# RHSA-2026:64775: kernel security update

RHSA-2026:64775, released August 6, 2026, fixes 18 CVEs in kernel (version 6.12.0-211.52.1.el10_2). None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-64775
- Platform: Linux
- Released: Aug 6, 2026
- Priority: Urgent (Closes CVE-2026-46266, rated Critical)
- CVEs: 18, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:64775

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | RHEL 10 | 6.12.0-211.52.1.el10_2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-46266](https://patchblox.com/security/data/cve/CVE-2026-46266.md) | Urgent | linux: In the Linux kernel, the following vulnerability has been resolved:  inet: RAW sockets using IPPROTO_RAW MUST drop in... | 9.1 | 0.0047 |  |
| [CVE-2026-53075](https://patchblox.com/security/data/cve/CVE-2026-53075.md) | Urgent | ppp: require CAP_NET_ADMIN in target netns for unattached ioctls | 9.8 | 0.0027 |  |
| [CVE-2026-53228](https://patchblox.com/security/data/cve/CVE-2026-53228.md) | High | ipv6: sit: reload inner IPv6 header after GSO offloads | 9.8 | 0.0058 |  |
| [CVE-2026-46306](https://patchblox.com/security/data/cve/CVE-2026-46306.md) | High | flow_dissector: do not dissect PPPoE PFC frames | 8.1 | 0.0045 |  |
| [CVE-2026-53235](https://patchblox.com/security/data/cve/CVE-2026-53235.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  net: add pskb_may_pull() to skb_gro_receive_list... | 7.8 | 0.0044 |  |
| [CVE-2026-64597](https://patchblox.com/security/data/cve/CVE-2026-64597.md) | High | smb: client: fix double-free in SMB2_close() replay | 9.8 | 0.0036 |  |
| [CVE-2025-38004](https://patchblox.com/security/data/cve/CVE-2025-38004.md) | High | can: bcm: add locking for bcm_op runtime updates | 7.8 | 0.0028 |  |
| [CVE-2026-53275](https://patchblox.com/security/data/cve/CVE-2026-53275.md) | High | ipv6: mcast: Fix use-after-free when processing MLD queries | 8.8 | 0.0026 |  |
| [CVE-2026-64287](https://patchblox.com/security/data/cve/CVE-2026-64287.md) | High | KVM: arm64: Bound used_lrs when flushing the pKVM hyp vCPU | 8.2 | 0.0018 |  |
| [CVE-2026-64265](https://patchblox.com/security/data/cve/CVE-2026-64265.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  fuse: clear intr_entry in fuse_resend and fuse_r... | 7.8 | 0.0017 |  |
| [CVE-2026-64563](https://patchblox.com/security/data/cve/CVE-2026-64563.md) | High | rhashtable: clear stale iter->p on table restart | 8.1 | 0.0017 |  |
| [CVE-2026-43339](https://patchblox.com/security/data/cve/CVE-2026-43339.md) | High | kernel: In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent possible UaF in addrconf_permanent_... | 8.1 | 0.0016 |  |
| [CVE-2026-53223](https://patchblox.com/security/data/cve/CVE-2026-53223.md) | High | kernel: In the Linux kernel, the following vulnerability has been resolved: net: guard timestamp cmsgs to real error queue sk... | 8.1 | 0.0014 |  |
| [CVE-2026-46015](https://patchblox.com/security/data/cve/CVE-2026-46015.md) | High | tcp: call sk_data_ready() after listener migration | 8.1 | 0.0014 |  |
| [CVE-2026-23442](https://patchblox.com/security/data/cve/CVE-2026-23442.md) | High | ipv6: add NULL checks for idev in SRv6 paths | 7.8 | 0.0013 |  |
| [CVE-2026-31503](https://patchblox.com/security/data/cve/CVE-2026-31503.md) | High | udp: Fix wildcard bind conflict check when using hash2 | 7.8 | 0.0013 |  |
| [CVE-2026-53259](https://patchblox.com/security/data/cve/CVE-2026-53259.md) | High | kernel: In the Linux kernel, the following vulnerability has been resolved: ipv6: anycast: insert aca into global hash under... | 7.8 | 0.0012 |  |
| [CVE-2026-53277](https://patchblox.com/security/data/cve/CVE-2026-53277.md) | High | kernel: In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Take the SRCU lock for page table wal... | 8.8 | 0.0011 |  |

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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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