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Bug 1441093 - (CVE-2017-7618) CVE-2017-7618 kernel: Infinite recursion in ahash.c by triggering EBUSY on a full queue
CVE-2017-7618 kernel: Infinite recursion in ahash.c by triggering EBUSY on a ...
Status: CLOSED NOTABUG
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
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Assigned To: Red Hat Product Security
impact=low,public=20170410,reported=2...
: Security
Depends On: 1441095 1443983
Blocks: 1441099
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Reported: 2017-04-11 04:23 EDT by Andrej Nemec
Modified: 2017-04-24 08:07 EDT (History)
34 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
A vulnerability was found in crypto/ahash.c in the Linux kernel which allows attackers to cause a denial of service (API operation calling its own callback, and infinite recursion) by triggering EBUSY on a full queue.
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Last Closed: 2017-04-24 08:04:22 EDT
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
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Description Andrej Nemec 2017-04-11 04:23:28 EDT 
crypto/ahash.c in the Linux kernel allows attackers to cause a denial of service (API operation calling its own callback, and infinite recursion) by triggering EBUSY on a full queue.

Initial discussion:

https://www.spinics.net/lists/linux-crypto/msg25101.html

http://marc.info/?t=149181406700001&r=1&w=2

http://marc.info/?t=149181666400002&r=1&w=2

Proposed patch:

http://marc.info/?l=linux-crypto-vger&m=149181655623850&w=2

Upstream patch:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ef0579b64e93188710d48667cb5e014926af9f1b
Comment 1 Andrej Nemec 2017-04-11 04:26:31 EDT 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1441095]
Comment 4 Vladis Dronov 2017-04-24 08:04:22 EDT 
Statement:

This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6, 7 and MRG-2 as the code where the flaw was found is not present in these products.
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