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CVE Record

CVE-2017-1000371: The offset2lib patch as used by the Linux Kernel contains a vulnerability, if RLIMIT_STACK is set to RLIM_I...

The offset2lib patch as used by the Linux Kernel contains a vulnerability, if RLIMIT_STACK is set to RLIM_INFINITY and 1 Gigabyte of memory is allocated (the maximum under the 1/4 restriction) then the stack will be grown down to 0x80000000, and as the PIE binary is mapped above 0x80000000 the minimum distance between the end of the PIE binary's read-write segment and the start of the stack becomes small enough that the stack guard page can be jumped over by an attacker. This affects Linux Kernel version 4.11.5. This is a different issue than CVE-2017-1000370 and CVE-2017-1000365. This issue appears to be limited to i386 based systems.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

This is a Linux kernel stack-guard weakness tied to the 2017 Stack Clash class. It appears limited to i386 systems and Linux kernel 4.11.5 according to the CVE text. The main business risk is legacy 32-bit Linux hosts where a local attacker could bypass memory safety protections. Exposure appears narrow: i386-based Linux systems, specifically kernel 4.11.5 per the CVE record. Modern 64-bit fleets are less likely affected, but legacy appliances, old VMs, and unsupported distributions should be checked. Prioritize targeted verification over broad emergency action. This is old and apparently architecture-limited, but public exploit references make unpatched legacy i386 systems worth finding and fixing quickly. Mitigation focus: Inventory i386 Linux systems and kernel versions.; Check Debian, Red Hat, and distribution advisories for fixed kernel packages.; Prioritize upgrades for Linux 4.11.5 or vendor-confirmed affected kernels..

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Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0ADP providers
5Source links

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Affected products

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