Vulnerability Description
The nft_flush_table function in net/netfilter/nf_tables_api.c in the Linux kernel before 3.18.5 mishandles the interaction between cross-chain jumps and ruleset flushes, which allows local users to cause a denial of service (panic) by leveraging the CAP_NET_ADMIN capability.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 3.18.4 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a2f18dVendor Advisory
- http://rhn.redhat.com/errata/RHSA-2015-1137.html
- http://rhn.redhat.com/errata/RHSA-2015-1138.html
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.5
- http://www.openwall.com/lists/oss-security/2015/02/10/13
- http://www.securityfocus.com/bid/72552
- https://bugzilla.redhat.com/show_bug.cgi?id=1190966
- https://github.com/torvalds/linux/commit/a2f18db0c68fec96631c10cad9384c196e9008aVendor Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a2f18dVendor Advisory
- http://rhn.redhat.com/errata/RHSA-2015-1137.html
- http://rhn.redhat.com/errata/RHSA-2015-1138.html
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.5
- http://www.openwall.com/lists/oss-security/2015/02/10/13
- http://www.securityfocus.com/bid/72552
- https://bugzilla.redhat.com/show_bug.cgi?id=1190966
FAQ
What is CVE-2015-1573?
CVE-2015-1573 is a vulnerability with a CVSS score of 5.5 (MEDIUM). The nft_flush_table function in net/netfilter/nf_tables_api.c in the Linux kernel before 3.18.5 mishandles the interaction between cross-chain jumps and ruleset flushes, which allows local users to ca...
How severe is CVE-2015-1573?
CVE-2015-1573 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-1573?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.