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CVE-2024-0565 is an integer-underflow vulnerability in the Linux kernel SMB/CIFS client’s receive_encrypted_standard function in fs/smb/client/smb2ops.c. An underflow in the length supplied to memcpy can cause an out-of-bounds memory read while processing an encrypted standard SMB message. The primary reported impact is denial of service; several downstream Red Hat advisories additionally describe the issue as potentially permitting remote code execution.
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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.
15 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Vulnerability addressed by the AlmaLinux 9.2 TuxCare advisory.
A vulnerability included in the TuxCare AlmaLinux 9.2 kernel security update advisory.
A vulnerability tracked as CVE-2024-0565 affecting Unity Linux/UOS Server systems; the supplied record provides CVSS scoring but does not identify the technical flaw or affected package.
Linux kernel CIFS client improper-input-validation vulnerability in receive_encrypted_standard that may permit remote code execution.
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.