[El-errata] ELSA-2026-13566 Important: Oracle Linux 10 kernel security update

[Errata Announcements for Oracle Linux]

Oracle Linux Security Advisory ELSA-2026-13566

http://linux.oracle.com/errata/ELSA-2026-13566.html

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

x86_64:
kernel-6.12.0-124.55.1.el10_1.x86_64.rpm
kernel-abi-stablelists-6.12.0-124.55.1.el10_1.noarch.rpm
kernel-core-6.12.0-124.55.1.el10_1.x86_64.rpm
kernel-cross-headers-6.12.0-124.55.1.el10_1.x86_64.rpm
kernel-debug-6.12.0-124.55.1.el10_1.x86_64.rpm
kernel-debug-core-6.12.0-124.55.1.el10_1.x86_64.rpm
kernel-debug-devel-6.12.0-124.55.1.el10_1.x86_64.rpm
kernel-debug-devel-matched-6.12.0-124.55.1.el10_1.x86_64.rpm
kernel-debug-modules-6.12.0-124.55.1.el10_1.x86_64.rpm
kernel-debug-modules-core-6.12.0-124.55.1.el10_1.x86_64.rpm
kernel-debug-modules-extra-6.12.0-124.55.1.el10_1.x86_64.rpm
kernel-debug-uki-virt-6.12.0-124.55.1.el10_1.x86_64.rpm
kernel-devel-6.12.0-124.55.1.el10_1.x86_64.rpm
kernel-devel-matched-6.12.0-124.55.1.el10_1.x86_64.rpm
kernel-doc-6.12.0-124.55.1.el10_1.noarch.rpm
kernel-headers-6.12.0-124.55.1.el10_1.x86_64.rpm
kernel-modules-6.12.0-124.55.1.el10_1.x86_64.rpm
kernel-modules-core-6.12.0-124.55.1.el10_1.x86_64.rpm
kernel-modules-extra-6.12.0-124.55.1.el10_1.x86_64.rpm
kernel-modules-extra-matched-6.12.0-124.55.1.el10_1.x86_64.rpm
kernel-tools-6.12.0-124.55.1.el10_1.x86_64.rpm
kernel-tools-libs-6.12.0-124.55.1.el10_1.x86_64.rpm
kernel-tools-libs-devel-6.12.0-124.55.1.el10_1.x86_64.rpm
kernel-uki-virt-6.12.0-124.55.1.el10_1.x86_64.rpm
kernel-uki-virt-addons-6.12.0-124.55.1.el10_1.x86_64.rpm
libperf-6.12.0-124.55.1.el10_1.x86_64.rpm
perf-6.12.0-124.55.1.el10_1.x86_64.rpm
python3-perf-6.12.0-124.55.1.el10_1.x86_64.rpm
rtla-6.12.0-124.55.1.el10_1.x86_64.rpm
rv-6.12.0-124.55.1.el10_1.x86_64.rpm

aarch64:
kernel-cross-headers-6.12.0-124.55.1.el10_1.aarch64.rpm
kernel-headers-6.12.0-124.55.1.el10_1.aarch64.rpm
kernel-tools-6.12.0-124.55.1.el10_1.aarch64.rpm
kernel-tools-libs-6.12.0-124.55.1.el10_1.aarch64.rpm
kernel-tools-libs-devel-6.12.0-124.55.1.el10_1.aarch64.rpm
libperf-6.12.0-124.55.1.el10_1.aarch64.rpm
perf-6.12.0-124.55.1.el10_1.aarch64.rpm
python3-perf-6.12.0-124.55.1.el10_1.aarch64.rpm
rtla-6.12.0-124.55.1.el10_1.aarch64.rpm
rv-6.12.0-124.55.1.el10_1.aarch64.rpm


SRPMS:
http://oss.oracle.com/ol10/SRPMS-updates/kernel-6.12.0-124.55.1.el10_1.src.rpm

Related CVEs:

CVE-2026-23270
CVE-2026-31402
CVE-2026-31419
CVE-2026-31431




Description of changes:

[6.12.0-124.55.1]
- 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

[6.12.0-124.55.1]
- crypto: algif_aead - snapshot IV for async AEAD requests (Vladislav Dronov) [RHEL-172211]
- crypto: algif_aead - Fix minimum RX size check for decryption (Vladislav Dronov) [RHEL-172211]
- crypto: authencesn - reject short ahash digests during instance creation (Vladislav Dronov) [RHEL-172211]
- crypto: authencesn - Fix src offset when decrypting in-place (Vladislav Dronov) [RHEL-172211]
- crypto: authencesn - Do not place hiseq at end of dst for out-of-place decryption (Vladislav Dronov) [RHEL-172211] {CVE-2026-31431}
- crypto: authencesn - reject too-short AAD (assoclen<8) to match ESP/ESN spec (Vladislav Dronov) [RHEL-172211] {CVE-2026-23060}
- crypto: af_alg - Fix page reassignment overflow in af_alg_pull_tsgl (Vladislav Dronov) [RHEL-172211]
- crypto: af_alg - limit RX SG extraction by receive buffer budget (Vladislav Dronov) [RHEL-172211] {CVE-2026-31677}
- crypto: algif_aead - Revert to operating out-of-place (Vladislav Dronov) [RHEL-172211] {CVE-2026-31431}
- crypto: af-alg - fix NULL pointer dereference in scatterwalk (Vladislav Dronov) [RHEL-172211]

[6.12.0-124.54.1]
- thunderbolt: Fix wake on connect at runtime (Desnes Nunes) [RHEL-108357]
- thunderbolt: Fix a logic error in wake on connect (Desnes Nunes) [RHEL-108357]
- thunderbolt: Use wake on connect and disconnect over suspend (Desnes Nunes) [RHEL-108357]
- net: bonding: fix use-after-free in bond_xmit_broadcast() (CKI Backport Bot) [RHEL-168071] {CVE-2026-31419}
- net/sched: Only allow act_ct to bind to clsact/ingress qdiscs and shared blocks (CKI Backport Bot) [RHEL-157330] {CVE-2026-23270}

[6.12.0-124.53.1]
- nfsd: fix heap overflow in NFSv4.0 LOCK replay cache (Scott Mayhew) [RHEL-167019] {CVE-2026-31402}