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Every CVE mentioned in the news ThreatFeed reads, with its severity, how likely it is to be exploited (EPSS), whether it is on CISA's Known Exploited Vulnerabilities list, and any public exploit code in Metasploit or ExploitDB. Use it to find the vulnerabilities being exploited or talked about now: search by CVE or keyword, and narrow by time window, severity or source. Each CVE has an AI action plan: patch now, mitigate or watch.

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CVE-2026-46300 HIGH CVSS: 7.8 EPSS: 16.1% VulnCheck KEV Weaponized Metasploit ExploitDB CWE-787 CWE-456 CWE-123 T1203
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 marker is currently lost. That breaks the invariant relied on by later in-place writers. In particular, ESP input checks skb_has_shared_frag() before deciding whether an uncloned nonlinear skb can skip skb_cow_data(). If TCP receive coalescing has moved shared frags into an unmarked skb, ESP can see skb_has_shared_frag() as false and decrypt in place over page-cache backed frags. Propagate SKBFL_SHARED_FRAG when skb_try_coalesce() transfers paged frags. The tailroom copy path does not need the marker because it copies bytes into @to's linear data rather than transferring frag descriptors.
Published: 2026-05-23
Mentioned in 1 article(s):
CVE-2026-46300 - Linux Kernel Missing Initialization of a Variable Vulnerability
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