# SUSE-SU-2025:03341-1: kernel-livepatch-SLE15-SP6-RT_Update_1 security update

SUSE-SU-2025:03341-1, released September 24, 2025, fixes 8 CVEs in kernel-livepatch-SLE15-SP6-RT_Update_1 (version 21-150600.2.2). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/suse-su-2025-03341-1
- Platform: Linux
- Released: Sep 24, 2025
- Priority: High (Closes CVE-2025-21756, high severity)
- CVEs: 8, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/SUSE-SU-2025:03341-1

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel-livepatch-SLE15-SP6-RT_Update_1](https://patchblox.com/security/data/product/linux/kernel-livepatch-sle15-sp6-rt-update-1.md) | sles 15.6 | 21-150600.2.2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-21756](https://patchblox.com/security/data/cve/CVE-2025-21756.md) | High | perf: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: n... | 7.8 | 0.0089 |  |
| [CVE-2025-38181](https://patchblox.com/security/data/cve/CVE-2025-38181.md) | High | calipso: Fix null-ptr-deref in calipso_req_{set,del}attr(). | 7.0 | 0.0058 |  |
| [CVE-2024-26808](https://patchblox.com/security/data/cve/CVE-2024-26808.md) | High | kernel-64kb: The SUSE Linux Enterprise 15 SP6 kernel was updated to receive various security bugfixes.   The following security bu... | 7.8 | 0.0026 |  |
| [CVE-2024-49860](https://patchblox.com/security/data/cve/CVE-2024-49860.md) | High | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: d... | 7.1 | 0.0025 |  |
| [CVE-2025-38498](https://patchblox.com/security/data/cve/CVE-2025-38498.md) | High | do_change_type(): refuse to operate on unmounted/not ours mounts | 7.9 | 0.0022 |  |
| [CVE-2025-38177](https://patchblox.com/security/data/cve/CVE-2025-38177.md) | High | sch_hfsc: make hfsc_qlen_notify() idempotent | 7.0 | 0.0022 |  |
| [CVE-2025-38109](https://patchblox.com/security/data/cve/CVE-2025-38109.md) | High | net/mlx5: Fix ECVF vports unload on shutdown flow | 7.8 | 0.0020 |  |
| [CVE-2025-38555](https://patchblox.com/security/data/cve/CVE-2025-38555.md) | High | usb: gadget : fix use-after-free in composite_dev_cleanup() | 7.8 | 0.0020 |  |

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Data as of 2026-11-10T07:50:38Z 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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