CVE-2009-1527

N/A Unknown
Published: May 05, 2009 Modified: April 23, 2026
View on NVD

Description

Race condition in the ptrace_attach function in kernel/ptrace.c in the Linux kernel before 2.6.30-rc4 allows local users to gain privileges via a PTRACE_ATTACH ptrace call during an exec system call that is launching a setuid application, related to locking an incorrect cred_exec_mutex object.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cad81bc2529ab8c62b6fdc83a1c0c7f4a87209eb
Source: cve@mitre.org
http://secunia.com/advisories/34977
Source: cve@mitre.org
Broken Link
http://secunia.com/advisories/35120
Source: cve@mitre.org
Broken Link
http://wiki.rpath.com/Advisories:rPSA-2009-0084
Source: cve@mitre.org
Broken Link
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.30-rc4
Source: cve@mitre.org
Broken Link
http://www.openwall.com/lists/oss-security/2009/05/04/2
Source: cve@mitre.org
Mailing List Third Party Advisory
http://www.osvdb.org/54188
Source: cve@mitre.org
Broken Link
http://www.securityfocus.com/archive/1/503610/100/0/threaded
Source: cve@mitre.org
Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/34799
Source: cve@mitre.org
Third Party Advisory VDB Entry
http://www.vupen.com/english/advisories/2009/1236
Source: cve@mitre.org
Not Applicable
https://exchange.xforce.ibmcloud.com/vulnerabilities/50293
Source: cve@mitre.org
Third Party Advisory VDB Entry
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cad81bc2529ab8c62b6fdc83a1c0c7f4a87209eb
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/34977
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://secunia.com/advisories/35120
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://wiki.rpath.com/Advisories:rPSA-2009-0084
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.30-rc4
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://www.openwall.com/lists/oss-security/2009/05/04/2
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.osvdb.org/54188
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://www.securityfocus.com/archive/1/503610/100/0/threaded
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/34799
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.vupen.com/english/advisories/2009/1236
Source: af854a3a-2127-422b-91ae-364da2661108
Not Applicable
https://exchange.xforce.ibmcloud.com/vulnerabilities/50293
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry

22 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
0.1%
19th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-362

Affected Vendors

linux

Related CVEs

CVE-2026-7024 5.4
CVE-2026-7023 6.3
CVE-2026-7022 7.3
CVE-2026-7021 3.5
CVE-2026-7020 5.6