What’s Vulnerable › Vulnerabilities

CVE-2017-7542

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-07-21 · updated 2026-06-17
• Weakness: CWE-190

Description

The ip6_find_1stfragopt function in net/ipv6/output_core.c in the Linux kernel through 4.12.3 allows local users to cause a denial of service (integer overflow and infinite loop) by leveraging the ability to open a raw socket.

Affected products

• Linux kernel: through 4.12.3

References

• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6399f1fae4ec29fab5ec76070435555e256ca3a6
• http://www.debian.org/security/2017/dsa-3927
• http://www.debian.org/security/2017/dsa-3945
• http://www.securityfocus.com/bid/99953
• https://access.redhat.com/errata/RHSA-2017:2918
• https://access.redhat.com/errata/RHSA-2017:2930
• https://access.redhat.com/errata/RHSA-2017:2931
• https://access.redhat.com/errata/RHSA-2018:0169
• https://github.com/torvalds/linux/commit/6399f1fae4ec29fab5ec76070435555e256ca3a6
• https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0
• https://usn.ubuntu.com/3583-1/
• https://usn.ubuntu.com/3583-2/

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