# ELSA-2025-21118: Security update for 30 packages ELSA-2025-21118, released December 3, 2025, fixes 12 CVEs across 30 products. None of them is reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/fix/linux/elsa-2025-21118 - Platform: Linux - Released: Dec 3, 2025 - Priority: High (Closes CVE-2025-39841, high severity) - CVEs: 12, exploited: 0, on CISA KEV: 0 - Vendor advisory: https://linux.oracle.com/errata/ELSA-2025-21118.html ## Applies to | Product | Release | Fixed in | |---|---|---| | [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | ol 10 | 0:6.12.0-124.13.1.el10_1 | | [kernel-abi-stablelists](https://patchblox.com/security/data/product/linux/kernel-abi-stablelists.md) | ol 10 | 0:6.12.0-124.13.1.el10_1 | | [kernel-core](https://patchblox.com/security/data/product/linux/kernel-core.md) | ol 10 | 0:6.12.0-124.13.1.el10_1 | | [kernel-cross-headers](https://patchblox.com/security/data/product/linux/kernel-cross-headers.md) | ol 10 | 0:6.12.0-124.13.1.el10_1 | | [kernel-debug](https://patchblox.com/security/data/product/linux/kernel-debug.md) | ol 10 | 0:6.12.0-124.13.1.el10_1 | | [kernel-debug-core](https://patchblox.com/security/data/product/linux/kernel-debug-core.md) | ol 10 | 0:6.12.0-124.13.1.el10_1 | | [kernel-debug-devel](https://patchblox.com/security/data/product/linux/kernel-debug-devel.md) | ol 10 | 0:6.12.0-124.13.1.el10_1 | | [kernel-debug-devel-matched](https://patchblox.com/security/data/product/linux/kernel-debug-devel-matched.md) | ol 10 | 0:6.12.0-124.13.1.el10_1 | | [kernel-debug-modules](https://patchblox.com/security/data/product/linux/kernel-debug-modules.md) | ol 10 | 0:6.12.0-124.13.1.el10_1 | | [kernel-debug-modules-core](https://patchblox.com/security/data/product/linux/kernel-debug-modules-core.md) | ol 10 | 0:6.12.0-124.13.1.el10_1 | | [kernel-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-debug-modules-extra.md) | ol 10 | 0:6.12.0-124.13.1.el10_1 | | [kernel-debug-uki-virt](https://patchblox.com/security/data/product/linux/kernel-debug-uki-virt.md) | ol 10 | 0:6.12.0-124.13.1.el10_1 | | [kernel-devel](https://patchblox.com/security/data/product/linux/kernel-devel.md) | ol 10 | 0:6.12.0-124.13.1.el10_1 | | [kernel-devel-matched](https://patchblox.com/security/data/product/linux/kernel-devel-matched.md) | ol 10 | 0:6.12.0-124.13.1.el10_1 | | [kernel-doc](https://patchblox.com/security/data/product/linux/kernel-doc.md) | ol 10 | 0:6.12.0-124.13.1.el10_1 | | [kernel-headers](https://patchblox.com/security/data/product/linux/kernel-headers.md) | ol 10 | 0:6.12.0-124.13.1.el10_1 | | [kernel-modules](https://patchblox.com/security/data/product/linux/kernel-modules.md) | ol 10 | 0:6.12.0-124.13.1.el10_1 | | [kernel-modules-core](https://patchblox.com/security/data/product/linux/kernel-modules-core.md) | ol 10 | 0:6.12.0-124.13.1.el10_1 | | [kernel-modules-extra](https://patchblox.com/security/data/product/linux/kernel-modules-extra.md) | ol 10 | 0:6.12.0-124.13.1.el10_1 | | [kernel-modules-extra-matched](https://patchblox.com/security/data/product/linux/kernel-modules-extra-matched.md) | ol 10 | 0:6.12.0-124.13.1.el10_1 | | [kernel-tools](https://patchblox.com/security/data/product/linux/kernel-tools.md) | ol 10 | 0:6.12.0-124.13.1.el10_1 | | [kernel-tools-libs](https://patchblox.com/security/data/product/linux/kernel-tools-libs.md) | ol 10 | 0:6.12.0-124.13.1.el10_1 | | [kernel-tools-libs-devel](https://patchblox.com/security/data/product/linux/kernel-tools-libs-devel.md) | ol 10 | 0:6.12.0-124.13.1.el10_1 | | [kernel-uki-virt](https://patchblox.com/security/data/product/linux/kernel-uki-virt.md) | ol 10 | 0:6.12.0-124.13.1.el10_1 | | [kernel-uki-virt-addons](https://patchblox.com/security/data/product/linux/kernel-uki-virt-addons.md) | ol 10 | 0:6.12.0-124.13.1.el10_1 | | [libperf](https://patchblox.com/security/data/product/linux/libperf.md) | ol 10 | 0:6.12.0-124.13.1.el10_1 | | [perf](https://patchblox.com/security/data/product/linux/perf.md) | ol 10 | 0:6.12.0-124.13.1.el10_1 | | [python3-perf](https://patchblox.com/security/data/product/linux/python3-perf.md) | ol 10 | 0:6.12.0-124.13.1.el10_1 | | [rtla](https://patchblox.com/security/data/product/linux/rtla.md) | ol 10 | 0:6.12.0-124.13.1.el10_1 | | [rv](https://patchblox.com/security/data/product/linux/rv.md) | ol 10 | 0:6.12.0-124.13.1.el10_1 | ## CVEs this fix closes | CVE | Priority | Title | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2025-39841](https://patchblox.com/security/data/cve/CVE-2025-39841.md) | High | scsi: lpfc: Fix buffer free/clear order in deferred receive path | 7.8 | 0.0048 | | | [CVE-2025-39702](https://patchblox.com/security/data/cve/CVE-2025-39702.md) | High | ipv6: sr: Fix MAC comparison to be constant-time | 7.1 | 0.0045 | | | [CVE-2025-40300](https://patchblox.com/security/data/cve/CVE-2025-40300.md) | High | x86/vmscape: Add conditional IBPB mitigation | 7.3 | 0.0038 | | | [CVE-2025-39849](https://patchblox.com/security/data/cve/CVE-2025-39849.md) | High | wifi: cfg80211: sme: cap SSID length in __cfg80211_connect_result() | 7.8 | 0.0022 | | | [CVE-2025-38498](https://patchblox.com/security/data/cve/CVE-2025-38498.md) | High | do_change_type(): refuse to operate on unmounted/not ours mounts | 7.9 | 0.0022 | | | [CVE-2025-39727](https://patchblox.com/security/data/cve/CVE-2025-39727.md) | High | kernel: In the Linux kernel, the following vulnerability has been resolved: mm: swap: fix potential buffer overflow in setup_... | 7.8 | 0.0018 | | | [CVE-2025-39757](https://patchblox.com/security/data/cve/CVE-2025-39757.md) | High | ALSA: usb-audio: Validate UAC3 cluster segment descriptors | 7.8 | 0.0018 | | | [CVE-2025-39718](https://patchblox.com/security/data/cve/CVE-2025-39718.md) | High | vsock/virtio: Validate length in packet header before skb_put() | 7.8 | 0.0017 | | | [CVE-2025-39817](https://patchblox.com/security/data/cve/CVE-2025-39817.md) | High | efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare | 7.6 | 0.0017 | | | [CVE-2025-39697](https://patchblox.com/security/data/cve/CVE-2025-39697.md) | High | NFS: Fix a race when updating an existing write | 7.6 | 0.0016 | | | [CVE-2025-39881](https://patchblox.com/security/data/cve/CVE-2025-39881.md) | High | kernfs: Fix UAF in polling when open file is released | 7.8 | 0.0015 | | | [CVE-2025-39751](https://patchblox.com/security/data/cve/CVE-2025-39751.md) | High | ALSA: hda/ca0132: Fix buffer overflow in add_tuning_control | 7.8 | n/a | | --- Data as of 2026-11-08T00:53:09Z UTC. 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