# SUSE-SU-2026:3256-1: Security update for 2 packages

SUSE-SU-2026:3256-1, released July 27, 2026, fixes 6 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/suse-su-2026-3256-1
- Platform: Linux
- Released: Jul 27, 2026
- Priority: High (Closes CVE-2026-53359, high severity)
- CVEs: 6, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/SUSE-SU-2026:3256-1

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel-livepatch-SLE15-SP6_Update_19](https://patchblox.com/security/data/product/linux/kernel-livepatch-sle15-sp6-update-19.md) | sles 15.6 | 10-150600.2.1 |
| [kernel-livepatch-SLE15-SP7_Update_14](https://patchblox.com/security/data/product/linux/kernel-livepatch-sle15-sp7-update-14.md) | sles 15.7 | 4-150700.2.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-53359](https://patchblox.com/security/data/cve/CVE-2026-53359.md) | High | kpatch-patch: A flaw was found in the Linux kernel's Kernel-based Virtual Machine (KVM) x86 shadow paging mechanism | 8.8 | 0.0137 |  |
| [CVE-2026-23240](https://patchblox.com/security/data/cve/CVE-2026-23240.md) | High | tls: Fix race condition in tls_sw_cancel_work_tx() | 9.8 | 0.0056 |  |
| [CVE-2026-43038](https://patchblox.com/security/data/cve/CVE-2026-43038.md) | High | kpatch-patch-4_18_0-553_125_1: kernel: ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach() | 9.8 | 0.0026 |  |
| [CVE-2026-46113](https://patchblox.com/security/data/cve/CVE-2026-46113.md) | High | kernel-zfcpdump-modules-extra: kernel: KVM: x86: Fix shadow paging use-after-free due to unexpected GFN | 8.8 | 0.0020 |  |
| [CVE-2026-53366](https://patchblox.com/security/data/cve/CVE-2026-53366.md) | High | ipv4: account for fraggap on the paged allocation path | 8.5 | 0.0017 |  |
| [CVE-2026-31738](https://patchblox.com/security/data/cve/CVE-2026-31738.md) | Routine | kernel-source: vxlan: validate ND option lengths in vxlan_na_create (bsc#1264059). | 5.5 | 0.0012 |  |

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Data as of 2026-11-11T13:47:35Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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