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CVE-2023-45871 is a buffer-overflow vulnerability in the Linux kernel Intel IGB Ethernet driver before version 6.5.3. The flaw resides in igb_configure_rx_ring, which can configure receive buffers that are inadequate for frames exceeding the configured MTU. Processing an oversized frame can cause packet contents to overflow into kernel ring-buffer memory.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
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No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
29 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Linux kernel IGB driver inadequate-buffer-size flaw for frames exceeding the MTU.
Linux kernel Intel IGB driver buffer-size flaw for frames exceeding MTU.
An inadequate-buffer-size vulnerability in the Linux kernel IGB network driver when processing frames larger than the MTU.
Inadequate buffer-size handling in the Linux kernel IGB network driver for frames larger than the MTU.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.