CVE-2009-1527

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.

Category

6.9
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.06%
Third-Party Advisory secunia.com Third-Party Advisory secunia.com Third-Party Advisory openwall.com Third-Party Advisory securityfocus.com Third-Party Advisory securityfocus.com Third-Party Advisory ibmcloud.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://exchange.xforce.ibmcloud.com/vulnerabilities/50293 vdb entry third party advisory
http://www.securityfocus.com/archive/1/503610/100/0/threaded mailing list vdb entry third party advisory
http://www.osvdb.org/54188 vdb entry broken link
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.30-rc4 broken link
http://secunia.com/advisories/35120 third party advisory broken link
http://www.openwall.com/lists/oss-security/2009/05/04/2 third party advisory mailing list
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cad81bc2529ab8c62b6fdc83a1c0c7f4a87209eb
http://www.vupen.com/english/advisories/2009/1236 vdb entry not applicable
http://www.securityfocus.com/bid/34799 vdb entry third party advisory
http://wiki.rpath.com/Advisories:rPSA-2009-0084 broken link
http://secunia.com/advisories/34977 third party advisory broken link

Frequently Asked Questions

What is the severity of CVE-2009-1527?
CVE-2009-1527 has been scored as a medium severity vulnerability.
How to fix CVE-2009-1527?
To fix CVE-2009-1527, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-1527 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2009-1527 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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