# RHSA-2026:82807: Security update for 23 packages RHSA-2026:82807, released October 16, 2026, fixes 9 CVEs across 23 products. None of them is reported as exploited. Patch Radar priority: Urgent. - Web page: https://patchblox.com/security/fix/linux/rhsa-2026-82807 - Platform: Linux - Released: Oct 16, 2026 - Priority: Urgent (Closes CVE-2026-72318, rated Critical) - CVEs: 9, exploited: 0, on CISA KEV: 0 - Vendor advisory: https://access.redhat.com/errata/RHSA-2026:82807 ## Applies to | Product | Release | Fixed in | |---|---|---| | [bpftool](https://patchblox.com/security/data/product/linux/bpftool.md) | RHEL 8 | 0:4.18.0-553.173.1.el8_10 | | [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | RHEL 8 | 0:4.18.0-553.173.1.el8_10 | | [kernel-abi-stablelists](https://patchblox.com/security/data/product/linux/kernel-abi-stablelists.md) | RHEL 8 | 0:4.18.0-553.173.1.el8_10 | | [kernel-core](https://patchblox.com/security/data/product/linux/kernel-core.md) | RHEL 8 | 0:4.18.0-553.173.1.el8_10 | | [kernel-debug](https://patchblox.com/security/data/product/linux/kernel-debug.md) | RHEL 8 | 0:4.18.0-553.173.1.el8_10 | | [kernel-debug-core](https://patchblox.com/security/data/product/linux/kernel-debug-core.md) | RHEL 8 | 0:4.18.0-553.173.1.el8_10 | | [kernel-debug-devel](https://patchblox.com/security/data/product/linux/kernel-debug-devel.md) | RHEL 8 | 0:4.18.0-553.173.1.el8_10 | | [kernel-debug-modules](https://patchblox.com/security/data/product/linux/kernel-debug-modules.md) | RHEL 8 | 0:4.18.0-553.173.1.el8_10 | | [kernel-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-debug-modules-extra.md) | RHEL 8 | 0:4.18.0-553.173.1.el8_10 | | [kernel-devel](https://patchblox.com/security/data/product/linux/kernel-devel.md) | RHEL 8 | 0:4.18.0-553.173.1.el8_10 | | [kernel-doc](https://patchblox.com/security/data/product/linux/kernel-doc.md) | RHEL 8 | 0:4.18.0-553.173.1.el8_10 | | [kernel-modules](https://patchblox.com/security/data/product/linux/kernel-modules.md) | RHEL 8 | 0:4.18.0-553.173.1.el8_10 | | [kernel-modules-extra](https://patchblox.com/security/data/product/linux/kernel-modules-extra.md) | RHEL 8 | 0:4.18.0-553.173.1.el8_10 | | [kernel-tools](https://patchblox.com/security/data/product/linux/kernel-tools.md) | RHEL 8 | 0:4.18.0-553.173.1.el8_10 | | [kernel-tools-libs](https://patchblox.com/security/data/product/linux/kernel-tools-libs.md) | RHEL 8 | 0:4.18.0-553.173.1.el8_10 | | [kernel-tools-libs-devel](https://patchblox.com/security/data/product/linux/kernel-tools-libs-devel.md) | RHEL 8 | 0:4.18.0-553.173.1.el8_10 | | [kernel-zfcpdump](https://patchblox.com/security/data/product/linux/kernel-zfcpdump.md) | RHEL 8 | 0:4.18.0-553.173.1.el8_10 | | [kernel-zfcpdump-core](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-core.md) | RHEL 8 | 0:4.18.0-553.173.1.el8_10 | | [kernel-zfcpdump-devel](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-devel.md) | RHEL 8 | 0:4.18.0-553.173.1.el8_10 | | [kernel-zfcpdump-modules](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-modules.md) | RHEL 8 | 0:4.18.0-553.173.1.el8_10 | | [kernel-zfcpdump-modules-extra](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-modules-extra.md) | RHEL 8 | 0:4.18.0-553.173.1.el8_10 | | [perf](https://patchblox.com/security/data/product/linux/perf.md) | RHEL 8 | 0:4.18.0-553.173.1.el8_10 | | [python3-perf](https://patchblox.com/security/data/product/linux/python3-perf.md) | RHEL 8 | 0:4.18.0-553.173.1.el8_10 | ## CVEs this fix closes | CVE | Priority | Title | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2026-72318](https://patchblox.com/security/data/cve/CVE-2026-72318.md) | Urgent | linux: In the Linux kernel, the following vulnerability has been resolved: cifs: validate DFS referral string offsets pars... | 9.4 | 0.0059 | | | [CVE-2026-68236](https://patchblox.com/security/data/cve/CVE-2026-68236.md) | Urgent | drm/amd/display: set new_stream to NULL after release | 9.8 | 0.0013 | | | [CVE-2026-68409](https://patchblox.com/security/data/cve/CVE-2026-68409.md) | High | wifi: mac80211: defer link RX stats percpu free to RCU | 8.8 | 0.0031 | | | [CVE-2026-68278](https://patchblox.com/security/data/cve/CVE-2026-68278.md) | High | drm/dp/mst: fix buffer overflows in sideband chunk accumulation | 8.1 | 0.0024 | | | [CVE-2026-89811](https://patchblox.com/security/data/cve/CVE-2026-89811.md) | High | drm/amdkfd: Add TLB flush after MES queue eviction/suspension | 8.8 | 0.0018 | | | [CVE-2026-63920](https://patchblox.com/security/data/cve/CVE-2026-63920.md) | High | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system | 8.1 | 0.0017 | | | [CVE-2026-80887](https://patchblox.com/security/data/cve/CVE-2026-80887.md) | High | drm/vmwgfx: use check_add_overflow for shader size+offset bound | 8.1 | 0.0017 | | | [CVE-2026-68108](https://patchblox.com/security/data/cve/CVE-2026-68108.md) | High | drm/amdgpu/vce: fix integer overflow in image size | 8.8 | 0.0014 | | | [CVE-2026-31678](https://patchblox.com/security/data/cve/CVE-2026-31678.md) | High | openvswitch: defer tunnel netdev_put to RCU release | 8.8 | 0.0013 | | --- Data as of 2026-11-07T12:40:37Z UTC. 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