Vulnerability Description
An issue was discovered in the Linux kernel through 4.18.8. The vmacache_flush_all function in mm/vmacache.c mishandles sequence number overflows. An attacker can trigger a use-after-free (and possibly gain privileges) via certain thread creation, map, unmap, invalidation, and dereference operations.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 3.16, < 3.16.58 |
| Canonical | Ubuntu Linux | 14.04 |
| Debian | Debian Linux | 8.0 |
| Netapp | Active Iq Performance Analytics Services | - |
| Netapp | Element Software | - |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7a9cdePatchThird Party Advisory
- http://www.securityfocus.com/bid/105417Third Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/106503Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041748PatchThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:3656Third Party Advisory
- https://github.com/torvalds/linux/commit/7a9cdebdcc17e426fb5287e4a82db1dfe86339bPatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/10/msg00003.htmlThird Party Advisory
- https://security.netapp.com/advisory/ntap-20190204-0001/PatchThird Party Advisory
- https://usn.ubuntu.com/3776-1/Third Party Advisory
- https://usn.ubuntu.com/3776-2/Third Party Advisory
- https://usn.ubuntu.com/3777-1/Third Party Advisory
- https://usn.ubuntu.com/3777-2/Third Party Advisory
- https://usn.ubuntu.com/3777-3/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4308Third Party Advisory
- https://www.exploit-db.com/exploits/45497/ExploitThird Party AdvisoryVDB Entry
FAQ
What is CVE-2018-17182?
CVE-2018-17182 is a vulnerability with a CVSS score of 7.8 (HIGH). An issue was discovered in the Linux kernel through 4.18.8. The vmacache_flush_all function in mm/vmacache.c mishandles sequence number overflows. An attacker can trigger a use-after-free (and possibl...
How severe is CVE-2018-17182?
CVE-2018-17182 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-2018-17182?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Canonical Ubuntu Linux, Debian Debian Linux, Netapp Active Iq Performance Analytics Services, Netapp Element Software.