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Bug 1597826 - (CVE-2018-12928) CVE-2018-12928 kernel: NULL pointer dereference in hfs_ext_read_extent in hfs.ko
CVE-2018-12928 kernel: NULL pointer dereference in hfs_ext_read_extent in hfs.ko
Status: CLOSED WONTFIX
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=20180412,reported=2...
: Security
Depends On: 1597827 1597830
Blocks: 1597828
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Reported: 2018-07-03 12:49 EDT by Laura Pardo
Modified: 2018-10-18 10:52 EDT (History)
47 users (show)

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Doc Text:
A flaw was found in the Linux kernel, a NULL pointer dereference can happen in hfs_ext_read_extent in hfs.ko which can occur during a mount of a crafted hfs filesystem. This can lead to a system crash and a denial of service.
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Last Closed: 2018-07-10 07:27:13 EDT
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
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Description Laura Pardo 2018-07-03 12:49:34 EDT 
A flaw was found in the Linux kernel, a NULL pointer dereference can happen in hfs_ext_read_extent in hfs.ko leading to a system crash and a denial of service. This can occur during a mount of a crafted hfs filesystem.

References:

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1763384

https://marc.info/?l=linux-fsdevel&m=152406881024567&w=2

https://marc.info/?t=152406893000001&r=1&w=2
Comment 1 Laura Pardo 2018-07-03 12:51:05 EDT 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1597827]
Comment 6 Vladis Dronov 2018-07-10 07:27:13 EDT 
Note:

An HFS filesystem is not built for any Red Hat products except for Red Hat Enterprise Linux 5, which is no longer in development and is in Extended Life Phase (https://access.redhat.com/support/policy/updates/errata/#Extended_Life_Cycle_Phase).
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