# RHSA-2026:1143: Security update for 72 packages

RHSA-2026:1143, released January 26, 2026, fixes 8 CVEs across 72 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-1143
- Platform: Linux
- Released: Jan 26, 2026
- Priority: High (Closes CVE-2025-40258, high severity)
- CVEs: 8, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:1143

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-64k](https://patchblox.com/security/data/product/linux/kernel-64k.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-64k-core](https://patchblox.com/security/data/product/linux/kernel-64k-core.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-64k-debug](https://patchblox.com/security/data/product/linux/kernel-64k-debug.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-64k-debug-core](https://patchblox.com/security/data/product/linux/kernel-64k-debug-core.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-64k-debug-devel](https://patchblox.com/security/data/product/linux/kernel-64k-debug-devel.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-64k-debug-devel-matched](https://patchblox.com/security/data/product/linux/kernel-64k-debug-devel-matched.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-64k-debug-modules](https://patchblox.com/security/data/product/linux/kernel-64k-debug-modules.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-64k-debug-modules-core](https://patchblox.com/security/data/product/linux/kernel-64k-debug-modules-core.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-64k-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-64k-debug-modules-extra.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-64k-devel](https://patchblox.com/security/data/product/linux/kernel-64k-devel.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-64k-devel-matched](https://patchblox.com/security/data/product/linux/kernel-64k-devel-matched.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-64k-modules](https://patchblox.com/security/data/product/linux/kernel-64k-modules.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-64k-modules-core](https://patchblox.com/security/data/product/linux/kernel-64k-modules-core.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-64k-modules-extra](https://patchblox.com/security/data/product/linux/kernel-64k-modules-extra.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-abi-stablelists](https://patchblox.com/security/data/product/linux/kernel-abi-stablelists.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-core](https://patchblox.com/security/data/product/linux/kernel-core.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-debug](https://patchblox.com/security/data/product/linux/kernel-debug.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-debug-core](https://patchblox.com/security/data/product/linux/kernel-debug-core.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-debug-devel](https://patchblox.com/security/data/product/linux/kernel-debug-devel.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-debug-devel-matched](https://patchblox.com/security/data/product/linux/kernel-debug-devel-matched.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-debug-modules](https://patchblox.com/security/data/product/linux/kernel-debug-modules.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-debug-modules-core](https://patchblox.com/security/data/product/linux/kernel-debug-modules-core.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-debug-modules-extra.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-debug-uki-virt](https://patchblox.com/security/data/product/linux/kernel-debug-uki-virt.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-devel](https://patchblox.com/security/data/product/linux/kernel-devel.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-devel-matched](https://patchblox.com/security/data/product/linux/kernel-devel-matched.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-doc](https://patchblox.com/security/data/product/linux/kernel-doc.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-modules](https://patchblox.com/security/data/product/linux/kernel-modules.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-modules-core](https://patchblox.com/security/data/product/linux/kernel-modules-core.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-modules-extra](https://patchblox.com/security/data/product/linux/kernel-modules-extra.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-rt](https://patchblox.com/security/data/product/linux/kernel-rt.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-rt-64k](https://patchblox.com/security/data/product/linux/kernel-rt-64k.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-rt-64k-core](https://patchblox.com/security/data/product/linux/kernel-rt-64k-core.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-rt-64k-debug](https://patchblox.com/security/data/product/linux/kernel-rt-64k-debug.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-rt-64k-debug-core](https://patchblox.com/security/data/product/linux/kernel-rt-64k-debug-core.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-rt-64k-debug-devel](https://patchblox.com/security/data/product/linux/kernel-rt-64k-debug-devel.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-rt-64k-debug-modules](https://patchblox.com/security/data/product/linux/kernel-rt-64k-debug-modules.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-rt-64k-debug-modules-core](https://patchblox.com/security/data/product/linux/kernel-rt-64k-debug-modules-core.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-rt-64k-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-rt-64k-debug-modules-extra.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-rt-64k-devel](https://patchblox.com/security/data/product/linux/kernel-rt-64k-devel.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-rt-64k-modules](https://patchblox.com/security/data/product/linux/kernel-rt-64k-modules.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-rt-64k-modules-core](https://patchblox.com/security/data/product/linux/kernel-rt-64k-modules-core.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-rt-64k-modules-extra](https://patchblox.com/security/data/product/linux/kernel-rt-64k-modules-extra.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-rt-core](https://patchblox.com/security/data/product/linux/kernel-rt-core.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-rt-debug](https://patchblox.com/security/data/product/linux/kernel-rt-debug.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-rt-debug-core](https://patchblox.com/security/data/product/linux/kernel-rt-debug-core.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-rt-debug-devel](https://patchblox.com/security/data/product/linux/kernel-rt-debug-devel.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-rt-debug-modules](https://patchblox.com/security/data/product/linux/kernel-rt-debug-modules.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-rt-debug-modules-core](https://patchblox.com/security/data/product/linux/kernel-rt-debug-modules-core.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-rt-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-rt-debug-modules-extra.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-rt-devel](https://patchblox.com/security/data/product/linux/kernel-rt-devel.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-rt-modules](https://patchblox.com/security/data/product/linux/kernel-rt-modules.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-rt-modules-core](https://patchblox.com/security/data/product/linux/kernel-rt-modules-core.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-rt-modules-extra](https://patchblox.com/security/data/product/linux/kernel-rt-modules-extra.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-tools](https://patchblox.com/security/data/product/linux/kernel-tools.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-tools-libs](https://patchblox.com/security/data/product/linux/kernel-tools-libs.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-tools-libs-devel](https://patchblox.com/security/data/product/linux/kernel-tools-libs-devel.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-uki-virt](https://patchblox.com/security/data/product/linux/kernel-uki-virt.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-uki-virt-addons](https://patchblox.com/security/data/product/linux/kernel-uki-virt-addons.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-zfcpdump](https://patchblox.com/security/data/product/linux/kernel-zfcpdump.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-zfcpdump-core](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-core.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-zfcpdump-devel](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-devel.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-zfcpdump-devel-matched](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-devel-matched.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-zfcpdump-modules](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-modules.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-zfcpdump-modules-core](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-modules-core.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [kernel-zfcpdump-modules-extra](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-modules-extra.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [libperf](https://patchblox.com/security/data/product/linux/libperf.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [perf](https://patchblox.com/security/data/product/linux/perf.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [python3-perf](https://patchblox.com/security/data/product/linux/python3-perf.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [rtla](https://patchblox.com/security/data/product/linux/rtla.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |
| [rv](https://patchblox.com/security/data/product/linux/rv.md) | RHEL 9 | 0:5.14.0-611.26.1.el9_7 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-40258](https://patchblox.com/security/data/cve/CVE-2025-40258.md) | High | mptcp: fix race condition in mptcp_schedule_work() | 9.8 | 0.0050 |  |
| [CVE-2025-68301](https://patchblox.com/security/data/cve/CVE-2025-68301.md) | High | net: atlantic: fix fragment overflow handling in RX path | 9.8 | 0.0047 |  |
| [CVE-2025-40294](https://patchblox.com/security/data/cve/CVE-2025-40294.md) | High | Bluetooth: MGMT: Fix OOB access in parse_adv_monitor_pattern() | 7.8 | 0.0020 |  |
| [CVE-2025-38141](https://patchblox.com/security/data/cve/CVE-2025-38141.md) | High | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: L... | 7.8 | 0.0020 |  |
| [CVE-2025-68305](https://patchblox.com/security/data/cve/CVE-2025-68305.md) | High | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: L... | 7.8 | 0.0019 |  |
| [CVE-2025-38349](https://patchblox.com/security/data/cve/CVE-2025-38349.md) | High | eventpoll: don't decrement ep refcount while still holding the ep mutex | 8.4 | 0.0018 |  |
| [CVE-2025-40248](https://patchblox.com/security/data/cve/CVE-2025-40248.md) | High | vsock: Ignore signal/timeout on connect() if already established | 7.8 | 0.0017 |  |
| [CVE-2025-38731](https://patchblox.com/security/data/cve/CVE-2025-38731.md) | High | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: L... | 7.8 | 0.0016 |  |

---

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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