Vulnerability Description
The __ip6_append_data function in net/ipv6/ip6_output.c in the Linux kernel through 4.11.3 is too late in checking whether an overwrite of an skb data structure may occur, which allows local users to cause a denial of service (system crash) via crafted system calls.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 4.11.3 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=232cd3Issue TrackingPatchThird Party Advisory
- http://www.debian.org/security/2017/dsa-3886
- http://www.securityfocus.com/bid/98731Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:1842
- https://access.redhat.com/errata/RHSA-2017:2077
- https://github.com/torvalds/linux/commit/232cd35d0804cc241eb887bb8d4d9b3b9881c64Issue TrackingPatchThird Party Advisory
- https://patchwork.ozlabs.org/patch/764880/Broken Link
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=232cd3Issue TrackingPatchThird Party Advisory
- http://www.debian.org/security/2017/dsa-3886
- http://www.securityfocus.com/bid/98731Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:1842
- https://access.redhat.com/errata/RHSA-2017:2077
- https://github.com/torvalds/linux/commit/232cd35d0804cc241eb887bb8d4d9b3b9881c64Issue TrackingPatchThird Party Advisory
- https://patchwork.ozlabs.org/patch/764880/Broken Link
FAQ
What is CVE-2017-9242?
CVE-2017-9242 is a vulnerability with a CVSS score of 5.5 (MEDIUM). The __ip6_append_data function in net/ipv6/ip6_output.c in the Linux kernel through 4.11.3 is too late in checking whether an overwrite of an skb data structure may occur, which allows local users to ...
How severe is CVE-2017-9242?
CVE-2017-9242 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-2017-9242?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.