# ELSA-2026-500329: Security update for 19 packages

ELSA-2026-500329, released September 17, 2026, fixes 6 CVEs across 19 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/elsa-2026-500329
- Platform: Linux
- Released: Sep 17, 2026
- Priority: High (Closes CVE-2026-74268, high severity)
- CVEs: 6, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://linux.oracle.com/errata/ELSA-2026-500329.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [bpftool](https://patchblox.com/security/data/product/linux/bpftool.md) | ol 8 | 0:5.15.0-324.217.5.3.el9uek |
| [bpftool](https://patchblox.com/security/data/product/linux/bpftool.md) | ol 9 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek](https://patchblox.com/security/data/product/linux/kernel-uek.md) | ol 8 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek](https://patchblox.com/security/data/product/linux/kernel-uek.md) | ol 9 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek-container](https://patchblox.com/security/data/product/linux/kernel-uek-container.md) | ol 8 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek-container](https://patchblox.com/security/data/product/linux/kernel-uek-container.md) | ol 9 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek-container-debug](https://patchblox.com/security/data/product/linux/kernel-uek-container-debug.md) | ol 8 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek-container-debug](https://patchblox.com/security/data/product/linux/kernel-uek-container-debug.md) | ol 9 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek-core](https://patchblox.com/security/data/product/linux/kernel-uek-core.md) | ol 8 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek-core](https://patchblox.com/security/data/product/linux/kernel-uek-core.md) | ol 9 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek-debug](https://patchblox.com/security/data/product/linux/kernel-uek-debug.md) | ol 8 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek-debug](https://patchblox.com/security/data/product/linux/kernel-uek-debug.md) | ol 9 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek-debug-core](https://patchblox.com/security/data/product/linux/kernel-uek-debug-core.md) | ol 8 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek-debug-core](https://patchblox.com/security/data/product/linux/kernel-uek-debug-core.md) | ol 9 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek-debug-devel](https://patchblox.com/security/data/product/linux/kernel-uek-debug-devel.md) | ol 8 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek-debug-devel](https://patchblox.com/security/data/product/linux/kernel-uek-debug-devel.md) | ol 9 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek-debug-modules](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules.md) | ol 8 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek-debug-modules](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules.md) | ol 9 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules-extra.md) | ol 8 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-uek-debug-modules-extra.md) | ol 9 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek-devel](https://patchblox.com/security/data/product/linux/kernel-uek-devel.md) | ol 8 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek-devel](https://patchblox.com/security/data/product/linux/kernel-uek-devel.md) | ol 9 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek-doc](https://patchblox.com/security/data/product/linux/kernel-uek-doc.md) | ol 8 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek-doc](https://patchblox.com/security/data/product/linux/kernel-uek-doc.md) | ol 9 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek-modules](https://patchblox.com/security/data/product/linux/kernel-uek-modules.md) | ol 8 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek-modules](https://patchblox.com/security/data/product/linux/kernel-uek-modules.md) | ol 9 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek-modules-extra](https://patchblox.com/security/data/product/linux/kernel-uek-modules-extra.md) | ol 8 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek-modules-extra](https://patchblox.com/security/data/product/linux/kernel-uek-modules-extra.md) | ol 9 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek64k](https://patchblox.com/security/data/product/linux/kernel-uek64k.md) | ol 8 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek64k](https://patchblox.com/security/data/product/linux/kernel-uek64k.md) | ol 9 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek64k-core](https://patchblox.com/security/data/product/linux/kernel-uek64k-core.md) | ol 8 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek64k-core](https://patchblox.com/security/data/product/linux/kernel-uek64k-core.md) | ol 9 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek64k-devel](https://patchblox.com/security/data/product/linux/kernel-uek64k-devel.md) | ol 8 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek64k-devel](https://patchblox.com/security/data/product/linux/kernel-uek64k-devel.md) | ol 9 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek64k-modules](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules.md) | ol 8 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek64k-modules](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules.md) | ol 9 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek64k-modules-extra](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules-extra.md) | ol 8 | 0:5.15.0-324.217.5.3.el9uek |
| [kernel-uek64k-modules-extra](https://patchblox.com/security/data/product/linux/kernel-uek64k-modules-extra.md) | ol 9 | 0:5.15.0-324.217.5.3.el9uek |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-74268](https://patchblox.com/security/data/cve/CVE-2026-74268.md) | High | tcp: clear sock_ops cb flags before force-closing a child socket | 9.8 | 0.0071 |  |
| [CVE-2026-80844](https://patchblox.com/security/data/cve/CVE-2026-80844.md) | High | xfrm: ah6: validate routing header segments_left | 8.3 | 0.0043 |  |
| [CVE-2026-81000](https://patchblox.com/security/data/cve/CVE-2026-81000.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  net: tun: bound receive headroom  tun_get_user()... | 8.3 | 0.0036 |  |
| [CVE-2026-43198](https://patchblox.com/security/data/cve/CVE-2026-43198.md) | High | tcp: fix potential race in tcp_v6_syn_recv_sock() | 9.8 | 0.0030 |  |
| [CVE-2026-74378](https://patchblox.com/security/data/cve/CVE-2026-74378.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  RDMA/rxe: Fix TOCTOU heap overflow in get_srq_wq... | 7.8 | 0.0014 |  |
| [CVE-2026-43088](https://patchblox.com/security/data/cve/CVE-2026-43088.md) | High | net: af_key: zero aligned sockaddr tail in PF_KEY exports | 7.1 | 0.0012 |  |

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Data as of 2026-11-08T00:53:09Z 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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