# ELSA-2025-20719: Security update for 35 packages

ELSA-2025-20719, released October 24, 2025, fixes 7 CVEs across 35 products. One of them is being exploited (CVE-2025-39964); 1 on CISA KEV. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/fix/linux/elsa-2025-20719
- Platform: Linux
- Released: Oct 24, 2025
- Priority: Patch now (Closes CVE-2025-39964, exploited (CISA KEV))
- CVEs: 7, exploited: 1, on CISA KEV: 1
- Vendor advisory: https://linux.oracle.com/errata/ELSA-2025-20719.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel-uek](https://patchblox.com/security/data/product/linux/kernel-uek.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek](https://patchblox.com/security/data/product/linux/kernel-uek.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-core](https://patchblox.com/security/data/product/linux/kernel-uek-core.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-core](https://patchblox.com/security/data/product/linux/kernel-uek-core.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-debug](https://patchblox.com/security/data/product/linux/kernel-uek-debug.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-debug](https://patchblox.com/security/data/product/linux/kernel-uek-debug.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-debug-core](https://patchblox.com/security/data/product/linux/kernel-uek-debug-core.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-debug-core](https://patchblox.com/security/data/product/linux/kernel-uek-debug-core.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-debug-devel](https://patchblox.com/security/data/product/linux/kernel-uek-debug-devel.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-debug-devel](https://patchblox.com/security/data/product/linux/kernel-uek-debug-devel.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-debug-modules](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-debug-modules](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-debug-modules-core](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules-core.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-debug-modules-core](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules-core.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-debug-modules-deprecated](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules-deprecated.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-debug-modules-deprecated](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules-deprecated.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-debug-modules-desktop](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules-desktop.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-debug-modules-desktop](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules-desktop.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules-extra.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules-extra.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-debug-modules-extra-netfilter](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules-extra-netfilter.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-debug-modules-extra-netfilter](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules-extra-netfilter.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-debug-modules-usb](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules-usb.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-debug-modules-usb](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules-usb.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-debug-modules-wireless](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules-wireless.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-debug-modules-wireless](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules-wireless.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-devel](https://patchblox.com/security/data/product/linux/kernel-uek-devel.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-devel](https://patchblox.com/security/data/product/linux/kernel-uek-devel.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-doc](https://patchblox.com/security/data/product/linux/kernel-uek-doc.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-doc](https://patchblox.com/security/data/product/linux/kernel-uek-doc.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-modules](https://patchblox.com/security/data/product/linux/kernel-uek-modules.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-modules](https://patchblox.com/security/data/product/linux/kernel-uek-modules.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-modules-core](https://patchblox.com/security/data/product/linux/kernel-uek-modules-core.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-modules-core](https://patchblox.com/security/data/product/linux/kernel-uek-modules-core.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-modules-deprecated](https://patchblox.com/security/data/product/linux/kernel-uek-modules-deprecated.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-modules-deprecated](https://patchblox.com/security/data/product/linux/kernel-uek-modules-deprecated.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-modules-desktop](https://patchblox.com/security/data/product/linux/kernel-uek-modules-desktop.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-modules-desktop](https://patchblox.com/security/data/product/linux/kernel-uek-modules-desktop.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-modules-extra](https://patchblox.com/security/data/product/linux/kernel-uek-modules-extra.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-modules-extra](https://patchblox.com/security/data/product/linux/kernel-uek-modules-extra.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-modules-extra-netfilter](https://patchblox.com/security/data/product/linux/kernel-uek-modules-extra-netfilter.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-modules-extra-netfilter](https://patchblox.com/security/data/product/linux/kernel-uek-modules-extra-netfilter.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-modules-usb](https://patchblox.com/security/data/product/linux/kernel-uek-modules-usb.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-modules-usb](https://patchblox.com/security/data/product/linux/kernel-uek-modules-usb.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-modules-wireless](https://patchblox.com/security/data/product/linux/kernel-uek-modules-wireless.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-modules-wireless](https://patchblox.com/security/data/product/linux/kernel-uek-modules-wireless.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-tools](https://patchblox.com/security/data/product/linux/kernel-uek-tools.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek-tools](https://patchblox.com/security/data/product/linux/kernel-uek-tools.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek64k](https://patchblox.com/security/data/product/linux/kernel-uek64k.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek64k](https://patchblox.com/security/data/product/linux/kernel-uek64k.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek64k-core](https://patchblox.com/security/data/product/linux/kernel-uek64k-core.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek64k-core](https://patchblox.com/security/data/product/linux/kernel-uek64k-core.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek64k-devel](https://patchblox.com/security/data/product/linux/kernel-uek64k-devel.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek64k-devel](https://patchblox.com/security/data/product/linux/kernel-uek64k-devel.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek64k-modules](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek64k-modules](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek64k-modules-core](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules-core.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek64k-modules-core](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules-core.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek64k-modules-deprecated](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules-deprecated.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek64k-modules-deprecated](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules-deprecated.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek64k-modules-desktop](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules-desktop.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek64k-modules-desktop](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules-desktop.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek64k-modules-extra](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules-extra.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek64k-modules-extra](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules-extra.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek64k-modules-extra-netfilter](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules-extra-netfilter.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek64k-modules-extra-netfilter](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules-extra-netfilter.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek64k-modules-usb](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules-usb.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek64k-modules-usb](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules-usb.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek64k-modules-wireless](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules-wireless.md) | ol 10 | 0:6.12.0-104.43.4.3.el9uek |
| [kernel-uek64k-modules-wireless](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules-wireless.md) | ol 9 | 0:6.12.0-104.43.4.3.el9uek |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-39964](https://patchblox.com/security/data/cve/CVE-2025-39964.md) | Patch now | crypto: af_alg - Disallow concurrent writes in af_alg_sendmsg | 8.8 | 0.0161 | CISA KEV |
| [CVE-2025-39973](https://patchblox.com/security/data/cve/CVE-2025-39973.md) | Urgent | i40e: add validation for ring_len param | 9.8 | 0.0016 |  |
| [CVE-2025-39946](https://patchblox.com/security/data/cve/CVE-2025-39946.md) | High | tls: make sure to abort the stream if headers are bogus | 7.0 | 0.1026 |  |
| [CVE-2025-39965](https://patchblox.com/security/data/cve/CVE-2025-39965.md) | High | xfrm: xfrm_alloc_spi shouldn't use 0 as SPI | 7.8 | 0.0020 |  |
| [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-2025-39963](https://patchblox.com/security/data/cve/CVE-2025-39963.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  io_uring: fix incorrect io_kiocb reference in io... | 7.8 | 0.0016 |  |
| [CVE-2025-39977](https://patchblox.com/security/data/cve/CVE-2025-39977.md) | High | futex: Prevent use-after-free during requeue-PI | 7.8 | 0.0015 |  |

---

Data as of 2026-11-07T06:34:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo
