# RHSA-2026:68507: kernel security update

RHSA-2026:68507, released August 15, 2026, fixes 17 CVEs in kernel (version 6.12.0-211.56.1.el10_2). None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-68507
- Platform: Linux
- Released: Aug 15, 2026
- Priority: Urgent (Closes CVE-2026-68143, rated Critical)
- CVEs: 17, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:68507

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | RHEL 10 | 6.12.0-211.56.1.el10_2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-68143](https://patchblox.com/security/data/cve/CVE-2026-68143.md) | Urgent | net: slip: serialize receive against buffer reallocation | 9.8 | 0.0011 |  |
| [CVE-2026-53176](https://patchblox.com/security/data/cve/CVE-2026-53176.md) | High | IB/isert: Reject login PDUs shorter than ISER_HEADERS_LEN | 9.8 | 0.0076 |  |
| [CVE-2026-64175](https://patchblox.com/security/data/cve/CVE-2026-64175.md) | High | kernel-debug-uki-virt: The kernel packages contain the Linux kernel, the core of any Linux operating system | 8.8 | 0.0046 |  |
| [CVE-2026-64414](https://patchblox.com/security/data/cve/CVE-2026-64414.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  netfilter: handle unreadable frags  sashiko repo... | 7.8 | 0.0044 |  |
| [CVE-2026-64176](https://patchblox.com/security/data/cve/CVE-2026-64176.md) | High | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system | 8.8 | 0.0027 |  |
| [CVE-2026-63869](https://patchblox.com/security/data/cve/CVE-2026-63869.md) | High | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system | 8.8 | 0.0026 |  |
| [CVE-2024-58007](https://patchblox.com/security/data/cve/CVE-2024-58007.md) | High | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system | 7.8 | 0.0025 |  |
| [CVE-2026-23172](https://patchblox.com/security/data/cve/CVE-2026-23172.md) | High | kernel: In the Linux kernel, the following vulnerability has been resolved: net: wwan: t7xx: fix potential skb->frags overflo... | 8.8 | 0.0020 |  |
| [CVE-2026-68363](https://patchblox.com/security/data/cve/CVE-2026-68363.md) | High | wifi: ath9k: hif_usb: don't dereference hif_dev after re-arming firmware request | 8.8 | 0.0018 |  |
| [CVE-2026-63923](https://patchblox.com/security/data/cve/CVE-2026-63923.md) | High | kernel: In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: validate body pcifunc in rvu_mbox_h... | 8.8 | 0.0017 |  |
| [CVE-2026-72102](https://patchblox.com/security/data/cve/CVE-2026-72102.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  dm_early_create: fix freeing used table on dm_re... | 8.8 | 0.0017 |  |
| [CVE-2026-64456](https://patchblox.com/security/data/cve/CVE-2026-64456.md) | High | hwrng: virtio: clamp device-reported used.len at copy_data() | 8.4 | 0.0015 |  |
| [CVE-2026-53193](https://patchblox.com/security/data/cve/CVE-2026-53193.md) | High | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system | 8.8 | 0.0014 |  |
| [CVE-2026-68128](https://patchblox.com/security/data/cve/CVE-2026-68128.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  ice: reject out-of-range ptype in ice_parser_pro... | 8.8 | 0.0014 |  |
| [CVE-2026-52971](https://patchblox.com/security/data/cve/CVE-2026-52971.md) | High | kernel: In the Linux kernel, the following vulnerability has been resolved: net: ena: PHC: Fix potential use-after-free in ge... | 8.8 | 0.0010 |  |
| [CVE-2026-53192](https://patchblox.com/security/data/cve/CVE-2026-53192.md) | High | ALSA: timer: Fix UAF at snd_timer_user_params() | 8.8 | 0.0010 |  |
| [CVE-2026-64029](https://patchblox.com/security/data/cve/CVE-2026-64029.md) | High | kernel-zfcpdump-devel-matched: The kernel packages contain the Linux kernel, the core of any Linux operating system | 8.8 | 0.0010 |  |

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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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