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Advisorymedium

Ubuntu patches Linux kernel (BlueField) flaws in USN-8965-1

Original title: USN-8965-1: Linux kernel (BlueField) vulnerabilities

Ubuntu Security Notices ()1
AI summary · x-ai/grok-4.7Summaries by Vani AI

The notice lists 11 CVE ids across networking, storage, NFS, tracing, and io_uring, with no exploitation status.

Ubuntu published USN-8965-1 for the Linux kernel (BlueField). It says several security issues were discovered and an attacker could possibly use them to compromise the system. The update corrects flaws in Ethernet bonding, network and SCSI drivers, F2FS, the NFS client, tracing, io_uring, networking, IUCV, and RxRPC.

Unconfirmed: Exploitation status and fixed versions are not stated.

Key facts
  • Listed ids include CVE-2024-53187, CVE-2025-39730, and CVE-2026-52910.
  • Older ids cited include CVE-2022-49082 and CVE-2022-49201.
  • Subsystems named include F2FS, NFS client, and io_uring.
  • No fixed versions appear in the feed snippet.
Security assessment · AI, from the article

Impact: possible compromise of the system

ProductAffected
Ubuntu Linux kernel (BlueField)—
What to do
  1. 1.Install the Linux kernel (BlueField) update from USN-8965-1.
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Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2022-49170
+4 related CVEs
Linux kernel: f2fs: fix to do sanity check on curseg->alloc_type
7.8
group max
<1%
CVE-2024-53187
+1 related CVE
Linux kernel: io_uring: check for overflows in io_pin_pages
5.5<1%
CVE-2024-56763
Linux kernel: tracing: Prevent bad count for tracing_cpumask_write
5.5<1%
CVE-2025-39730
Linux kernel: NFS
7.8<1%
CVE-2026-43456
Linux kernel: bonding: fix type confusion in bond_setup_by_slave() kernel
7.8<1%
CVE-2026-52910
Linux kernel: bpf: Free reuseport cBPF prog after RCU grace period. Eulgyu Kim reported the splat below with a repro. [0]
7.8<1%PoC

From the original article

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system.

Ubuntu Security Notices

ubuntu.com

Read the full article at Ubuntu Security Notices

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.