Vulnerability Description
An issue was discovered in the Linux kernel before 5.0.19. There is an out-of-bounds array access in __xfrm_policy_unlink, which will cause denial of service, because verify_newpolicy_info in net/xfrm/xfrm_user.c mishandles directory validation.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 5.0.19 |
| Debian | Debian Linux | 8.0 |
| Opensuse | Leap | 15.0 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.htmlThird Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.19Release Notes
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b8PatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2019/09/msg00014.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/09/msg00015.htmlThird Party Advisory
- https://security.netapp.com/advisory/ntap-20191004-0001/Third Party Advisory
- https://support.f5.com/csp/article/K53420251?utm_source=f5support&%3Butm_medi
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.htmlThird Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.19Release Notes
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b8PatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2019/09/msg00014.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/09/msg00015.htmlThird Party Advisory
- https://security.netapp.com/advisory/ntap-20191004-0001/Third Party Advisory
FAQ
What is CVE-2019-15666?
CVE-2019-15666 is a vulnerability with a CVSS score of 4.4 (MEDIUM). An issue was discovered in the Linux kernel before 5.0.19. There is an out-of-bounds array access in __xfrm_policy_unlink, which will cause denial of service, because verify_newpolicy_info in net/xfrm...
How severe is CVE-2019-15666?
CVE-2019-15666 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-15666?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux, Opensuse Leap.