VulnerabilityModified
CVE-2017-14340
The XFS_IS_REALTIME_INODE macro in fs/xfs/xfs_linux.h in the Linux kernel before 4.13.2 does not verify that a filesystem has a realtime device, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) via vectors…
MEDIUM 5.5EPSS 0.42%
Does this matter?
Lower severity and a low EPSS score (0.42%). Track it; it rarely justifies an emergency change on its own.
Description
The XFS_IS_REALTIME_INODE macro in fs/xfs/xfs_linux.h in the Linux kernel before 4.13.2 does not verify that a filesystem has a realtime device, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) via vectors related to setting an RHINHERIT flag on a directory.
- CVSS 3.0
- 5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.42% probability · 35th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- linux/linux kernel
- Source
- cve@mitre.org
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b31ff3cdf540110da4572e3e29bd172087af65ccIssue Tracking, Patch, Third Party Advisory
- http://seclists.org/oss-sec/2017/q3/436Mailing List, Mitigation, Patch, Third Party Advisory
- http://www.debian.org/security/2017/dsa-3981
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.2Release Notes, Vendor Advisory
- http://www.securityfocus.com/bid/100851Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:2918
- https://bugzilla.redhat.com/show_bug.cgi?id=1491344Issue Tracking, Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/b31ff3cdf540110da4572e3e29bd172087af65ccIssue Tracking, Patch, Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b31ff3cdf540110da4572e3e29bd172087af65ccIssue Tracking, Patch, Third Party Advisory
- http://seclists.org/oss-sec/2017/q3/436Mailing List, Mitigation, Patch, Third Party Advisory
- http://www.debian.org/security/2017/dsa-3981
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.2Release Notes, Vendor Advisory
- http://www.securityfocus.com/bid/100851Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:2918
- https://bugzilla.redhat.com/show_bug.cgi?id=1491344Issue Tracking, Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/b31ff3cdf540110da4572e3e29bd172087af65ccIssue Tracking, Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.