CVE-2018-6927
HIGH severity · CVSS 7.8 · Integer overflow
7.8CVSS HIGH
Summary
The futex_requeue function in kernel/futex.c in the Linux kernel before 4.14.15 might allow attackers to cause a denial of service (integer overflow) or possibly have unspecified other impact by triggering a negative wake or requeue value.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)1%
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fbe0e839d1e22d88810f3ee3e2f1479be4c0aa4a ↗
Additional information
- NVD record
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fbe0e839d1e22d88810f3ee3e2f1479be4c0aa4aPatch
- https://github.com/torvalds/linux/commit/fbe0e839d1e22d88810f3ee3e2f1479be4c0aa4aPatch
- http://www.securityfocus.com/bid/103023Advisory
- https://access.redhat.com/errata/RHSA-2018:0654Advisory
- https://access.redhat.com/errata/RHSA-2018:0676Advisory
- https://access.redhat.com/errata/RHSA-2018:1062Advisory
- https://lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlAdvisory
- https://usn.ubuntu.com/3619-1/Advisory