01 Record
CVE-2009-1527
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
UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.49% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 41.9% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2009-05-05 20:00Z17 YR AGO
- Last updated
- 2024-08-07 05:13Z2 YR AGO
- Reserved
- 2009-05-05
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class
- Data version
- 5.1
- Document digest
- cd84a6bc0956649571ed53ac88c2ce8c2821ffafb95fca11be03806a916f5c7c
05 Affected products
VendorProductVersionsPlatforms
06 References
- exchange.xforce.ibmcloud.comlinux-kernel-ptraceattach-code-execution(50293)https://exchange.xforce.ibmcloud.com/vulnerabilities/50293
- www.securityfocus.com20090516 rPSA-2009-0084-1 kernelhttp://www.securityfocus.com/archive/1/503610/100/0/threaded
- www.osvdb.org54188http://www.osvdb.org/54188
- www.kernel.orghttp://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.30-rc4
- secunia.com35120http://secunia.com/advisories/35120
- www.openwall.com[oss-security] 20090504 CVE request: kernel: ptrace_attach: fix the usage of ->cred_exec_mutexhttp://www.openwall.com/lists/oss-security/2009/05/04/2
- git.kernel.orghttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cad81bc2529ab8c62b6fdc83a1c0c7f4a87209eb
- www.vupen.comADV-2009-1236http://www.vupen.com/english/advisories/2009/1236
- www.securityfocus.com34799http://www.securityfocus.com/bid/34799
- wiki.rpath.comhttp://wiki.rpath.com/Advisories:rPSA-2009-0084
- secunia.com34977http://secunia.com/advisories/34977