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CVE-2024-35839 is a memory-lifetime flaw in the Linux kernel Netfilter bridge path. A packet may be queued in a neighbor ARP queue whose associated network device differs from the packet's original device, such as during destination-NAT bridging between virtual Ethernet interfaces. The bridge metadata retained a direct physical-input net_device reference. Because that device can be freed without cleanup of packets queued on a different device's neighbor queue, subsequent packet processing can restore and dereference a stale device pointer, causing a kernel crash. The fix replaces the stored device pointer with an interface index and performs an RCU-safe device lookup; packets are dropped if the device is no longer present.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
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.
13 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A locally exploitable vulnerability requiring low privileges, with a potential high availability impact; the content provides no affected-component or technical root-cause details.
Linux kernel netfilter bridge interface-reference handling flaw.
Linux kernel netfilter bridge handling flaw involving nf_bridge_info fixed in the Red Hat kernel-rt update.
Linux kernel netfilter bridge issue involving replacement of physindev with physinif in nf_bridge_info.
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.