CVE-2012-6689
HIGHCVSS 7.8/10EPSS 0.31%
Last modified
CVE-2012-6689 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. The netlink_sendmsg function in net/netlink/af_netlink.c in the Linux kernel before 3.5.5 does not validate the dst_pid field, which allows local users to have an unspecified impact by spoofing Netlink messages.. EPSS estimates a 0.31% chance of exploitation in the next 30 days.
Description
The netlink_sendmsg function in net/netlink/af_netlink.c in the Linux kernel before 3.5.5 does not validate the dst_pid field, which allows local users to have an unspecified impact by spoofing Netlink messages.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 3.0.44 |
| Linux | Linux Kernel | >= 3.1, < 3.2.30 |
| Linux | Linux Kernel | >= 3.3, < 3.4.12 |
| Linux | Linux Kernel | >= 3.5, < 3.5.5 |
References
- http://marc.info/?l=linux-netdev&m=134522422125983&w=2Mailing List, Third Party Advisory
- http://marc.info/?l=linux-netdev&m=134522422925986&w=2Mailing List, Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.5Release Notes, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2015/02/22/10Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/72739Broken Link, Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=848949Issue Tracking, Third Party Advisory
- http://marc.info/?l=linux-netdev&m=134522422125983&w=2Mailing List, Third Party Advisory
- http://marc.info/?l=linux-netdev&m=134522422925986&w=2Mailing List, Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.5Release Notes, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2015/02/22/10Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/72739Broken Link, Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=848949Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2012-6689?
The netlink_sendmsg function in net/netlink/af_netlink.c in the Linux kernel before 3.5.5 does not validate the dst_pid field, which allows local users to have an unspecified impact by spoofing Netlink messages.
How severe is CVE-2012-6689?
CVE-2012-6689 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.
How do I fix CVE-2012-6689?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2012-6689?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST