VulnerabilityModified

CVE-2018-18386

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.

LOW 3.3EPSS 0.41%

Does this matter?

Lower severity and a low EPSS score (0.41%). Track it; it rarely justifies an emergency change on its own.

Description

CVSS 3.0: 3.3 LOWCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
EPSS: 0.41% probability · 35th percentile
CISA KEV: Not listed
Weakness: CWE-704
Affected: linux/linux kernel · canonical/ubuntu linux
Source: cve@mitre.org

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=966031f340185eddd05affcf72b740549f056348Patch, Vendor Advisory
https://access.redhat.com/errata/RHSA-2019:0831
https://bugzilla.suse.com/show_bug.cgi?id=1094825Issue Tracking, Patch, Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.11Patch, Release Notes, Third Party Advisory
https://github.com/torvalds/linux/commit/966031f340185eddd05affcf72b740549f056348Patch, Third Party Advisory
https://usn.ubuntu.com/3849-1/Third Party Advisory
https://usn.ubuntu.com/3849-2/Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=966031f340185eddd05affcf72b740549f056348Patch, Vendor Advisory
https://access.redhat.com/errata/RHSA-2019:0831
https://bugzilla.suse.com/show_bug.cgi?id=1094825Issue Tracking, Patch, Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.11Patch, Release Notes, Third Party Advisory
https://github.com/torvalds/linux/commit/966031f340185eddd05affcf72b740549f056348Patch, Third Party Advisory
https://usn.ubuntu.com/3849-1/Third Party Advisory
https://usn.ubuntu.com/3849-2/Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.