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CVE-2023-45863 is an out-of-bounds write vulnerability in Linux kernel kobject path construction, affecting upstream kernels before 6.2.3. A race during kernel-module load and unload handling can cause fill_kobj_path, reached through kobject_get_path, to write outside its allocated buffer.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
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.
Linux kernel kobject path handling out-of-bounds write vulnerability.
Linux kernel out-of-bounds write in fill_kobj_path.
Linux kernel kobject path construction out-of-bounds-write vulnerability.
Linux kernel kobject path handling out-of-bounds-write 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.