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CVE-2024-42265
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MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
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Description
In the Linux kernel, the following vulnerability has been resolved:
protect the fetch of –>fd[fd] in do_dup2() from mispredictions
both callers have verified that fd is not greater than –>max_fds;
however, misprediction might end up with
tofree = fdt->fd[fd];
being speculatively executed. That’s wrong for the same reasons
why it’s wrong in close_fd()/file_close_fd_locked(); the same
solution applies – array_index_nospec(fd, fdt->max_fds) could differ
from fd only in case of speculative execution on mispredicted path.
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General Information
Vendors
- Linux
Products
- Linux
References
Miscellaneous
Additional Info
Technical Analysis
Report as Exploited in the Wild
CVE ID
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