CVE-2007-0257

HIGH
7.8
CVSS Score
Published: January 16, 2007 at 11:00 PM UTC
Updated: June 16, 2026 at 10:35 PM UTC
1 product affected across 1 vendorGrsecurity Kernel Patch

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Severity
HIGH7.8
Exploit prediction
EPSS 1%
SSVC
No known exploit

Description

Unspecified vulnerability in the expand_stack function in grsecurity PaX allows local users to gain privileges via unspecified vectors. NOTE: the grsecurity developer has disputed this issue, stating that "the function they claim the vulnerability to be in is a trivial function, which can, and has been, easily checked for any supposed vulnerabilities." The developer also cites a past disclosure that was not proven. As of 20070120, the original researcher has released demonstration code

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (13)

VDB Entryx_refsource_OSVDB
http://osvdb.org/32727
Third Party Advisoryx_refsource_SECUNIA
http://secunia.com/advisories/23713
VDB Entryx_refsource_SECTRACK
http://securitytracker.com/id?1017509
x_refsource_MISCVendor AdvisoryURL Repurposed
http://www.digitalarmaments.com/news_news.shtml
x_refsource_MISCVendor AdvisoryURL Repurposed
http://www.digitalarmaments.com/pre2007-00018659.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-Other

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