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Bug 1530270 - (CVE-2017-17853) CVE-2017-17853 kernel: bpf/verifier.c allows local users to cause a denial of service by leveraging incorrect BPF_RSH signed bounds calculations
CVE-2017-17853 kernel: bpf/verifier.c allows local users to cause a denial of...
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20171219,repor...
: Security
Depends On: 1530308 1530279
Blocks: 1528364
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Reported: 2018-01-02 07:30 EST by Adam Mariš
Modified: 2018-08-28 18:30 EDT (History)
43 users (show)

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Fixed In Version: kernel 4.15
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Description Adam Mariš 2018-01-02 07:30:24 EST 
kernel/bpf/verifier.c in the Linux kernel through 4.14.8 allows local users to cause a denial of service (memory corruption) or possibly have unspecified other impact by leveraging incorrect BPF_RSH signed bounds calculations.

Upstream patch:

https://github.com/torvalds/linux/commit/4374f256ce8182019353c0c639bb8d0695b4c941

References:

http://www.openwall.com/lists/oss-security/2017/12/21/2
Comment 1 Adam Mariš 2018-01-02 07:40:43 EST 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1530279]
Comment 3 Prasad J Pandit 2018-01-18 00:30:30 EST 
Statement:

This issue does not affect the versions of the kernel package as shipped with Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2.
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