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CVE-2024-27395 is a use-after-free vulnerability in the Linux kernel Open vSwitch connection-tracking cleanup path, ovs_ct_exit. During an RCU traversal in ovs_ct_limit_exit, deferred freeing through kfree_rcu is outside the RCU read-side critical section. An RCU grace period can therefore complete while traversal is still in progress, leaving a traversed key freed. The upstream fix replaces the traversal with hlist_for_each_entry_safe.
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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.
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A locally exploitable vulnerability requiring low privileges that can result in high confidentiality, integrity, and availability impact. The content identifies Unity Linux as the context for the security update but does not specify the affected component or flaw mechanism.
Use-after-free vulnerability in the Linux kernel Open vSwitch connection-tracking teardown path, ovs_ct_exit().
Linux kernel Open vSwitch use-after-free vulnerability in ovs_ct_exit.
Linux kernel Open vSwitch use-after-free flaw fixed in the updated image.
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.