Описание
ELSA-2026-51035: kernel security, bug fix, and enhancement update (MODERATE)
[5.14.0-687.36.1]
- 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]
[5.14.0-687.36.1]
- powerpc/powernv/iommu: iommu incorrectly bypass DMA APIs (Mamatha Inamdar) [RHEL-215575]
- powerpc/iommu: bypass DMA APIs for coherent allocations for pre-mapped memory (Mamatha Inamdar) [RHEL-215575]
- mm/vmscan: add sysctl to limit direct reclaim scanning depth (Audra Mitchell) [RHEL-211058]
- mm/memcg: refactor try_charge_memcg retry logic to use for loop (Audra Mitchell) [RHEL-211058]
- mm/memcg: introduce tunable sysctl for memory cgroup reclaim retries (Audra Mitchell) [RHEL-211058]
- futex: Prevent lockup in requeue-PI during signal/ timeout wakeup (Waiman Long) [RHEL-193526] {CVE-2026-52977}
- futex: Require sys_futex_requeue() to have identical flags (Waiman Long) [RHEL-193526] {CVE-2026-31554}
- futex: Clear stale exiting pointer in futex_lock_pi() retry path (Waiman Long) [RHEL-193526] {CVE-2026-31555}
- futex: Fix UaF between futex_key_to_node_opt() and vma_replace_policy() (Waiman Long) [RHEL-193526] {CVE-2026-23415}
[5.14.0-687.35.1]
- octeon_ep_vf: add NULL check for napi_build_skb() (CKI Backport Bot) [RHEL-186331]
- octeon_ep_vf: introduce octep_vf_oq_next_idx() helper (CKI Backport Bot) [RHEL-186331]
- octeon_ep_vf: avoid compiler and IQ/OQ reordering (CKI Backport Bot) [RHEL-186331]
- octeon_ep_vf: Relocate counter updates before NAPI (CKI Backport Bot) [RHEL-186331]
- octeon_ep_vf: ensure dbell BADDR updation (CKI Backport Bot) [RHEL-186331]
- net: octeon_ep_vf: fix free_irq dev_id mismatch in IRQ rollback (CKI Backport Bot) [RHEL-186331]
- netfilter: nfnetlink_cthelper: fix OOB read in nfnl_cthelper_dump_table() (CKI Backport Bot) [RHEL-179745] {CVE-2026-43450}
Обновленные пакеты
Oracle Linux 9
Oracle Linux aarch64
kernel-cross-headers
5.14.0-687.36.1.el9_8
kernel-tools-libs-devel
5.14.0-687.36.1.el9_8
libperf
5.14.0-687.36.1.el9_8
kernel-tools
5.14.0-687.36.1.el9_8
kernel-tools-libs
5.14.0-687.36.1.el9_8
kernel-headers
5.14.0-687.36.1.el9_8
perf
5.14.0-687.36.1.el9_8
python3-perf
5.14.0-687.36.1.el9_8
rtla
5.14.0-687.36.1.el9_8
rv
5.14.0-687.36.1.el9_8
Oracle Linux x86_64
kernel-core
5.14.0-687.36.1.el9_8
kernel-debug
5.14.0-687.36.1.el9_8
kernel-debug-modules
5.14.0-687.36.1.el9_8
kernel-debug-uki-virt
5.14.0-687.36.1.el9_8
kernel-modules
5.14.0-687.36.1.el9_8
kernel-tools-libs
5.14.0-687.36.1.el9_8
kernel-uki-virt-addons
5.14.0-687.36.1.el9_8
kernel-debug-devel
5.14.0-687.36.1.el9_8
kernel-debug-devel-matched
5.14.0-687.36.1.el9_8
kernel-devel
5.14.0-687.36.1.el9_8
kernel-devel-matched
5.14.0-687.36.1.el9_8
kernel-doc
5.14.0-687.36.1.el9_8
kernel-headers
5.14.0-687.36.1.el9_8
perf
5.14.0-687.36.1.el9_8
python3-perf
5.14.0-687.36.1.el9_8
rtla
5.14.0-687.36.1.el9_8
rv
5.14.0-687.36.1.el9_8
kernel-cross-headers
5.14.0-687.36.1.el9_8
kernel-tools-libs-devel
5.14.0-687.36.1.el9_8
libperf
5.14.0-687.36.1.el9_8
kernel
5.14.0-687.36.1.el9_8
kernel-abi-stablelists
5.14.0-687.36.1.el9_8
kernel-debug-core
5.14.0-687.36.1.el9_8
kernel-debug-modules-core
5.14.0-687.36.1.el9_8
kernel-debug-modules-extra
5.14.0-687.36.1.el9_8
kernel-modules-core
5.14.0-687.36.1.el9_8
kernel-modules-extra
5.14.0-687.36.1.el9_8
kernel-tools
5.14.0-687.36.1.el9_8
kernel-uki-virt
5.14.0-687.36.1.el9_8
Связанные CVE
Связанные уязвимости
In the Linux kernel, the following vulnerability has been resolved: futex: Fix UaF between futex_key_to_node_opt() and vma_replace_policy() During futex_key_to_node_opt() execution, vma->vm_policy is read under speculative mmap lock and RCU. Concurrently, mbind() may call vma_replace_policy() which frees the old mempolicy immediately via kmem_cache_free(). This creates a race where __futex_key_to_node() dereferences a freed mempolicy pointer, causing a use-after-free read of mpol->mode. [ 151.412631] BUG: KASAN: slab-use-after-free in __futex_key_to_node (kernel/futex/core.c:349) [ 151.414046] Read of size 2 at addr ffff888001c49634 by task e/87 [ 151.415969] Call Trace: [ 151.416732] __asan_load2 (mm/kasan/generic.c:271) [ 151.416777] __futex_key_to_node (kernel/futex/core.c:349) [ 151.416822] get_futex_key (kernel/futex/core.c:374 kernel/futex/core.c:386 kernel/futex/core.c:593) Fix by adding rcu to __mpol_put().
In the Linux kernel, the following vulnerability has been resolved: futex: Fix UaF between futex_key_to_node_opt() and vma_replace_policy() During futex_key_to_node_opt() execution, vma->vm_policy is read under speculative mmap lock and RCU. Concurrently, mbind() may call vma_replace_policy() which frees the old mempolicy immediately via kmem_cache_free(). This creates a race where __futex_key_to_node() dereferences a freed mempolicy pointer, causing a use-after-free read of mpol->mode. [ 151.412631] BUG: KASAN: slab-use-after-free in __futex_key_to_node (kernel/futex/core.c:349) [ 151.414046] Read of size 2 at addr ffff888001c49634 by task e/87 [ 151.415969] Call Trace: [ 151.416732] __asan_load2 (mm/kasan/generic.c:271) [ 151.416777] __futex_key_to_node (kernel/futex/core.c:349) [ 151.416822] get_futex_key (kernel/futex/core.c:374 kernel/futex/core.c:386 kernel/futex/core.c:593) Fix by adding rcu to __mpol_put().
In the Linux kernel, the following vulnerability has been resolved: futex: Fix UaF between futex_key_to_node_opt() and vma_replace_policy() During futex_key_to_node_opt() execution, vma->vm_policy is read under speculative mmap lock and RCU. Concurrently, mbind() may call vma_replace_policy() which frees the old mempolicy immediately via kmem_cache_free(). This creates a race where __futex_key_to_node() dereferences a freed mempolicy pointer, causing a use-after-free read of mpol->mode. [ 151.412631] BUG: KASAN: slab-use-after-free in __futex_key_to_node (kernel/futex/core.c:349) [ 151.414046] Read of size 2 at addr ffff888001c49634 by task e/87 [ 151.415969] Call Trace: [ 151.416732] __asan_load2 (mm/kasan/generic.c:271) [ 151.416777] __futex_key_to_node (kernel/futex/core.c:349) [ 151.416822] get_futex_key (kernel/futex/core.c:374 kernel/futex/core.c:386 kernel/futex/core.c:593) Fix by adding rcu to __mpol_put().
In the Linux kernel, the following vulnerability has been resolved: f ...