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CVE-2024-35870 is a use-after-free vulnerability in the Linux kernel SMB/CIFS client. The smb2_reconnect_server() worker can access an SMB session while another thread is tearing it down in __cifs_put_smb_ses(), including accessing an already-freed IPC object. The race can occur when the client has a server connection but no session, or when another thread changes ses->ses_status away from SES_EXITING during teardown. Triggering the vulnerability can cause a kernel general-protection fault.
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No public exploit code observed for this vulnerability.
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8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Linux kernel SMB/CIFS client use-after-free race condition in smb2_reconnect_server() during session teardown. It can cause a kernel general-protection fault; the supplied CVSS v3 vector characterizes exploitation as local, low complexity, requiring high privileges, with high confidentiality impact.
A use-after-free flaw in the Linux kernel SMB client smb2_reconnect_server() function, fixed in the Red Hat kernel-rt update.
A use-after-free vulnerability in the Linux kernel SMB client smb2_reconnect_server() function.
A use-after-free vulnerability in the Linux kernel SMB client function smb2_reconnect_server().
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.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.