Oracle Errata System Oracle Linux 5.11 2026-10-07T11:10:00 Oracle Linux 8 Oracle Linux 7 [5.4.17-2136.360.3] - IB/mlx4: delete allocated id_map_entry while sending REJ (Praveen Kumar Kannoju) [Orabug: 39999072] - net: tun: bound receive headroom (Asim Viladi Oglu Manizada) [Orabug: 40020673] {CVE-2026-81000} - xfrm: ah6: validate routing header segments_left (Asim Viladi Oglu Manizada) [Orabug: 39982188] {CVE-2026-80844} - inet: frags: strip GSO state from fragments before reassembly (Xinyang Ge) [Orabug: 39972532] {CVE-2026-80590} - sctp: prevent peer transport count overflow (Asim Viladi Oglu Manizada) [Orabug: 39886843] {CVE-2026-74469} - pppoe: reload header pointer after dev_hard_header() (Asim Viladi Oglu Manizada) [Orabug: 39859408] {CVE-2026-68121} [5.4.17-2136.360.2] - Revert 'net/mlx5: Add poll-eq API to be used by ULP's' (Praveen Kumar Kannoju) [Orabug: 39764468] [5.4.17-2136.360.1] - x86/alternatives: Guard struct alt_instr kABI layout (Saeed Mirzamohammadi) [Orabug: 39860383] - crypto: ecc - Fix carry overflow in vli multiplication (Anastasia Tishchenko) [Orabug: 39785911] {CVE-2026-64313} - crypto: pcrypt - restore callback for non-parallel fallback (Ruijie Li) [Orabug: 39785907] {CVE-2026-64312} - crypto: drbg - Fix returning success on failure in CTR_DRBG (Eric Biggers) [Orabug: 39785894] {CVE-2026-64306} - KVM: x86: Use scratch field in MMIO fragment to hold small write values (Sean Christopherson) [Orabug: 39273524] {CVE-2026-31588} - xfrm: clear trailing padding in build_polexpire() (Yasuaki Torimaru) [Orabug: 39262403] {CVE-2026-31664} - tipc: fix bc_ackers underflow on duplicate GRP_ACK_MSG (Oleh Konko) [Orabug: 39262395] {CVE-2026-31662} - netfilter: nf_conntrack_sip: fix Content-Length u32 truncation in sip_help_tcp() (Lukas Johannes Moller) [Orabug: 39167519] {CVE-2026-23457} - netfilter: nf_conntrack_h323: check for zero length in DecodeQ931() (Jenny Guanni Qu) [Orabug: 39167511] {CVE-2026-23455} [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) [Orabug: 39784513,39853776] {CVE-2026-68480} - x86/alternatives: Disable interrupts and sync when optimizing NOPs in place (Thomas Gleixner) [Orabug: 39784513] {CVE-2026-68480} - x86/alternative: Support relocations in alternatives (Peter Zijlstra) [Orabug: 39784513] {CVE-2026-68480} - x86/alternative: Make debug-alternative selective (Peter Zijlstra) [Orabug: 39784513] {CVE-2026-68480} - x86/alternatives: Add alt_instr.flags (Borislav Petkov) [Orabug: 39784513] {CVE-2026-68480} - x86/asm: Provide ALTERNATIVE_3 (Peter Zijlstra) [Orabug: 39784513] {CVE-2026-68480} - x86/alternative: Optimize single-byte NOPs at an arbitrary position (Borislav Petkov) [Orabug: 39784513] {CVE-2026-68480} - x86/alternative: Align insn bytes vertically (Borislav Petkov) [Orabug: 39784513] {CVE-2026-68480} (H Peter Anvin) [Orabug: 39784513] {CVE-2026-68480} - x86/alternatives: Optimize optimize_nops() (Peter Zijlstra) [Orabug: 39784513] {CVE-2026-68480} - x86: Add insn_decode_kernel() (Peter Zijlstra) [Orabug: 39784513] {CVE-2026-68480} - x86/insn: Add an insn_decode() API (Borislav Petkov) [Orabug: 39784513] {CVE-2026-68480} - x86/alternative: Use ALTERNATIVE_TERNARY() in _static_cpu_has() (Juergen Gross) [Orabug: 39784513] {CVE-2026-68480} - x86/alternative: Support ALTERNATIVE_TERNARY (Juergen Gross) [Orabug: 39784513] {CVE-2026-68480} - x86/alternative: Merge include files (Juergen Gross) [Orabug: 39784513] {CVE-2026-68480} - x86/alternative: Drop unused feature parameter from ALTINSTR_REPLACEMENT() (Juergen Gross) [Orabug: 39784513] {CVE-2026-68480} - x86/insn: Support big endian cross-compiles (Martin Schwidefsky) [Orabug: 39784513] {CVE-2026-68480} - x86/tools: Use tools headers for instruction decoder selftests (Vasily Gorbik) [Orabug: 39784513] {CVE-2026-68480} - tools headers: Get tools's linux/compiler.h closer to the kernel's (Arnaldo Carvalho de Melo) [Orabug: 39784513] {CVE-2026-68480} - perf build: Allow nested externs to enable BUILD_BUG() usage (Vasily Gorbik) [Orabug: 39784513] {CVE-2026-68480} - objtool: Allow nested externs to enable BUILD_BUG() (Vasily Gorbik) [Orabug: 39784513] {CVE-2026-68480} - objtool: Make relocation in alternative handling arch dependent (Julien Thierry) [Orabug: 39784513] {CVE-2026-68480} - x86/alternatives: Add pr_fmt() to debug macros (Borislav Petkov) [Orabug: 39784513] {CVE-2026-68480} - tools headers: Adopt verbatim copy of compiletime_assert() from kernel sources (Arnaldo Carvalho de Melo) [Orabug: 39784513] {CVE-2026-68480} - x86/alternatives: Teach text_poke_bp() to emulate instructions (Peter Zijlstra) [Orabug: 39784513] {CVE-2026-68480} - tools headers: Synchronize linux/bits.h with the kernel sources (Arnaldo Carvalho de Melo) [Orabug: 39784513] {CVE-2026-68480} - 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: 39558751,39919265] {CVE-2026-74684} - 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 (Hongnan Li) [Orabug: 39273589] {CVE-2026-31598} - 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: 39621716,39638198] {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 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: 39673871,39686461] {CVE-2026-53359} - KVM: x86: Fix shadow paging use-after-free due to unexpected GFN (Sean Christopherson) [Orabug: 39460223,39673871] {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] {CVE-2026-46331} - net/sched: act_pedit: free pedit keys on bail from offset check (Pedro Tammela) [Orabug: 39567287] {CVE-2026-46331} - net/sched: fix pedit partial COW leading to page cache corruption (Rajat Gupta) [Orabug: 39567287,39680880] {CVE-2026-46331} - net/sched: act_pedit: Parse L3 Header for L4 offset (Max Tottenham) [Orabug: 39567287] {CVE-2026-46331} - net/sched: act_pedit: rate limit datapath messages (Pedro Tammela) [Orabug: 39567287] {CVE-2026-46331} - net/sched: act_pedit: check static offsets a priori (Pedro Tammela) [Orabug: 39567287] {CVE-2026-46331} - net/sched: act_pedit: remove extra check for key type (Pedro Tammela) [Orabug: 39567287] {CVE-2026-46331} - net/sched: simplify tcf_pedit_act (Pedro Tammela) [Orabug: 39567287] {CVE-2026-46331} - net/sched: transition act_pedit to rcu and percpu stats (Pedro Tammela) [Orabug: 39567287] {CVE-2026-46331} - net/sched: act_pedit: use NLA_POLICY for parsing 'ex' keys (Pedro Tammela) [Orabug: 39567287] {CVE-2026-46331} - 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: 39426001,39751168] {CVE-2026-43499,CVE-2026-53163} - rtmutex: Use waiter::task instead of current in remove_waiter() (Keenan Dong) [Orabug: 39426001,39706958] {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: 39619389,39639989] {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: 39548666,39674328] {CVE-2025-10263,CVE-2026-53354} - arm64: tlb: Add ARM64_WORKAROUND_REPEAT_TLBI_SYNC (Mark Rutland) [Orabug: 39548666] {CVE-2025-10263} - ARM: uek: Disable CONFIG_QCOM_FALKOR_ERRATUM_1003 (Boris Ostrovsky) [Orabug: 39548666] {CVE-2025-10263} - arm64: tlb: allow XZR argument to TLBI ops (Mark Rutland) [Orabug: 39548666] {CVE-2025-10263} - arm64: cputype: Add C1-Premium definitions (Mark Rutland) [Orabug: 39548666] {CVE-2025-10263} - arm64: cputype: Add C1-Ultra definitions (Mark Rutland) [Orabug: 39548666] {CVE-2025-10263} - ip6_tunnel: clear skb2->cb[] in ip4ip6_err() (Eric Dumazet) [Orabug: 39300926] {CVE-2026-43037} IMPORTANT Copyright 2026 Oracle, Inc. CVE-2026-23455 CVE-2026-23457 CVE-2026-31588 CVE-2026-31662 CVE-2026-31664 CVE-2026-64306 CVE-2026-64312 CVE-2026-64313 CVE-2026-68121 CVE-2026-74469 CVE-2026-80590 CVE-2026-80844 CVE-2026-81000 cpe:/o:oracle:linux:8::baseos_latest cpe:/o:oracle:linux:8:10:baseos_patch cpe:/a:oracle:linux:8::UEKR6 cpe:/a:oracle:linux:7:9:UEKR6_ELS