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Bug 1597792 - (CVE-2018-13098) CVE-2018-13098 kernel: slab out-of-bounds read in fs/f2fs/inode.c
CVE-2018-13098 kernel: slab out-of-bounds read in fs/f2fs/inode.c
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=20180622,reported=2...
: Security
Depends On: 1597793 1597795
Blocks: 1597794
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Reported: 2018-07-03 11:39 EDT by Laura Pardo
Modified: 2018-07-16 15:07 EDT (History)
47 users (show)

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Doc Text:
An issue was discovered in the F2FS filesystem code in the Linux kernel in fs/f2fs/inode.c. A denial of service due to a slab out-of-bounds read can occur for a crafted f2fs filesystem image in which FI_EXTRA_ATTR is set in an inode.
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Environment:
Last Closed: 2018-07-11 04:01:41 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Laura Pardo 2018-07-03 11:39:02 EDT 
An issue was discovered in the F2FS filesystem code in the Linux kernel in fs/f2fs/inode.c. A denial of service due to a slab out-of-bounds read can occur for a crafted f2fs filesystem image in which FI_EXTRA_ATTR is set in an inode.

References:

https://bugzilla.kernel.org/show_bug.cgi?id=200173 	

A suggested upstream patch:

https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?h=f2fs-dev&id=346886775c5fa6a541c0148bbecc0554ab9d6dad
Comment 1 Laura Pardo 2018-07-03 11:40:36 EDT 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1597795]
Comment 6 Vladis Dronov 2018-07-11 04:01:41 EDT 
Note:

An F2FS filesystem is not shipped with any of the Red Hat products.
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