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CVE-2023-5717 is a heap out-of-bounds write vulnerability in the Linux kernel Performance Events subsystem. When perf_read_group() processes an event whose sibling_list is smaller than its child event’s sibling_list, it can increment or write outside the bounds of the allocated buffer, including before its beginning or beyond its end.
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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.
15 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Linux kernel heap out-of-bounds write vulnerability.
Heap out-of-bounds write in Linux kernel perf_read_group when sibling-list sizes are inconsistent.
Linux kernel heap out-of-bounds write in perf_read_group().
Heap out-of-bounds write vulnerability in the Linux kernel perf_read_group function caused by sibling-list size handling.
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.