CVE-2017-5970

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-02-14 · updated 2026-06-17
Weakness: CWE-476

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.

Affected products

Linux kernel: through 4.9.9

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

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