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THREAT OPS › Threat News › [NVD] CVE-2026-46300 (HIGH 7.8) — In the Linux kernel, the following vulnerability has been resolved: net: skbuff: preserve shared-frag marker during coalescing skb_try_coalesce() can attach paged frags from @from to @to. If @from has SKBFL_SHARED_FRAG set, the resulting @to skb can contain the same externally

[NVD] CVE-2026-46300 (HIGH 7.8) — In the Linux kernel, the following vulnerability has been resolved: net: skbuff: preserve shared-frag marker during coalescing skb_try_coalesce() can attach paged frags from @from to @to. If @from has SKBFL_SHARED_FRAG set, the resulting @to skb can contain the same externally

lownvdPublished 2026-05-23

CVE-2026-46300 CVSS: 7.8 HIGH Published: 2026-05-23T12:17:02.660

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

net: skbuff: preserve shared-frag marker during coalescing

skb_try_coalesce() can attach paged frags from @from to @to. If @from has SKBFL_SHARED_FRAG set, the resulting @to skb can contain the same externally-owned or page-cache-backed frags, but the shared-frag

Indicators of compromise

CVE-2026-46300cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-46300