CVE-2009-1527
MEDIUM · CVSS 6.9EPSS 0.5%EU EUVD
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.
Key facts
- CVSS score
- 6.9 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:L/AC:M/Au:N/C:C/I:C/A:C- Weakness (CWE)
- CWE-362
- EPSS score
- 0.5% (42th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-1523)
- Published
- May 5, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-1523 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cad81bc2529ab8c62b6fdc83a1c0c7f4a87209eb
- http://secunia.com/advisories/34977(Broken Link)
- http://secunia.com/advisories/35120(Broken Link)
- http://wiki.rpath.com/Advisories:rPSA-2009-0084(Broken Link)
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.30-rc4(Broken Link)
- http://www.openwall.com/lists/oss-security/2009/05/04/2(Mailing List, Third Party Advisory)
- http://www.osvdb.org/54188(Broken Link)
- http://www.securityfocus.com/archive/1/503610/100/0/threaded(Third Party Advisory, VDB Entry)
- http://www.securityfocus.com/bid/34799(Third Party Advisory, VDB Entry)
- http://www.vupen.com/english/advisories/2009/1236(Not Applicable)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/50293(Third Party Advisory, VDB Entry)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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