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Bug 1553361 - (CVE-2018-7757) CVE-2018-7757 kernel: Memory leak in the sas_smp_get_phy_events function in drivers/scsi/libsas/sas_expander.c
CVE-2018-7757 kernel: Memory leak in the sas_smp_get_phy_events function in d...
Status: NEW
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=20180308,reported=2...
: Security
Depends On: 1558579 1558583 1509922 1553363 1558580 1558581 1558582
Blocks: 1553365
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Reported: 2018-03-08 13:16 EST by Pedro Sampaio
Modified: 2018-10-30 04:59 EDT (History)
44 users (show)

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Doc Text:
Memory leak in the sas_smp_get_phy_events function in drivers/scsi/libsas/sas_expander.c in the Linux kernel allows local users to cause a denial of service (kernel memory exhaustion) via multiple read accesses to files in the /sys/class/sas_phy directory.
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RHEL 7.3 requirements from Atomic Host:
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External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2018:2948 None None None 2018-10-30 04:59 EDT
Red Hat Product Errata RHSA-2018:3083 None None None 2018-10-30 03:32 EDT
Red Hat Product Errata RHSA-2018:3096 None None None 2018-10-30 03:38 EDT

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Description Pedro Sampaio 2018-03-08 13:16:18 EST 
Memory leak in the sas_smp_get_phy_events function in drivers/scsi/libsas/sas_expander.c in the Linux kernel allows local users to cause a denial of service (kernel memory exhaustion) via multiple read accesses to files in the /sys/class/sas_phy directory.

An upstream patch:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4a491b1ab11ca0556d2fda1ff1301e862a2d44c4
Comment 1 Pedro Sampaio 2018-03-08 13:17:31 EST 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1553363]
Comment 5 errata-xmlrpc 2018-10-30 03:32:01 EDT 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2018:3083 https://access.redhat.com/errata/RHSA-2018:3083
Comment 6 errata-xmlrpc 2018-10-30 03:38:07 EDT 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2018:3096 https://access.redhat.com/errata/RHSA-2018:3096
Comment 7 errata-xmlrpc 2018-10-30 04:58:50 EDT 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2018:2948 https://access.redhat.com/errata/RHSA-2018:2948
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