# RHSA-2026:19568: Security update for 72 packages

RHSA-2026:19568, released May 15, 2026, fixes 15 CVEs across 72 products. One of them is being exploited (CVE-2026-46300); 1 on CISA KEV. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-19568
- Platform: Linux
- Released: May 15, 2026
- Priority: Patch now (Closes CVE-2026-46300, exploited (CISA KEV))
- CVEs: 15, exploited: 1, on CISA KEV: 1
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:19568

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-64k](https://patchblox.com/security/data/product/linux/kernel-64k.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-64k-core](https://patchblox.com/security/data/product/linux/kernel-64k-core.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-64k-debug](https://patchblox.com/security/data/product/linux/kernel-64k-debug.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-64k-debug-core](https://patchblox.com/security/data/product/linux/kernel-64k-debug-core.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-64k-debug-devel](https://patchblox.com/security/data/product/linux/kernel-64k-debug-devel.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-64k-debug-devel-matched](https://patchblox.com/security/data/product/linux/kernel-64k-debug-devel-matched.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-64k-debug-modules](https://patchblox.com/security/data/product/linux/kernel-64k-debug-modules.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-64k-debug-modules-core](https://patchblox.com/security/data/product/linux/kernel-64k-debug-modules-core.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-64k-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-64k-debug-modules-extra.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-64k-devel](https://patchblox.com/security/data/product/linux/kernel-64k-devel.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-64k-devel-matched](https://patchblox.com/security/data/product/linux/kernel-64k-devel-matched.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-64k-modules](https://patchblox.com/security/data/product/linux/kernel-64k-modules.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-64k-modules-core](https://patchblox.com/security/data/product/linux/kernel-64k-modules-core.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-64k-modules-extra](https://patchblox.com/security/data/product/linux/kernel-64k-modules-extra.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-abi-stablelists](https://patchblox.com/security/data/product/linux/kernel-abi-stablelists.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-core](https://patchblox.com/security/data/product/linux/kernel-core.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-debug](https://patchblox.com/security/data/product/linux/kernel-debug.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-debug-core](https://patchblox.com/security/data/product/linux/kernel-debug-core.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-debug-devel](https://patchblox.com/security/data/product/linux/kernel-debug-devel.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-debug-devel-matched](https://patchblox.com/security/data/product/linux/kernel-debug-devel-matched.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-debug-modules](https://patchblox.com/security/data/product/linux/kernel-debug-modules.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-debug-modules-core](https://patchblox.com/security/data/product/linux/kernel-debug-modules-core.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-debug-modules-extra.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-debug-uki-virt](https://patchblox.com/security/data/product/linux/kernel-debug-uki-virt.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-devel](https://patchblox.com/security/data/product/linux/kernel-devel.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-devel-matched](https://patchblox.com/security/data/product/linux/kernel-devel-matched.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-doc](https://patchblox.com/security/data/product/linux/kernel-doc.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-modules](https://patchblox.com/security/data/product/linux/kernel-modules.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-modules-core](https://patchblox.com/security/data/product/linux/kernel-modules-core.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-modules-extra](https://patchblox.com/security/data/product/linux/kernel-modules-extra.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-rt](https://patchblox.com/security/data/product/linux/kernel-rt.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-rt-64k](https://patchblox.com/security/data/product/linux/kernel-rt-64k.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-rt-64k-core](https://patchblox.com/security/data/product/linux/kernel-rt-64k-core.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-rt-64k-debug](https://patchblox.com/security/data/product/linux/kernel-rt-64k-debug.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-rt-64k-debug-core](https://patchblox.com/security/data/product/linux/kernel-rt-64k-debug-core.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-rt-64k-debug-devel](https://patchblox.com/security/data/product/linux/kernel-rt-64k-debug-devel.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-rt-64k-debug-modules](https://patchblox.com/security/data/product/linux/kernel-rt-64k-debug-modules.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-rt-64k-debug-modules-core](https://patchblox.com/security/data/product/linux/kernel-rt-64k-debug-modules-core.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-rt-64k-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-rt-64k-debug-modules-extra.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-rt-64k-devel](https://patchblox.com/security/data/product/linux/kernel-rt-64k-devel.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-rt-64k-modules](https://patchblox.com/security/data/product/linux/kernel-rt-64k-modules.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-rt-64k-modules-core](https://patchblox.com/security/data/product/linux/kernel-rt-64k-modules-core.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-rt-64k-modules-extra](https://patchblox.com/security/data/product/linux/kernel-rt-64k-modules-extra.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-rt-core](https://patchblox.com/security/data/product/linux/kernel-rt-core.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-rt-debug](https://patchblox.com/security/data/product/linux/kernel-rt-debug.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-rt-debug-core](https://patchblox.com/security/data/product/linux/kernel-rt-debug-core.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-rt-debug-devel](https://patchblox.com/security/data/product/linux/kernel-rt-debug-devel.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-rt-debug-modules](https://patchblox.com/security/data/product/linux/kernel-rt-debug-modules.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-rt-debug-modules-core](https://patchblox.com/security/data/product/linux/kernel-rt-debug-modules-core.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-rt-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-rt-debug-modules-extra.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-rt-devel](https://patchblox.com/security/data/product/linux/kernel-rt-devel.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-rt-modules](https://patchblox.com/security/data/product/linux/kernel-rt-modules.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-rt-modules-core](https://patchblox.com/security/data/product/linux/kernel-rt-modules-core.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-rt-modules-extra](https://patchblox.com/security/data/product/linux/kernel-rt-modules-extra.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-tools](https://patchblox.com/security/data/product/linux/kernel-tools.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-tools-libs](https://patchblox.com/security/data/product/linux/kernel-tools-libs.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-tools-libs-devel](https://patchblox.com/security/data/product/linux/kernel-tools-libs-devel.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-uki-virt](https://patchblox.com/security/data/product/linux/kernel-uki-virt.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-uki-virt-addons](https://patchblox.com/security/data/product/linux/kernel-uki-virt-addons.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-zfcpdump](https://patchblox.com/security/data/product/linux/kernel-zfcpdump.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-zfcpdump-core](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-core.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-zfcpdump-devel](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-devel.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-zfcpdump-devel-matched](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-devel-matched.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-zfcpdump-modules](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-modules.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-zfcpdump-modules-core](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-modules-core.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [kernel-zfcpdump-modules-extra](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-modules-extra.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [libperf](https://patchblox.com/security/data/product/linux/libperf.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [perf](https://patchblox.com/security/data/product/linux/perf.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [python3-perf](https://patchblox.com/security/data/product/linux/python3-perf.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [rtla](https://patchblox.com/security/data/product/linux/rtla.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |
| [rv](https://patchblox.com/security/data/product/linux/rv.md) | RHEL 9 | 0:5.14.0-687.10.1.el9_8 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-46300](https://patchblox.com/security/data/cve/CVE-2026-46300.md) | Patch now | net: skbuff: preserve shared-frag marker during coalescing | 8.1 | 0.1613 | CISA KEV |
| [CVE-2026-31402](https://patchblox.com/security/data/cve/CVE-2026-31402.md) | Urgent | kernel-default: The SUSE Linux Enterprise 15 SP6 kernel was updated to fix various security issues  The following security issues wer... | 9.8 | 0.0122 |  |
| [CVE-2026-43284](https://patchblox.com/security/data/cve/CVE-2026-43284.md) | High | xfrm: esp: avoid in-place decrypt on shared skb frags | 8.8 | 0.9419 |  |
| [CVE-2026-46333](https://patchblox.com/security/data/cve/CVE-2026-46333.md) | High | ptrace: slightly saner 'get_dumpable()' logic | 8.1 | 0.0430 |  |
| [CVE-2026-43503](https://patchblox.com/security/data/cve/CVE-2026-43503.md) | High | net: skbuff: propagate shared-frag marker through frag-transfer helpers | 8.8 | 0.0199 |  |
| [CVE-2025-71116](https://patchblox.com/security/data/cve/CVE-2025-71116.md) | High | libceph: make decode_pool() more resilient against corrupted osdmaps | 8.1 | 0.0046 |  |
| [CVE-2026-22984](https://patchblox.com/security/data/cve/CVE-2026-22984.md) | High | kernel: In the Linux kernel, the following vulnerability has been resolved: libceph: prevent potential out-of-bounds reads in... | 8.8 | 0.0041 |  |
| [CVE-2026-22990](https://patchblox.com/security/data/cve/CVE-2026-22990.md) | High | kernel: In the Linux kernel, the following vulnerability has been resolved: libceph: replace overzealous BUG_ON in osdmap_app... | 8.8 | 0.0040 |  |
| [CVE-2026-31607](https://patchblox.com/security/data/cve/CVE-2026-31607.md) | High | usbip: validate number_of_packets in usbip_pack_ret_submit() | 9.8 | 0.0031 |  |
| [CVE-2026-23136](https://patchblox.com/security/data/cve/CVE-2026-23136.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  libceph: reset sparse-read state in osd_fault()... | 8.1 | 0.0025 |  |
| [CVE-2026-23401](https://patchblox.com/security/data/cve/CVE-2026-23401.md) | High | KVM: x86/mmu: Drop/zap existing present SPTE even when creating an MMIO SPTE | 8.8 | 0.0019 |  |
| [CVE-2026-31532](https://patchblox.com/security/data/cve/CVE-2026-31532.md) | High | can: raw: fix ro->uniq use-after-free in raw_rcv() | 8.8 | 0.0017 |  |
| [CVE-2026-43128](https://patchblox.com/security/data/cve/CVE-2026-43128.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  RDMA/umem: Fix double dma_buf_unpin in failure p... | 8.1 | 0.0014 |  |
| [CVE-2026-23270](https://patchblox.com/security/data/cve/CVE-2026-23270.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  net/sched: Only allow act_ct to bind to clsact/i... | 8.1 | 0.0014 |  |
| [CVE-2026-43163](https://patchblox.com/security/data/cve/CVE-2026-43163.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  md/bitmap: fix GPF in write_page caused by resiz... | 8.1 | 0.0009 |  |

---

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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