CVE-2018-18386
N/A
Published: October 17, 2018 at 08:00 PM UTC
Updated: June 17, 2026 at 01:47 AM UTC
2 products affected across 2 vendorsLinux KernelUbuntu Linux
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Severity
N/A
Exploit prediction
EPSS 0.4%
Description
drivers/tty/n_tty.c in the Linux kernel before 4.14.11 allows local attackers (who are able to access pseudo terminals) to hang/block further usage of any pseudo terminal devices due to an EXTPROC versus ICANON confusion in TIOCINQ.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Ubuntu Linux· Canonicalrubygems
95%v < 4.14.11
Affected range stops below 4.14.11, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=966031f340185eddd05affcf72b740549f056348
- https://access.redhat.com/errata/RHSA-2019:0831
- https://bugzilla.suse.com/show_bug.cgi?id=1094825
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.11
- https://github.com/torvalds/linux/commit/966031f340185eddd05affcf72b740549f056348
References (7)
x_refsource_MISCPatchVendor Advisory
Source: [email protected]
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=966031f340185eddd05affcf72b740549f056348Vendor Advisoryx_refsource_REDHAT
Source: [email protected]
https://access.redhat.com/errata/RHSA-2019:0831x_refsource_MISCIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://bugzilla.suse.com/show_bug.cgi?id=1094825x_refsource_MISCPatchRelease NotesThird Party Advisory
Source: [email protected]
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.11x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/torvalds/linux/commit/966031f340185eddd05affcf72b740549f056348Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
https://usn.ubuntu.com/3849-1/Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
https://usn.ubuntu.com/3849-2/Quick Info
StatusMODIFIED
CWE
CWE-704
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