Description

The ipv4_pktinfo_prepare function in net/ipv4/ip_sockglue.c in the Linux kernel through 4.9.9 allows attackers to cause a denial of service (system crash) via (1) an application that makes crafted system calls or possibly (2) IPv4 traffic with invalid IP options.

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=34b2cef20f19c87999fff3da4071e66937db9644

http://www.debian.org/security/2017/dsa-3791

http://www.openwall.com/lists/oss-security/2017/02/12/3

http://www.securityfocus.com/bid/96233

https://access.redhat.com/errata/RHSA-2017:1842

https://access.redhat.com/errata/RHSA-2017:2077

https://access.redhat.com/errata/RHSA-2017:2669

https://bugzilla.redhat.com/show_bug.cgi?id=1421638

https://github.com/torvalds/linux/commit/34b2cef20f19c87999fff3da4071e66937db9644

https://patchwork.ozlabs.org/patch/724136/

https://source.android.com/security/bulletin/2017-07-01

Details

Risk Information

CVSS v2

CVSS v3