# RHSA-2026:71233: kernel security update

RHSA-2026:71233, released August 15, 2026, fixes 5 CVEs in kernel (version 6.12.0-211.59.1.el10_2). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-71233
- Platform: Linux
- Released: Aug 15, 2026
- Priority: High (Closes CVE-2026-74569, high severity)
- CVEs: 5, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:71233

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | RHEL 10 | 6.12.0-211.59.1.el10_2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-74569](https://patchblox.com/security/data/cve/CVE-2026-74569.md) | High | netfilter: nf_conntrack_sip: widen NAT rewrite delta to s32 in sip_help_tcp() | 9.8 | 0.0039 |  |
| [CVE-2026-23007](https://patchblox.com/security/data/cve/CVE-2026-23007.md) | High | kernel: In the Linux kernel, the following vulnerability has been resolved: block: zero non-PI portion of auto integrity buff... | 8.3 | 0.0020 |  |
| [CVE-2026-68201](https://patchblox.com/security/data/cve/CVE-2026-68201.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  ALSA: timer: drain a slave's callback before its... | 8.3 | 0.0017 |  |
| [CVE-2026-64053](https://patchblox.com/security/data/cve/CVE-2026-64053.md) | High | kernel-64k-debug-devel: The kernel packages contain the Linux kernel, the core of any Linux operating system | 8.3 | 0.0013 |  |
| [CVE-2026-63802](https://patchblox.com/security/data/cve/CVE-2026-63802.md) | High | blk-cgroup: fix UAF in __blkcg_rstat_flush() | 8.3 | 0.0010 |  |

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Data as of 2026-11-07T12:40:37Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo