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High 1 exploited CVE ELSA-2026-13566 4 CVEs

Important: kernel security update (Oracle Linux 10)

Published May 5, 2026 · Updated May 5, 2026

Summary

[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}

Fixed packages 30

ReleasePackageFixed in
Oracle Linux · 10 kernel 0:6.12.0-124.55.1.el10_1
Oracle Linux · 10 kernel-abi-stablelists 0:6.12.0-124.55.1.el10_1
Oracle Linux · 10 kernel-core 0:6.12.0-124.55.1.el10_1
Oracle Linux · 10 kernel-cross-headers 0:6.12.0-124.55.1.el10_1
Oracle Linux · 10 kernel-debug 0:6.12.0-124.55.1.el10_1
Oracle Linux · 10 kernel-debug-core 0:6.12.0-124.55.1.el10_1
Oracle Linux · 10 kernel-debug-devel 0:6.12.0-124.55.1.el10_1
Oracle Linux · 10 kernel-debug-devel-matched 0:6.12.0-124.55.1.el10_1
Oracle Linux · 10 kernel-debug-modules 0:6.12.0-124.55.1.el10_1
Oracle Linux · 10 kernel-debug-modules-core 0:6.12.0-124.55.1.el10_1
Oracle Linux · 10 kernel-debug-modules-extra 0:6.12.0-124.55.1.el10_1
Oracle Linux · 10 kernel-debug-uki-virt 0:6.12.0-124.55.1.el10_1
Oracle Linux · 10 kernel-devel 0:6.12.0-124.55.1.el10_1
Oracle Linux · 10 kernel-devel-matched 0:6.12.0-124.55.1.el10_1
Oracle Linux · 10 kernel-doc 0:6.12.0-124.55.1.el10_1
Oracle Linux · 10 kernel-headers 0:6.12.0-124.55.1.el10_1
Oracle Linux · 10 kernel-modules 0:6.12.0-124.55.1.el10_1
Oracle Linux · 10 kernel-modules-core 0:6.12.0-124.55.1.el10_1
Oracle Linux · 10 kernel-modules-extra 0:6.12.0-124.55.1.el10_1
Oracle Linux · 10 kernel-modules-extra-matched 0:6.12.0-124.55.1.el10_1
Oracle Linux · 10 kernel-tools 0:6.12.0-124.55.1.el10_1
Oracle Linux · 10 kernel-tools-libs 0:6.12.0-124.55.1.el10_1
Oracle Linux · 10 kernel-tools-libs-devel 0:6.12.0-124.55.1.el10_1
Oracle Linux · 10 kernel-uki-virt 0:6.12.0-124.55.1.el10_1
Oracle Linux · 10 kernel-uki-virt-addons 0:6.12.0-124.55.1.el10_1
Oracle Linux · 10 libperf 0:6.12.0-124.55.1.el10_1
Oracle Linux · 10 perf 0:6.12.0-124.55.1.el10_1
Oracle Linux · 10 python3-perf 0:6.12.0-124.55.1.el10_1
Oracle Linux · 10 rtla 0:6.12.0-124.55.1.el10_1
Oracle Linux · 10 rv 0:6.12.0-124.55.1.el10_1

Vulnerabilities 4

  • High 7.8
    CVE-2026-31431 Exploited Public exploit EPSS 98%

    crypto: algif_aead - Revert to operating out-of-place

    In the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead - Revert to operating out-of-place This mostly reverts commit 72548b093ee3 except for the copying of the associated data. There is no benefit in operating in-place in algif…

    KEV May 1, 2026
  • Critical 9.8
    CVE-2026-31402 Public exploit

    nfsd: fix heap overflow in NFSv4.0 LOCK replay cache

    In the Linux kernel, the following vulnerability has been resolved: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache The NFSv4.0 replay cache uses a fixed 112-byte inline buffer (rp_ibuf[NFSD4_REPLAY_ISIZE]) to store encoded operation responses. This size…

  • High 7.8

    net/sched: Only allow act_ct to bind to clsact/ingress qdiscs and shared blocks

    In the Linux kernel, the following vulnerability has been resolved: net/sched: Only allow act_ct to bind to clsact/ingress qdiscs and shared blocks As Paolo said earlier [1]: "Since the blamed commit below, classify can return TC_ACT_CONSUMED while the curren…

  • High 7.8

    net: bonding: fix use-after-free in bond_xmit_broadcast()

    In the Linux kernel, the following vulnerability has been resolved: net: bonding: fix use-after-free in bond_xmit_broadcast() bond_xmit_broadcast() reuses the original skb for the last slave (determined by bond_is_last_slave()) and clones it for others. Concu…