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Bug 1545053 - (CVE-2018-6952) CVE-2018-6952 patch: Double free of memory in pch.c:another_hunk() causes a crash
CVE-2018-6952 patch: Double free of memory in pch.c:another_hunk() causes a c...
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=20180203,reported=2...
: Security
Depends On: 1554752 1554758 1554759 1545054
Blocks: 1545055
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Reported: 2018-02-14 02:19 EST by Sam Fowler
Modified: 2018-03-15 14:03 EDT (History)
2 users (show)

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A double-free flaw was found in the way the patch utility processed patch files. An attacker could potentially use this flaw to crash the patch utility by tricking it into processing crafted patches.
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Description Sam Fowler 2018-02-14 02:19:30 EST 
GNU patch through version 2.7.6 is vulnerable to a double freeing of memory when supplied a crafted patch file leading to a crash.

Upstream Issue:

https://savannah.gnu.org/bugs/index.php?53133
Comment 1 Sam Fowler 2018-02-14 02:19:51 EST 
Created patch tracking bugs for this issue:

Affects: fedora-all [bug 1545054]
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