7.8
CWE
681 787 119
Advisory Published
Updated

CVE-2017-7308: Buffer Overflow

First published: Wed Mar 29 2017(Updated: )

It was found that the packet_set_ring() function of the Linux kernel's networking implementation did not properly validate certain block-size data. A local attacker with CAP_NET_RAW capability could use this flaw to trigger a buffer overflow resulting in a system crash or a privilege escalation. References: <a href="http://seclists.org/oss-sec/2017/q1/697">http://seclists.org/oss-sec/2017/q1/697</a> <a href="https://nvd.nist.gov/vuln/detail/CVE-2017-7308">https://nvd.nist.gov/vuln/detail/CVE-2017-7308</a> <a href="http://seclists.org/oss-sec/2017/q2/5">http://seclists.org/oss-sec/2017/q2/5</a> <a href="https://googleprojectzero.blogspot.com/2017/05/exploiting-linux-kernel-via-packet.html">https://googleprojectzero.blogspot.com/2017/05/exploiting-linux-kernel-via-packet.html</a> Upstream patches: <a href="https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2b6867c2ce76c596676bec7d2d525af525fdc6e2">https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2b6867c2ce76c596676bec7d2d525af525fdc6e2</a> <a href="https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8f8d28e4d6d815a391285e121c3a53a0b6cb9e7b">https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8f8d28e4d6d815a391285e121c3a53a0b6cb9e7b</a> <a href="https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=bcc5364bdcfe131e6379363f089e7b4108d35b70">https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=bcc5364bdcfe131e6379363f089e7b4108d35b70</a>

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Android
Linux kernel>=2.6.27<3.2.89
Linux kernel>=3.3<3.10.107
Linux kernel>=3.11<3.12.74
Linux kernel>=3.13<3.16.44
Linux kernel>=3.17<3.18.52
Linux kernel>=3.19<4.1.41
Linux kernel>=4.2<4.4.66
Linux kernel>=4.5<4.9.26
Linux kernel>=4.10<4.10.14

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Frequently Asked Questions

  • What is the severity of CVE-2017-7308?

    CVE-2017-7308 has been categorized as a high-severity vulnerability due to its potential for privilege escalation and system crashes.

  • How do I fix CVE-2017-7308?

    To mitigate CVE-2017-7308, it is recommended to update the Linux kernel to a version that addresses the vulnerability.

  • Who is affected by CVE-2017-7308?

    CVE-2017-7308 affects multiple Linux kernel versions and Android devices that utilize vulnerable kernel versions.

  • What type of attack leverages CVE-2017-7308?

    CVE-2017-7308 can be exploited by local attackers with CAP_NET_RAW capability to execute a buffer overflow attack.

  • What systems are vulnerable to CVE-2017-7308?

    Systems running Linux kernel versions between 2.6.27 and 4.10.14, as well as certain Android devices, are vulnerable to CVE-2017-7308.

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