Bug 1466329 (CVE-2017-8797)
| Summary: | CVE-2017-8797 kernel: NFSv4 server does not properly validate layout type when processing NFSv4 pNFS LAYOUTGET operand | ||
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| Product: | [Other] Security Response | Reporter: | Adam Mariš <amaris> |
| Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
| Status: | CLOSED ERRATA | QA Contact: | |
| Severity: | high | Docs Contact: | |
| Priority: | high | ||
| Version: | unspecified | CC: | aquini, bhu, dhoward, dominik.mierzejewski, fhrbata, gansalmon, hannsj_uhl, hwkernel-mgr, iboverma, ichavero, itamar, jforbes, jkacur, jonathan, jross, jwboyer, kernel-maint, kernel-mgr, labbott, lgoncalv, madhu.chinakonda, matt, mchehab, mcressma, nmurray, pholasek, plougher, pmatouse, rt-maint, rvrbovsk, slawomir, vdronov, williams |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: |
It was found that the NFSv4 server in the Linux kernel did not properly validate layout type when processing NFSv4 pNFS LAYOUTGET and GETDEVICEINFO operands. A remote attacker could use this flaw to soft-lockup the system and thus cause denial of service.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2019-06-08 03:15:43 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | 1460365, 1464919, 1466330, 1466899, 1466901, 1466902, 1466903, 1466904, 1466905 | ||
| Bug Blocks: | 1466331 | ||
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Description
Adam Mariš
2017-06-29 12:48:58 UTC
Created kernel tracking bugs for this issue: Affects: fedora-all [bug 1466330] Statement: This issue does not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5, 6 as the code with the flaw is not present in the products listed. This issue affects the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 7 and Red Hat Enterprise MRG 2. Future kernel updates for these products may address this issue. This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2017:2077 https://access.redhat.com/errata/RHSA-2017:2077 This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2017:1842 https://access.redhat.com/errata/RHSA-2017:1842 This issue has been addressed in the following products: Red Hat Enterprise Linux 7.3 Extended Update Support Via RHSA-2017:2437 https://access.redhat.com/errata/RHSA-2017:2437 This issue has been addressed in the following products: Red Hat Enterprise MRG 2 Via RHSA-2017:2669 https://access.redhat.com/errata/RHSA-2017:2669 This issue was fixed for Fedora in the 4.11.3 stable updates |