# ELSA-2025-20649: Security update for 35 packages

ELSA-2025-20649, released October 6, 2025, fixes 4 CVEs across 35 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/elsa-2025-20649
- Platform: Linux
- Released: Oct 6, 2025
- Priority: High (Closes CVE-2025-38724, high severity)
- CVEs: 4, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://linux.oracle.com/errata/ELSA-2025-20649.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel-uek](https://patchblox.com/security/data/product/linux/kernel-uek.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek](https://patchblox.com/security/data/product/linux/kernel-uek.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-core](https://patchblox.com/security/data/product/linux/kernel-uek-core.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-core](https://patchblox.com/security/data/product/linux/kernel-uek-core.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-debug](https://patchblox.com/security/data/product/linux/kernel-uek-debug.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-debug](https://patchblox.com/security/data/product/linux/kernel-uek-debug.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-debug-core](https://patchblox.com/security/data/product/linux/kernel-uek-debug-core.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-debug-core](https://patchblox.com/security/data/product/linux/kernel-uek-debug-core.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-debug-devel](https://patchblox.com/security/data/product/linux/kernel-uek-debug-devel.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-debug-devel](https://patchblox.com/security/data/product/linux/kernel-uek-debug-devel.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-debug-modules](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-debug-modules](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-debug-modules-core](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules-core.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-debug-modules-core](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules-core.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-debug-modules-deprecated](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules-deprecated.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-debug-modules-deprecated](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules-deprecated.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-debug-modules-desktop](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules-desktop.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-debug-modules-desktop](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules-desktop.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules-extra.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules-extra.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-debug-modules-extra-netfilter](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules-extra-netfilter.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-debug-modules-extra-netfilter](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules-extra-netfilter.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-debug-modules-usb](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules-usb.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-debug-modules-usb](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules-usb.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-debug-modules-wireless](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules-wireless.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-debug-modules-wireless](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules-wireless.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-devel](https://patchblox.com/security/data/product/linux/kernel-uek-devel.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-devel](https://patchblox.com/security/data/product/linux/kernel-uek-devel.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-doc](https://patchblox.com/security/data/product/linux/kernel-uek-doc.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-doc](https://patchblox.com/security/data/product/linux/kernel-uek-doc.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-modules](https://patchblox.com/security/data/product/linux/kernel-uek-modules.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-modules](https://patchblox.com/security/data/product/linux/kernel-uek-modules.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-modules-core](https://patchblox.com/security/data/product/linux/kernel-uek-modules-core.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-modules-core](https://patchblox.com/security/data/product/linux/kernel-uek-modules-core.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-modules-deprecated](https://patchblox.com/security/data/product/linux/kernel-uek-modules-deprecated.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-modules-deprecated](https://patchblox.com/security/data/product/linux/kernel-uek-modules-deprecated.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-modules-desktop](https://patchblox.com/security/data/product/linux/kernel-uek-modules-desktop.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-modules-desktop](https://patchblox.com/security/data/product/linux/kernel-uek-modules-desktop.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-modules-extra](https://patchblox.com/security/data/product/linux/kernel-uek-modules-extra.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-modules-extra](https://patchblox.com/security/data/product/linux/kernel-uek-modules-extra.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-modules-extra-netfilter](https://patchblox.com/security/data/product/linux/kernel-uek-modules-extra-netfilter.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-modules-extra-netfilter](https://patchblox.com/security/data/product/linux/kernel-uek-modules-extra-netfilter.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-modules-usb](https://patchblox.com/security/data/product/linux/kernel-uek-modules-usb.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-modules-usb](https://patchblox.com/security/data/product/linux/kernel-uek-modules-usb.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-modules-wireless](https://patchblox.com/security/data/product/linux/kernel-uek-modules-wireless.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-modules-wireless](https://patchblox.com/security/data/product/linux/kernel-uek-modules-wireless.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-tools](https://patchblox.com/security/data/product/linux/kernel-uek-tools.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek-tools](https://patchblox.com/security/data/product/linux/kernel-uek-tools.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek64k](https://patchblox.com/security/data/product/linux/kernel-uek64k.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek64k](https://patchblox.com/security/data/product/linux/kernel-uek64k.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek64k-core](https://patchblox.com/security/data/product/linux/kernel-uek64k-core.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek64k-core](https://patchblox.com/security/data/product/linux/kernel-uek64k-core.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek64k-devel](https://patchblox.com/security/data/product/linux/kernel-uek64k-devel.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek64k-devel](https://patchblox.com/security/data/product/linux/kernel-uek64k-devel.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek64k-modules](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek64k-modules](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek64k-modules-core](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules-core.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek64k-modules-core](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules-core.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek64k-modules-deprecated](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules-deprecated.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek64k-modules-deprecated](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules-deprecated.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek64k-modules-desktop](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules-desktop.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek64k-modules-desktop](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules-desktop.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek64k-modules-extra](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules-extra.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek64k-modules-extra](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules-extra.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek64k-modules-extra-netfilter](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules-extra-netfilter.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek64k-modules-extra-netfilter](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules-extra-netfilter.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek64k-modules-usb](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules-usb.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek64k-modules-usb](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules-usb.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek64k-modules-wireless](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules-wireless.md) | ol 10 | 0:6.12.0-103.40.4.4.el9uek |
| [kernel-uek64k-modules-wireless](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules-wireless.md) | ol 9 | 0:6.12.0-103.40.4.4.el9uek |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-38724](https://patchblox.com/security/data/cve/CVE-2025-38724.md) | High | nfsd: handle get_client_locked() failure in nfsd4_setclientid_confirm() | 7.8 | 0.0041 |  |
| [CVE-2025-39866](https://patchblox.com/security/data/cve/CVE-2025-39866.md) | High | fs: writeback: fix use-after-free in __mark_inode_dirty() | 7.8 | 0.0031 |  |
| [CVE-2025-39698](https://patchblox.com/security/data/cve/CVE-2025-39698.md) | High | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: n... | 7.5 | 0.0020 |  |
| [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 |  |

---

Data as of 2026-11-07T12:40:37Z 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