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THREAT OPS › Threat News › [NVD] CVE-2026-53366 (HIGH 7.8) — In the Linux kernel, the following vulnerability has been resolved: ipv4: account for fraggap on the paged allocation path In __ip_append_data(), when the paged-allocation branch is taken, alloclen and pagedlen are computed as alloclen = fragheaderlen + transhdrlen; pagedlen

[NVD] CVE-2026-53366 (HIGH 7.8) — In the Linux kernel, the following vulnerability has been resolved: ipv4: account for fraggap on the paged allocation path In __ip_append_data(), when the paged-allocation branch is taken, alloclen and pagedlen are computed as alloclen = fragheaderlen + transhdrlen; pagedlen

lownvdPublished 2026-07-16

CVE-2026-53366 CVSS: 7.8 HIGH Published: 2026-07-16T06:16:27.333

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

ipv4: account for fraggap on the paged allocation path

In __ip_append_data(), when the paged-allocation branch is taken, alloclen and pagedlen are computed as

alloclen = fragheaderlen + transhdrlen; pagedlen = datalen - transhdrlen;

datalen already includes fr

Indicators of compromise

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-53366