Vulnerability Description
The packet_set_ring function in net/packet/af_packet.c in the Linux kernel through 4.10.6 does not properly validate certain block-size data, which allows local users to cause a denial of service (integer signedness error and out-of-bounds write), or gain privileges (if the CAP_NET_RAW capability is held), via crafted system calls.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 2.6.27, < 3.2.89 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/97234Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:1297Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1298Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1308Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1854Third Party Advisory
- https://googleprojectzero.blogspot.com/2017/05/exploiting-linux-kernel-via-packeThird Party Advisory
- https://patchwork.ozlabs.org/patch/744811/Third Party Advisory
- https://patchwork.ozlabs.org/patch/744812/Third Party Advisory
- https://patchwork.ozlabs.org/patch/744813/Third Party Advisory
- https://source.android.com/security/bulletin/2017-07-01Third Party Advisory
- https://www.exploit-db.com/exploits/41994/Third Party AdvisoryVDB Entry
- https://www.exploit-db.com/exploits/44654/Third Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/97234Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:1297Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1298Third Party Advisory
FAQ
What is CVE-2017-7308?
CVE-2017-7308 is a vulnerability with a CVSS score of 7.8 (HIGH). The packet_set_ring function in net/packet/af_packet.c in the Linux kernel through 4.10.6 does not properly validate certain block-size data, which allows local users to cause a denial of service (int...
How severe is CVE-2017-7308?
CVE-2017-7308 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-2017-7308?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.