Buffer Overflow Affecting kernel-bootwrapper package, versions <0:3.10.0-514.21.1.el7
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Test your applications- Snyk ID SNYK-CENTOS7-KERNELBOOTWRAPPER-2082244
- published 26 Jul 2021
- disclosed 29 Mar 2017
Introduced: 29 Mar 2017
CVE-2017-7308 Open this link in a new tabHow to fix?
Upgrade Centos:7 kernel-bootwrapper to version 0:3.10.0-514.21.1.el7 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-bootwrapper package and not the kernel-bootwrapper package as distributed by Centos.
See How to fix? for Centos:7 relevant fixed versions and status.
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.
References
- http://www.securityfocus.com/bid/97234
- https://patchwork.ozlabs.org/patch/744811/
- https://patchwork.ozlabs.org/patch/744812/
- https://patchwork.ozlabs.org/patch/744813/
- https://source.android.com/security/bulletin/2017-07-01
- https://access.redhat.com/security/cve/CVE-2017-7308
- https://www.exploit-db.com/exploits/41994/
- https://www.exploit-db.com/exploits/44654/
- https://googleprojectzero.blogspot.com/2017/05/exploiting-linux-kernel-via-packet.html
- https://access.redhat.com/errata/RHSA-2017:1308
- https://www.exploit-db.com/exploits/47168