# ELSA-2026-0453: Security update for 30 packages

ELSA-2026-0453, released January 12, 2026, fixes 9 CVEs across 30 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/elsa-2026-0453
- Platform: Linux
- Released: Jan 12, 2026
- Priority: High (Closes CVE-2025-40240, high severity)
- CVEs: 9, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://linux.oracle.com/errata/ELSA-2026-0453.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | ol 10 | 0:6.12.0-124.27.1.el10_1 |
| [kernel-abi-stablelists](https://patchblox.com/security/data/product/linux/kernel-abi-stablelists.md) | ol 10 | 0:6.12.0-124.27.1.el10_1 |
| [kernel-core](https://patchblox.com/security/data/product/linux/kernel-core.md) | ol 10 | 0:6.12.0-124.27.1.el10_1 |
| [kernel-cross-headers](https://patchblox.com/security/data/product/linux/kernel-cross-headers.md) | ol 10 | 0:6.12.0-124.27.1.el10_1 |
| [kernel-debug](https://patchblox.com/security/data/product/linux/kernel-debug.md) | ol 10 | 0:6.12.0-124.27.1.el10_1 |
| [kernel-debug-core](https://patchblox.com/security/data/product/linux/kernel-debug-core.md) | ol 10 | 0:6.12.0-124.27.1.el10_1 |
| [kernel-debug-devel](https://patchblox.com/security/data/product/linux/kernel-debug-devel.md) | ol 10 | 0:6.12.0-124.27.1.el10_1 |
| [kernel-debug-devel-matched](https://patchblox.com/security/data/product/linux/kernel-debug-devel-matched.md) | ol 10 | 0:6.12.0-124.27.1.el10_1 |
| [kernel-debug-modules](https://patchblox.com/security/data/product/linux/kernel-debug-modules.md) | ol 10 | 0:6.12.0-124.27.1.el10_1 |
| [kernel-debug-modules-core](https://patchblox.com/security/data/product/linux/kernel-debug-modules-core.md) | ol 10 | 0:6.12.0-124.27.1.el10_1 |
| [kernel-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-debug-modules-extra.md) | ol 10 | 0:6.12.0-124.27.1.el10_1 |
| [kernel-debug-uki-virt](https://patchblox.com/security/data/product/linux/kernel-debug-uki-virt.md) | ol 10 | 0:6.12.0-124.27.1.el10_1 |
| [kernel-devel](https://patchblox.com/security/data/product/linux/kernel-devel.md) | ol 10 | 0:6.12.0-124.27.1.el10_1 |
| [kernel-devel-matched](https://patchblox.com/security/data/product/linux/kernel-devel-matched.md) | ol 10 | 0:6.12.0-124.27.1.el10_1 |
| [kernel-doc](https://patchblox.com/security/data/product/linux/kernel-doc.md) | ol 10 | 0:6.12.0-124.27.1.el10_1 |
| [kernel-headers](https://patchblox.com/security/data/product/linux/kernel-headers.md) | ol 10 | 0:6.12.0-124.27.1.el10_1 |
| [kernel-modules](https://patchblox.com/security/data/product/linux/kernel-modules.md) | ol 10 | 0:6.12.0-124.27.1.el10_1 |
| [kernel-modules-core](https://patchblox.com/security/data/product/linux/kernel-modules-core.md) | ol 10 | 0:6.12.0-124.27.1.el10_1 |
| [kernel-modules-extra](https://patchblox.com/security/data/product/linux/kernel-modules-extra.md) | ol 10 | 0:6.12.0-124.27.1.el10_1 |
| [kernel-modules-extra-matched](https://patchblox.com/security/data/product/linux/kernel-modules-extra-matched.md) | ol 10 | 0:6.12.0-124.27.1.el10_1 |
| [kernel-tools](https://patchblox.com/security/data/product/linux/kernel-tools.md) | ol 10 | 0:6.12.0-124.27.1.el10_1 |
| [kernel-tools-libs](https://patchblox.com/security/data/product/linux/kernel-tools-libs.md) | ol 10 | 0:6.12.0-124.27.1.el10_1 |
| [kernel-tools-libs-devel](https://patchblox.com/security/data/product/linux/kernel-tools-libs-devel.md) | ol 10 | 0:6.12.0-124.27.1.el10_1 |
| [kernel-uki-virt](https://patchblox.com/security/data/product/linux/kernel-uki-virt.md) | ol 10 | 0:6.12.0-124.27.1.el10_1 |
| [kernel-uki-virt-addons](https://patchblox.com/security/data/product/linux/kernel-uki-virt-addons.md) | ol 10 | 0:6.12.0-124.27.1.el10_1 |
| [libperf](https://patchblox.com/security/data/product/linux/libperf.md) | ol 10 | 0:6.12.0-124.27.1.el10_1 |
| [perf](https://patchblox.com/security/data/product/linux/perf.md) | ol 10 | 0:6.12.0-124.27.1.el10_1 |
| [python3-perf](https://patchblox.com/security/data/product/linux/python3-perf.md) | ol 10 | 0:6.12.0-124.27.1.el10_1 |
| [rtla](https://patchblox.com/security/data/product/linux/rtla.md) | ol 10 | 0:6.12.0-124.27.1.el10_1 |
| [rv](https://patchblox.com/security/data/product/linux/rv.md) | ol 10 | 0:6.12.0-124.27.1.el10_1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-40240](https://patchblox.com/security/data/cve/CVE-2025-40240.md) | High | sctp: avoid NULL dereference when chunk data buffer is missing | 8.6 | 0.0064 |  |
| [CVE-2025-40176](https://patchblox.com/security/data/cve/CVE-2025-40176.md) | High | tls: wait for pending async decryptions if tls_strp_msg_hold fails | 9.8 | 0.0049 |  |
| [CVE-2025-40277](https://patchblox.com/security/data/cve/CVE-2025-40277.md) | High | drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE | 7.8 | 0.0025 |  |
| [CVE-2025-39806](https://patchblox.com/security/data/cve/CVE-2025-39806.md) | High | kernel-64k-core: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: H... | 7.8 | 0.0024 |  |
| [CVE-2025-68287](https://patchblox.com/security/data/cve/CVE-2025-68287.md) | High | usb: dwc3: Fix race condition between concurrent dwc3_remove_requests() call paths | 7.8 | 0.0023 |  |
| [CVE-2025-39840](https://patchblox.com/security/data/cve/CVE-2025-39840.md) | High | libperf: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: H... | 7.8 | 0.0015 |  |
| [CVE-2025-39843](https://patchblox.com/security/data/cve/CVE-2025-39843.md) | High | mm: slub: avoid wake up kswapd in set_track_prepare | 7.8 | 0.0012 |  |
| [CVE-2025-39966](https://patchblox.com/security/data/cve/CVE-2025-39966.md) | High | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: c... | 7.8 | 0.0011 |  |
| [CVE-2025-39905](https://patchblox.com/security/data/cve/CVE-2025-39905.md) | High | net: phylink: add lock for serializing concurrent pl->phydev writes with resolver | 7.8 | 0.0011 |  |

---

Data as of 2026-11-07T18:46:35Z 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

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