# ELSA-2026-83207: Security update for 30 packages

ELSA-2026-83207, released November 7, 2026, fixes 20 CVEs across 30 products. None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/elsa-2026-83207
- Platform: Linux
- Released: Nov 7, 2026
- Priority: Urgent (Closes CVE-2026-89526, rated Critical)
- CVEs: 20, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://linux.oracle.com/errata/ELSA-2026-83207.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | ol 10 | 0:6.12.0-211.66.1.el10_2 |
| [kernel-abi-stablelists](https://patchblox.com/security/data/product/linux/kernel-abi-stablelists.md) | ol 10 | 0:6.12.0-211.66.1.el10_2 |
| [kernel-core](https://patchblox.com/security/data/product/linux/kernel-core.md) | ol 10 | 0:6.12.0-211.66.1.el10_2 |
| [kernel-cross-headers](https://patchblox.com/security/data/product/linux/kernel-cross-headers.md) | ol 10 | 0:6.12.0-211.66.1.el10_2 |
| [kernel-debug](https://patchblox.com/security/data/product/linux/kernel-debug.md) | ol 10 | 0:6.12.0-211.66.1.el10_2 |
| [kernel-debug-core](https://patchblox.com/security/data/product/linux/kernel-debug-core.md) | ol 10 | 0:6.12.0-211.66.1.el10_2 |
| [kernel-debug-devel](https://patchblox.com/security/data/product/linux/kernel-debug-devel.md) | ol 10 | 0:6.12.0-211.66.1.el10_2 |
| [kernel-debug-devel-matched](https://patchblox.com/security/data/product/linux/kernel-debug-devel-matched.md) | ol 10 | 0:6.12.0-211.66.1.el10_2 |
| [kernel-debug-modules](https://patchblox.com/security/data/product/linux/kernel-debug-modules.md) | ol 10 | 0:6.12.0-211.66.1.el10_2 |
| [kernel-debug-modules-core](https://patchblox.com/security/data/product/linux/kernel-debug-modules-core.md) | ol 10 | 0:6.12.0-211.66.1.el10_2 |
| [kernel-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-debug-modules-extra.md) | ol 10 | 0:6.12.0-211.66.1.el10_2 |
| [kernel-debug-uki-virt](https://patchblox.com/security/data/product/linux/kernel-debug-uki-virt.md) | ol 10 | 0:6.12.0-211.66.1.el10_2 |
| [kernel-devel](https://patchblox.com/security/data/product/linux/kernel-devel.md) | ol 10 | 0:6.12.0-211.66.1.el10_2 |
| [kernel-devel-matched](https://patchblox.com/security/data/product/linux/kernel-devel-matched.md) | ol 10 | 0:6.12.0-211.66.1.el10_2 |
| [kernel-doc](https://patchblox.com/security/data/product/linux/kernel-doc.md) | ol 10 | 0:6.12.0-211.66.1.el10_2 |
| [kernel-headers](https://patchblox.com/security/data/product/linux/kernel-headers.md) | ol 10 | 0:6.12.0-211.66.1.el10_2 |
| [kernel-modules](https://patchblox.com/security/data/product/linux/kernel-modules.md) | ol 10 | 0:6.12.0-211.66.1.el10_2 |
| [kernel-modules-core](https://patchblox.com/security/data/product/linux/kernel-modules-core.md) | ol 10 | 0:6.12.0-211.66.1.el10_2 |
| [kernel-modules-extra](https://patchblox.com/security/data/product/linux/kernel-modules-extra.md) | ol 10 | 0:6.12.0-211.66.1.el10_2 |
| [kernel-modules-extra-matched](https://patchblox.com/security/data/product/linux/kernel-modules-extra-matched.md) | ol 10 | 0:6.12.0-211.66.1.el10_2 |
| [kernel-tools](https://patchblox.com/security/data/product/linux/kernel-tools.md) | ol 10 | 0:6.12.0-211.66.1.el10_2 |
| [kernel-tools-libs](https://patchblox.com/security/data/product/linux/kernel-tools-libs.md) | ol 10 | 0:6.12.0-211.66.1.el10_2 |
| [kernel-tools-libs-devel](https://patchblox.com/security/data/product/linux/kernel-tools-libs-devel.md) | ol 10 | 0:6.12.0-211.66.1.el10_2 |
| [kernel-uki-virt](https://patchblox.com/security/data/product/linux/kernel-uki-virt.md) | ol 10 | 0:6.12.0-211.66.1.el10_2 |
| [kernel-uki-virt-addons](https://patchblox.com/security/data/product/linux/kernel-uki-virt-addons.md) | ol 10 | 0:6.12.0-211.66.1.el10_2 |
| [libperf](https://patchblox.com/security/data/product/linux/libperf.md) | ol 10 | 0:6.12.0-211.66.1.el10_2 |
| [perf](https://patchblox.com/security/data/product/linux/perf.md) | ol 10 | 0:6.12.0-211.66.1.el10_2 |
| [python3-perf](https://patchblox.com/security/data/product/linux/python3-perf.md) | ol 10 | 0:6.12.0-211.66.1.el10_2 |
| [rtla](https://patchblox.com/security/data/product/linux/rtla.md) | ol 10 | 0:6.12.0-211.66.1.el10_2 |
| [rv](https://patchblox.com/security/data/product/linux/rv.md) | ol 10 | 0:6.12.0-211.66.1.el10_2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-89526](https://patchblox.com/security/data/cve/CVE-2026-89526.md) | Urgent | svcrdma: Validate Read chunk positions before reconstruction | 9.8 | 0.0068 |  |
| [CVE-2026-89689](https://patchblox.com/security/data/cve/CVE-2026-89689.md) | Urgent | linux: In the Linux kernel, the following vulnerability has been resolved:  nfsd: don't free session slots that are still in... | 9.8 | 0.0061 |  |
| [CVE-2026-90036](https://patchblox.com/security/data/cve/CVE-2026-90036.md) | Urgent | NFSD: Prevent client use-after-free during blocked-lock reaping | 9.8 | 0.0048 |  |
| [CVE-2026-93207](https://patchblox.com/security/data/cve/CVE-2026-93207.md) | Urgent | SUNRPC: Zero rpc_gss_wire_cred at svcauth_gss_decode_credbody() entry | 9.8 | 0.0047 |  |
| [CVE-2026-63974](https://patchblox.com/security/data/cve/CVE-2026-63974.md) | Urgent | Bluetooth: hci_sync: Set HCI_CMD_DRAIN_WORKQUEUE during device close | 9.8 | 0.0035 |  |
| [CVE-2026-68140](https://patchblox.com/security/data/cve/CVE-2026-68140.md) | Urgent | net/iucv: fix use-after-free of a severed iucv_path | 9.8 | 0.0028 |  |
| [CVE-2026-68377](https://patchblox.com/security/data/cve/CVE-2026-68377.md) | Urgent | net/sched: act_tunnel_key: Defer dst_release to RCU callback | 9.8 | 0.0013 |  |
| [CVE-2026-45859](https://patchblox.com/security/data/cve/CVE-2026-45859.md) | High | netfilter: nfnetlink_queue: do shared-unconfirmed check before segmentation | 8.1 | 0.0071 |  |
| [CVE-2026-80985](https://patchblox.com/security/data/cve/CVE-2026-80985.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  net/smc: carry oversized SMC-Rv2 LLC messages in... | 8.8 | 0.0053 |  |
| [CVE-2026-93228](https://patchblox.com/security/data/cve/CVE-2026-93228.md) | High | svcrdma: Reject Write/Reply chunks with segcount 0 | 9.1 | 0.0050 |  |
| [CVE-2026-64162](https://patchblox.com/security/data/cve/CVE-2026-64162.md) | High | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system | 9.8 | 0.0044 |  |
| [CVE-2026-64030](https://patchblox.com/security/data/cve/CVE-2026-64030.md) | High | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system | 8.8 | 0.0024 |  |
| [CVE-2026-72262](https://patchblox.com/security/data/cve/CVE-2026-72262.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  ASoC: SOF: ipc3-control: Fix heap overflow in by... | 8.8 | 0.0018 |  |
| [CVE-2026-63899](https://patchblox.com/security/data/cve/CVE-2026-63899.md) | High | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system | 8.8 | 0.0018 |  |
| [CVE-2026-89894](https://patchblox.com/security/data/cve/CVE-2026-89894.md) | High | media: cx231xx: reject geometry changes while the VBI queue is busy | 8.1 | 0.0017 |  |
| [CVE-2026-64032](https://patchblox.com/security/data/cve/CVE-2026-64032.md) | High | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system | 8.8 | 0.0013 |  |
| [CVE-2026-53011](https://patchblox.com/security/data/cve/CVE-2026-53011.md) | High | net/sched: taprio: fix use-after-free in advance_sched() on schedule switch | 8.8 | 0.0013 |  |
| [CVE-2026-74641](https://patchblox.com/security/data/cve/CVE-2026-74641.md) | High | ALSA: usx2y: bound the hwdep mmap fault offset | 8.8 | 0.0013 |  |
| [CVE-2026-74574](https://patchblox.com/security/data/cve/CVE-2026-74574.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  dmaengine: idxd: fix fdev setup failure cleanup... | 8.1 | 0.0012 |  |
| [CVE-2026-46319](https://patchblox.com/security/data/cve/CVE-2026-46319.md) | High | net/sched: act_ct: Only release RCU read lock after ct_ft | 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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