CVE-2015-1593: n/a vulnerability

CVE-2015-1593: The stack randomization feature in the Linux kernel before 3.19.1 on 64-bit platforms uses incorrect data t...

The stack randomization feature in the Linux kernel before 3.19.1 on 64-bit platforms uses incorrect data types for the results of bitwise left-shift operations, which makes it easier for attackers to bypass the ASLR protection mechanism by predicting the address of the top of the stack, related to the randomize_stack_top function in fs/binfmt_elf.c and the stack_maxrandom_size function in arch/x86/mm/mmap.c.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 04:47 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2015-1593 weakens a key Linux memory-protection feature on 64-bit systems. A kernel bug made the top of the process stack more predictable, reducing ASLR effectiveness. This is not described as standalone compromise, but it can make other memory-corruption attacks easier. Exposure is most likely on older 64-bit Linux systems running kernels before 3.19.1 or vendor kernels lacking the backported fix. Distribution package versions need vendor-advisory confirmation because enterprise kernels often backport security fixes without changing upstream version numbers. Treat this as a legacy Linux hygiene issue with moderate urgency. Prioritize unsupported, internet-facing, multi-user, or high-value systems because ASLR weakness can increase the success of separate memory-safety exploits. Mitigation focus: Apply the relevant vendor kernel security update for each Linux distribution.; Upgrade upstream kernels to 3.19.1 or later where applicable.; Confirm vendor backport status before judging exposure by version string alone..

Prepared: Jun 14, 2026, 05:11 UTC (UTC+00:00)

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: Mar 16, 2015, 10:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

5Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://github.com/torvalds/linux/commit/4e7c22d447bb6d7e37bfe39ff658486ae78e8d77CVE reference · x_refsource_CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1192519CVE reference · x_refsource_CONFIRM
[linux-kernel] 20150107 Re: [PATH] Fix stack randomization on x86_64 bitCVE reference · mailing-list, x_refsource_MLIST
RHSA-2019:3517CVE reference · vendor-advisory, x_refsource_REDHAT

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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