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THREAT OPS › Threat News › [NVD] CVE-2026-52910 (HIGH 7.8) — In the Linux kernel, the following vulnerability has been resolved: bpf: Free reuseport cBPF prog after RCU grace period. Eulgyu Kim reported the splat below with a repro. [0] The repro sets up a UDP reuseport group with a cBPF prog and replaces it with a new one while another

[NVD] CVE-2026-52910 (HIGH 7.8) — In the Linux kernel, the following vulnerability has been resolved: bpf: Free reuseport cBPF prog after RCU grace period. Eulgyu Kim reported the splat below with a repro. [0] The repro sets up a UDP reuseport group with a cBPF prog and replaces it with a new one while another

lownvdPublished 2026-06-19

CVE-2026-52910 CVSS: 7.8 HIGH Published: 2026-06-19T15:16:35.487

In the Linux kernel, the following vulnerability has been resolved:

bpf: Free reuseport cBPF prog after RCU grace period.

Eulgyu Kim reported the splat below with a repro. [0]

The repro sets up a UDP reuseport group with a cBPF prog and replaces it with a new one while another thread is sending a UDP packet to the group.

The reu

Indicators of compromise

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-52910