Vulnerability Description
In the Linux kernel through 4.14.13, drivers/block/loop.c mishandles lo_release serialization, which allows attackers to cause a denial of service (__lock_acquire use-after-free) or possibly have unspecified other impact.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 4.14.13 |
| Canonical | Ubuntu Linux | 12.04 |
| Redhat | Virtualization | 4.0 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Workstation | 7.0 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ae6650PatchThird Party Advisory
- http://www.securityfocus.com/bid/102503Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:2948Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3083Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3096Third Party Advisory
- https://github.com/torvalds/linux/commit/ae6650163c66a7eff1acd6eb8b0f752dcfa8ebaPatchThird Party Advisory
- https://usn.ubuntu.com/3583-1/Third Party Advisory
- https://usn.ubuntu.com/3583-2/Third Party Advisory
- https://usn.ubuntu.com/3617-1/Third Party Advisory
- https://usn.ubuntu.com/3617-2/Third Party Advisory
- https://usn.ubuntu.com/3617-3/Third Party Advisory
- https://usn.ubuntu.com/3619-1/Third Party Advisory
- https://usn.ubuntu.com/3619-2/Third Party Advisory
- https://usn.ubuntu.com/3632-1/Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ae6650PatchThird Party Advisory
FAQ
What is CVE-2018-5344?
CVE-2018-5344 is a vulnerability with a CVSS score of 7.8 (HIGH). In the Linux kernel through 4.14.13, drivers/block/loop.c mishandles lo_release serialization, which allows attackers to cause a denial of service (__lock_acquire use-after-free) or possibly have unsp...
How severe is CVE-2018-5344?
CVE-2018-5344 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-5344?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Canonical Ubuntu Linux, Redhat Virtualization, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server.