Vulnerability in Linux Kernel
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 that is launching a setuid application, related to locking an incorrect cred_exec_mutex object.
Vulnerability class: Race Condition
Published · last modified .
CVSS v2 metric
CVSS v2 base score 6.9 (Medium). Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.005 (40.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 40.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Linux Kernel — versions 2.6.30
Weakness classification (CWE)
References
- exchange.xforce.ibmcloud.com/vulnerabilities/50293 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securityfocus.com/archive/1/503610/100/0/threaded (mailing-list, VDB Entry, Third Party Advisory)
- www.osvdb.org/54188 (vdb-entry, Broken Link)
- www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.30-rc4 (Broken Link)
- secunia.com/advisories/35120 (Broken Link, third-party-advisory)
- www.openwall.com/lists/oss-security/2009/05/04/2 (mailing-list, Mailing List, Third Party Advisory)
- git.kernel.org/
- www.vupen.com/english/advisories/2009/1236 (vdb-entry, Not Applicable)
- www.securityfocus.com/bid/34799 (VDB Entry, Third Party Advisory, vdb-entry)
- wiki.rpath.com/Advisories:rPSA-2009-0084 (Broken Link)