[El-errata] ELSA-2026-91565 Important: Oracle Linux 10 kernel security, bug fix, and enhancement update

Fri Oct 30 04:38:47 UTC 2026

Oracle Linux Security Advisory ELSA-2026-91565

http://linux.oracle.com/errata/ELSA-2026-91565.html

The following updated rpms for Oracle Linux 10 have been uploaded to the Unbreakable Linux Network:

x86_64:
kernel-6.12.0-211.69.1.el10_2.x86_64.rpm
kernel-abi-stablelists-6.12.0-211.69.1.el10_2.noarch.rpm
kernel-core-6.12.0-211.69.1.el10_2.x86_64.rpm
kernel-cross-headers-6.12.0-211.69.1.el10_2.x86_64.rpm
kernel-debug-6.12.0-211.69.1.el10_2.x86_64.rpm
kernel-debug-core-6.12.0-211.69.1.el10_2.x86_64.rpm
kernel-debug-devel-6.12.0-211.69.1.el10_2.x86_64.rpm
kernel-debug-devel-matched-6.12.0-211.69.1.el10_2.x86_64.rpm
kernel-debug-modules-6.12.0-211.69.1.el10_2.x86_64.rpm
kernel-debug-modules-core-6.12.0-211.69.1.el10_2.x86_64.rpm
kernel-debug-modules-extra-6.12.0-211.69.1.el10_2.x86_64.rpm
kernel-debug-uki-virt-6.12.0-211.69.1.el10_2.x86_64.rpm
kernel-devel-6.12.0-211.69.1.el10_2.x86_64.rpm
kernel-devel-matched-6.12.0-211.69.1.el10_2.x86_64.rpm
kernel-doc-6.12.0-211.69.1.el10_2.noarch.rpm
kernel-headers-6.12.0-211.69.1.el10_2.x86_64.rpm
kernel-modules-6.12.0-211.69.1.el10_2.x86_64.rpm
kernel-modules-core-6.12.0-211.69.1.el10_2.x86_64.rpm
kernel-modules-extra-6.12.0-211.69.1.el10_2.x86_64.rpm
kernel-modules-extra-matched-6.12.0-211.69.1.el10_2.x86_64.rpm
kernel-tools-6.12.0-211.69.1.el10_2.x86_64.rpm
kernel-tools-libs-6.12.0-211.69.1.el10_2.x86_64.rpm
kernel-tools-libs-devel-6.12.0-211.69.1.el10_2.x86_64.rpm
kernel-uki-virt-6.12.0-211.69.1.el10_2.x86_64.rpm
kernel-uki-virt-addons-6.12.0-211.69.1.el10_2.x86_64.rpm
libperf-6.12.0-211.69.1.el10_2.x86_64.rpm
perf-6.12.0-211.69.1.el10_2.x86_64.rpm
python3-perf-6.12.0-211.69.1.el10_2.x86_64.rpm
rtla-6.12.0-211.69.1.el10_2.x86_64.rpm
rv-6.12.0-211.69.1.el10_2.x86_64.rpm

aarch64:
kernel-cross-headers-6.12.0-211.69.1.el10_2.aarch64.rpm
kernel-headers-6.12.0-211.69.1.el10_2.aarch64.rpm
kernel-tools-6.12.0-211.69.1.el10_2.aarch64.rpm
kernel-tools-libs-6.12.0-211.69.1.el10_2.aarch64.rpm
kernel-tools-libs-devel-6.12.0-211.69.1.el10_2.aarch64.rpm
libperf-6.12.0-211.69.1.el10_2.aarch64.rpm
perf-6.12.0-211.69.1.el10_2.aarch64.rpm
python3-perf-6.12.0-211.69.1.el10_2.aarch64.rpm
rtla-6.12.0-211.69.1.el10_2.aarch64.rpm
rv-6.12.0-211.69.1.el10_2.aarch64.rpm

SRPMS:
http://oss.oracle.com/ol10/SRPMS-updates/kernel-6.12.0-211.69.1.el10_2.src.rpm

Related CVEs:

CVE-2026-53236
CVE-2026-53388
CVE-2026-63978
CVE-2026-63979
CVE-2026-64027
CVE-2026-64109
CVE-2026-64523
CVE-2026-68136
CVE-2026-68338
CVE-2026-72083
CVE-2026-74515
CVE-2026-74631
CVE-2026-80824
CVE-2026-89638
CVE-2026-89777
CVE-2026-93262

Description of changes:

[6.12.0-211.69.1]
- Add new Oracle Linux Driver Signing (key 1) certificate [Orabug: 37985782]
- 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
- Update module name for cryptographic module [Orabug: 37400433]
- Clean git history at setup stage

[6.12.0-211.69.1]
- scsi: target: core: Fix iSCSI ISID use-after-free in REGISTER AND MOVE (CKI Backport Bot) [RHEL-283521] {CVE-2026-72083}
- md/raid5-ppl: fix use-after-free in ppl_do_flush() (Nigel Croxon) [RHEL-278085] {CVE-2026-93262}
- KVM: s390: pci: Reject adapter interrupt forwarding if already enabled (CKI Backport Bot) [RHEL-277647] {CVE-2026-74515}
- vfio/pci: clear vdev->msi_perm after freeing it on init failure (Rodolfo Vick) [RHEL-270937] {CVE-2026-89777}
- smb: client: clear setuid/setgid bit on write with cifsacl/modefromsid/posix extensions (Jorge San Emeterio Villalain) [RHEL-271266] {CVE-2026-89638}
- net/handshake: Drain pending requests at net namespace exit (Xin Long) [RHEL-232133] {CVE-2026-63978}
- net/handshake: Use spin_lock_bh for hn_lock (Xin Long) [RHEL-232133]
- net/handshake: hand off the pinned file reference to accept_doit (Xin Long) [RHEL-230367] {CVE-2026-63979}
- net/handshake: Take a long-lived file reference at submit (Xin Long) [RHEL-234161] {CVE-2026-64523}
- x86/microcode: Add platform mask to Intel microcode "old" list (Luis Claudio R. Goncalves) [RHEL-212778]
- x86/cpu: Add platform ID to CPU matching structure (Luis Claudio R. Goncalves) [RHEL-212778]
- x86/cpu: Add platform ID to CPU info structure (Luis Claudio R. Goncalves) [RHEL-212778]
- x86/microcode: Refactor platform ID enumeration into a helper (Luis Claudio R. Goncalves) [RHEL-212778]
- fuse: re-lock request before replacing page cache folio (Miklos Szeredi) [RHEL-226096] {CVE-2026-53388}
- sched_ext: Fix possible deadlock in the deferred_irq_workfn() (CKI Backport Bot) [RHEL-259937]
- sched_ext: Fix unsafe locking in the scx_dump_state() (CKI Backport Bot) [RHEL-259937]
- net: shaper: rework the VALID marking (again) (Jamie Bainbridge) [RHEL-231705] {CVE-2026-64027}
- net: shaper: annotate the data races (Jamie Bainbridge) [RHEL-231705]
- net: shaper: fix trivial ordering issue in net_shaper_commit() (Jamie Bainbridge) [RHEL-231705]
- net: shaper: flip the polarity of the valid flag (Jamie Bainbridge) [RHEL-231705]
- net: shaper: protect late read accesses to the hierarchy (Jamie Bainbridge) [RHEL-231705]
- net/packet: avoid fanout hook re-registration after unregister (Jamie Bainbridge) [RHEL-246967] {CVE-2026-68338}
- af_unix: Fix UAF read of tail->len in unix_stream_data_wait() (Jamie Bainbridge) [RHEL-225883] {CVE-2026-64109}
- af_unix: Cache state->msg in unix_stream_read_generic(). (Jamie Bainbridge) [RHEL-225883]
- net: gro: fix double aggregation of flush-marked skbs (Jamie Bainbridge) [RHEL-242620] {CVE-2026-68136}
- tcp: restrict SO_ATTACH_FILTER to priv users (Jamie Bainbridge) [RHEL-257741] {CVE-2026-53236}
- usb: usbfs: fix use-after-free of usb_device in usbdev_release() (CKI Backport Bot) [RHEL-258583] {CVE-2026-80824}
- net: smc: fix splice entry lifetime imbalance in smc_rx_splice (CKI Backport Bot) [RHEL-253457] {CVE-2026-74631}
- ipv4: fib: fix route re-dump in inet_dump_fib() on multi-batch dump (Felix Maurer) [RHEL-245489]
- ipv6: fib6: fix NULL deref in fib6_walk_continue() on multi-batch dump (Felix Maurer) [RHEL-245489]