kernel: Deadlock caused in fs/ocfs2/file.c:ocfs2_setattr() can allow local users to cause a denial of service
Published Feb 27, 2018
5.5
MEDIUMCVSS 3.0
EPSS 0.45%
Description
The ocfs2_setattr function in fs/ocfs2/file.c in the Linux kernel before 4.14.2 allows local users to cause a denial of service (deadlock) via DIO requests.
Affected products
No data.
- < 4.14.2
No data.
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-alt
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Not affected
Red Hat Enterprise Linux 8
kernel
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-alt | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue does not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5, 6, 7, its real-time kernel, Red Hat Enterprise MRG 2, Red Hat Enterprise Linux 7 for ARM 64 and Red Hat Enterprise Linux 7 for Power 9 LE, as the code with the flaw is not built and shipped in the products listed.
References (16)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=28f5a8a7c033cbf3e32277f4cc9c6afd74f05300 x_refsource_MISCPatchVendor Advisory
- http://www.securityfocus.com/bid/103183 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2017-18204 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1550818 Issue Tracking
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2017-9337 Advisory
- https://github.com/torvalds/linux/commit/28f5a8a7c033cbf3e32277f4cc9c6afd74f05300 x_refsource_MISCPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-18204
- https://usn.ubuntu.com/3617-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3617-2/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3617-3/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3619-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3619-2/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3655-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3655-2/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2017-18204
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.2 x_refsource_MISCRelease NotesVendor Advisory
Change history (0)
No recorded changes yet.