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Bug 1619846 - (CVE-2018-14625) CVE-2018-14625 kernel: use-after-free Read in vhost_transport_send_pkt
CVE-2018-14625 kernel: use-after-free Read in vhost_transport_send_pkt
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20180730,repor...
: Security
Depends On: 1619847 1619848 1619849 1623776 1642210 1642211
Blocks: 1619850
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Reported: 2018-08-21 17:53 EDT by Laura Pardo
Modified: 2018-10-23 22:17 EDT (History)
45 users (show)

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Doc Text:
A flaw was found where an attacker may be able to have an uncontrolled read to kernel-memory from within a vm guest. A race condition between connect() and close() function may allow an attacker using the AF_VSOCK protocol to gather a 4 byte information leak or possibly impersonate AF_VSOCK messages destined to other clients or leak kernel memory.
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RHEL 7.3 requirements from Atomic Host:
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Description Laura Pardo 2018-08-21 17:53:33 EDT 
A flaw was found in Linux Kernel in which an attacker may be able to have an uncontrolled read to kernel-memory from within a vm guest.  A race condition between connect() and close() function may allow an attacker using the AF_VSOCK protocol to gather a 4 byte information leak or possibly intercept or corrupt AF_VSOCK messages destined to other clients.


Introduced by:
https://github.com/torvalds/linux/commit/433fc58e6bf2c8bd97e57153ed28e64fd78207b8

References:
https://syzkaller.appspot.com/bug?extid=bd391451452fb0b93039
Comment 1 Laura Pardo 2018-08-21 17:54:34 EDT 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1619847]
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