Bug 1530274 (CVE-2017-17857) - CVE-2017-17857 kernel: bpf/verifier.c allows local users to cause a denial of service by leveraging mishandling of invalid variable stack read operations
Summary: CVE-2017-17857 kernel: bpf/verifier.c allows local users to cause a denial of...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2017-17857
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1530279 Engineering1530317
Blocks: Embargoed1528364
TreeView+ depends on / blocked
 
Reported: 2018-01-02 12:32 UTC by Adam Mariš
Modified: 2021-02-17 01:02 UTC (History)
42 users (show)

Fixed In Version: kernel 4.15
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Last Closed: 2019-07-12 13:04:54 UTC

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Description Adam Mariš 2018-01-02 12:32:50 UTC 
The check_stack_boundary function in 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 mishandling of invalid variable stack read operations. 

Upstream patch:

https://github.com/torvalds/linux/commit/ea25f914dc164c8d56b36147ecc86bc65f83c469

References:

http://www.openwall.com/lists/oss-security/2017/12/21/2
Comment 1 Adam Mariš 2018-01-02 12:40:10 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1530279]
Comment 3 Prasad Pandit 2018-01-18 05:35:19 UTC 
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.
Comment 5 Product Security DevOps Team 2019-07-12 13:04:54 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2017-17857
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