: mmu: Replace unsigned with unsigned int for PTE access (Ben Gardon) [Orabug: 39673871]
- KVM: x86/mmu: Ensure MMU pages are available when allocating roots (Sean Christopherson) [Orabug: 39673871]
- KVM: x86/mmu: Allocate pae_root and lm_root pages in dedicated helper (Sean Christopherson) [Orabug: 39673871]
- KVM: x86/mmu: Allocate the lm_root before allocating PAE roots (Sean Christopherson) [Orabug: 39673871]
- KVM: x86/mmu: Capture 'mmu' in a local variable when allocating roots (Sean Christopherson) [Orabug: 39673871]
- KVM: x86/mmu: Alloc page for PDPTEs when shadowing 32-bit NPT with 64-bit (Sean Christopherson) [Orabug: 39673871]
- KVM: x86/mmu: Stash 'kvm' in a local variable in kvm_mmu_free_roots() (Sean Christopherson) [Orabug: 39673871]
- KVM: x86/mmu: Add a helper to consolidate root sp allocation (Sean Christopherson) [Orabug: 39673871]
- Revert 'net/rds: poll eq during user-reset' (Praveen Kumar Kannoju) [Orabug: 39659401]
- net/sched: act_pedit: fix action bind logic (Pedro Tammela) [Orabug: 39567287]
- net/sched: act_pedit: free pedit keys on bail from offset check (Pedro Tammela) [Orabug: 39567287]
- net/sched: fix pedit partial COW leading to page cache corruption (Rajat Gupta) [Orabug: 39567287] {CVE-2026-46331}
- net/sched: act_pedit: Parse L3 Header for L4 offset (Max Tottenham) [Orabug: 39567287]
- net/sched: act_pedit: rate limit datapath messages (Pedro Tammela) [Orabug: 39567287]
- net/sched: act_pedit: check static offsets a priori (Pedro Tammela) [Orabug: 39567287]
- net/sched: act_pedit: remove extra check for key type (Pedro Tammela) [Orabug: 39567287]
- net/sched: simplify tcf_pedit_act (Pedro Tammela) [Orabug: 39567287]
- net/sched: transition act_pedit to rcu and percpu stats (Pedro Tammela) [Orabug: 39567287]
- net/sched: act_pedit: use NLA_POLICY for parsing 'ex' keys (Pedro Tammela) [Orabug: 39567287]
- RDMA/rxe: Validate pad and ICRC before payload_size() in rxe_rcv (hkbinbin) [Orabug: 39452261] {CVE-2026-46043}
- locking/rtmutex: Skip remove_waiter() when waiter is not enqueued (Davidlohr Bueso) [Orabug: 39426001] {CVE-2026-53163}
- rtmutex: Use waiter::task instead of current in remove_waiter() (Keenan Dong) [Orabug: 39426001] {CVE-2026-43499}
- ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach() (Eric Dumazet) [Orabug: 39300930] {CVE-2026-43038}
- tracing/events: Expand global buffer for in-kernel event enables (Manjunath Patil) [Orabug: 38790406]
- net/mlx5: poll mlx5 eq during irq migration (Praveen Kumar Kannoju) [Orabug: 38776184]

[5.4.17-2136.357.3]
- net: skbuff: fix missing zerocopy reference in pskb_carve helpers (Minh Nguyen) [Orabug: 39619389] {CVE-2026-52943}

[5.4.17-2136.357.2]
- net: fix fanout UAF in packet_release() via NETDEV_UP race (Yochai Eisenrich) [Orabug: 39250953] {CVE-2026-31504}
- x86/kaslr: Recognize all ZONE_DEVICE users as physaddr consumers (Dan Williams) [Orabug: 39429802]
- x86/kaslr: Reduce KASLR entropy on most x86 systems (Balbir Singh) [Orabug: 39429802]
- net: tap: NULL pointer derefence in dev_parse_header_protocol when skb->dev is null (Cezar Bulinaru) [Orabug: 39526882] {CVE-2022-50073}
- arm64: errata: Mitigate TLBI errata on various Arm CPUs (Mark Rutland) [Orabug: 39548666] {CVE-2025-10263} {CVE-2026-53354}
- arm64: tlb: Add ARM64_WORKAROUND_REPEAT_TLBI_SYNC (Mark Rutland) [Orabug: 39548666]
- ARM: uek: Disable CONFIG_QCOM_FALKOR_ERRATUM_1003 (Boris Ostrovsky) [Orabug: 39548666]
- arm64: tlb: allow XZR argument to TLBI ops (Mark Rutland) [Orabug: 39548666]
- arm64: cputype: Add C1-Premium definitions (Mark Rutland) [Orabug: 39548666]
- arm64: cputype: Add C1-Ultra definitions (Mark Rutland) [Orabug: 39548666]
- ip6_tunnel: clear skb2->cb[] in ip4ip6_err() (Eric Dumazet) [Orabug: 39300926] {CVE-2026-43037}

[5.4.17-2136.357.1]
- batman-adv: hold claim backbone gateways by reference (Haoze Xie) [Orabug: 39262375] {CVE-2026-31657}
- scsi: fcoe: Reject FIP descriptors with zero fip_dlen in CVL walker (Michael Bommarito) [Orabug: 39446045] {CVE-2026-63890}
- scsi: target: iscsi: Fix CRC overread and double-free in iscsit_handle_text_cmd() (Michael Bommarito) [Orabug: 39446045] {CVE-2026-63888}
- scsi: target: iscsi: Bound iscsi_encode_text_output() appends to rsp_buf (Michael Bommarito) [Orabug: 39446045] {CVE-2026-63887}
- rds: Drop rds conn in connect worker if not in down state. (Rohit Nair) [Orabug: 39152239]

[5.4.17-2136.356.4.1]
- smb: client: reject userspace cifs.spnego descriptions (Asim Viladi Oglu Manizada) [Orabug: 39463669] {CVE-2026-46243}


Related CVEs


CVE-2026-80590

Updated Packages


Release/ArchitectureFilenamesha256Superseded By AdvisoryChannel Label
Oracle Linux 7 (x86_64) kernel-uek-5.4.17-2136.359.3.1.el7uek.src.rpm6d65e595b1d450fca3fd19627c8d3322c5b37ec0f9fc7eec4808ff93142d6a7b-ol7_x86_64_UEKR6_ELS
kernel-uek-5.4.17-2136.359.3.1.el7uek.x86_64.rpm996ef0000e875102fe0aa74a5c87db06a28a1a0530a7a32f0b3f381ce60692fa-ol7_x86_64_UEKR6_ELS
kernel-uek-container-5.4.17-2136.359.3.1.el7uek.x86_64.rpma3104c19e5f7e195beb26cd94720b347069924121bc7698501a9f4d206135663-ol7_x86_64_UEKR6_ELS
kernel-uek-container-debug-5.4.17-2136.359.3.1.el7uek.x86_64.rpmabad5fcc41ff68a54a619d98aef111863ca9062f4703e5b3882ce5fac8b2e901-ol7_x86_64_UEKR6_ELS
kernel-uek-debug-5.4.17-2136.359.3.1.el7uek.x86_64.rpma822838a9bde7aba9a58e3cec68e7548436ab81c161bee43e8cfbe48e2e42052-ol7_x86_64_UEKR6_ELS
kernel-uek-debug-devel-5.4.17-2136.359.3.1.el7uek.x86_64.rpmf00f07f862bc8a33fa281bb8a34c8fc6beefc57f5832259bb27acf322bf7a442-ol7_x86_64_UEKR6_ELS
kernel-uek-devel-5.4.17-2136.359.3.1.el7uek.x86_64.rpme8e3a13f7677f542f75716863bb6dd1554c893b10a4fabd432e43a31e514c662-ol7_x86_64_UEKR6_ELS
kernel-uek-doc-5.4.17-2136.359.3.1.el7uek.noarch.rpma01a60cadb91d8cab4cf95bbda2e1ea3b7b7fa9558fc22c6ed393d5367e95962-ol7_x86_64_UEKR6_ELS
kernel-uek-tools-5.4.17-2136.359.3.1.el7uek.x86_64.rpmc05f757f5d582773b942ef22edc9e42913ccc9b09cdb4eca276910b6b018a157-ol7_x86_64_UEKR6_ELS
Oracle Linux 8 (aarch64) kernel-uek-5.4.17-2136.359.3.1.el8uek.src.rpmb61ad94e1f703eabf7920a08ca4a22ce31f2fa5ca8a4404509166d5a362b9dfe-ol8_aarch64_baseos_latest
kernel-uek-5.4.17-2136.359.3.1.el8uek.src.rpmb61ad94e1f703eabf7920a08ca4a22ce31f2fa5ca8a4404509166d5a362b9dfe-ol8_aarch64_u10_baseos_patch
kernel-uek-5.4.17-2136.359.3.1.el8uek.aarch64.rpm1a2b07fbc6098cd5e634bbd13208bf8da2c91828b90c6b49b0e6ebd8bf81d8f6-ol8_aarch64_baseos_latest
kernel-uek-5.4.17-2136.359.3.1.el8uek.aarch64.rpm1a2b07fbc6098cd5e634bbd13208bf8da2c91828b90c6b49b0e6ebd8bf81d8f6-ol8_aarch64_u10_baseos_patch
kernel-uek-debug-5.4.17-2136.359.3.1.el8uek.aarch64.rpme9ad1a200e96ff6ad149f38979e4e0fa65f33e1c4a046efdcd4d128b77ead038-ol8_aarch64_baseos_latest
kernel-uek-debug-5.4.17-2136.359.3.1.el8uek.aarch64.rpme9ad1a200e96ff6ad149f38979e4e0fa65f33e1c4a046efdcd4d128b77ead038-ol8_aarch64_u10_baseos_patch
kernel-uek-debug-devel-5.4.17-2136.359.3.1.el8uek.aarch64.rpmeff8d952db9fb56b4fa3f0677b864687b40fcfb401f08a442dad735db265ab42-ol8_aarch64_baseos_latest
kernel-uek-debug-devel-5.4.17-2136.359.3.1.el8uek.aarch64.rpmeff8d952db9fb56b4fa3f0677b864687b40fcfb401f08a442dad735db265ab42-ol8_aarch64_u10_baseos_patch
kernel-uek-devel-5.4.17-2136.359.3.1.el8uek.aarch64.rpmb7e5d196a0933fac777aa2299bd01a8fc7f60d7a5d8719bb9f01c8f480ac2de1-ol8_aarch64_baseos_latest
kernel-uek-devel-5.4.17-2136.359.3.1.el8uek.aarch64.rpmb7e5d196a0933fac777aa2299bd01a8fc7f60d7a5d8719bb9f01c8f480ac2de1-ol8_aarch64_u10_baseos_patch
kernel-uek-doc-5.4.17-2136.359.3.1.el8uek.noarch.rpma5b526a4a28c9a5556542ac6efb6b7eea0c14dbd9d4f0703378485328c2f1529-ol8_aarch64_baseos_latest
kernel-uek-doc-5.4.17-2136.359.3.1.el8uek.noarch.rpma5b526a4a28c9a5556542ac6efb6b7eea0c14dbd9d4f0703378485328c2f1529-ol8_aarch64_u10_baseos_patch
Oracle Linux 8 (x86_64) kernel-uek-5.4.17-2136.359.3.1.el8uek.src.rpmb61ad94e1f703eabf7920a08ca4a22ce31f2fa5ca8a4404509166d5a362b9dfe-ol8_x86_64_UEKR6
kernel-uek-5.4.17-2136.359.3.1.el8uek.x86_64.rpm793029fdfd6f1180a6da7a710256b135b7fbd2a4d42ee8767f93b63cc5cf37d0-ol8_x86_64_UEKR6
kernel-uek-container-5.4.17-2136.359.3.1.el8uek.x86_64.rpme31caa81fd56db8f7eea5e236b45f6d3550d27ba158fecb8726fe7597ae509be-ol8_x86_64_UEKR6
kernel-uek-container-debug-5.4.17-2136.359.3.1.el8uek.x86_64.rpme0c70dc338ad347bee29205f98916fb1a9b455c4b8d509be738fa78dc6d335b6-ol8_x86_64_UEKR6
kernel-uek-debug-5.4.17-2136.359.3.1.el8uek.x86_64.rpmcc1d30bb178ce0b8984d5134b4b0621bf109371a06f38d292124626a380d8314-ol8_x86_64_UEKR6
kernel-uek-debug-devel-5.4.17-2136.359.3.1.el8uek.x86_64.rpm4b7a68790cc1b2ca823b8b8285072aa4ce0bc543d542249ce0198e582886c579-ol8_x86_64_UEKR6
kernel-uek-devel-5.4.17-2136.359.3.1.el8uek.x86_64.rpm49169f6781a7a513339e3f20779adf818af5831ea9ddd01c8dc0a2cfa2ed05dd-ol8_x86_64_UEKR6
kernel-uek-doc-5.4.17-2136.359.3.1.el8uek.noarch.rpma5b526a4a28c9a5556542ac6efb6b7eea0c14dbd9d4f0703378485328c2f1529-ol8_x86_64_UEKR6



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