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CVE-2023-52578 is a race condition in the Linux kernel bridge networking subsystem's br_handle_frame_finish() function. The function may execute concurrently on multiple CPUs without mutual exclusion while updating shared network-device statistics, including dropped-transmit counters. Non-atomic updates can race and lose or corrupt statistics values. The upstream fix replaces the affected increments with SMP-safe DEV_STATS_INC() operations, including updates to the dropped-transmit statistic.
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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.
18 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Data-race flaw in Linux kernel bridge frame handling.
Data-race vulnerability in Linux kernel network bridge frame handling.
Linux kernel networking bridge data-race issue in br_handle_frame_finish().
Linux kernel bridge networking data-race vulnerability.
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.