Race condition in Linux kernel - CVE-2009-1527
Published: May 5, 2009 / Updated: June 8, 2024
Vulnerability identifier: #VU91500
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2009-1527
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to a race condition within the ptrace_attach() and write_unlock_irqrestore() functions in kernel/ptrace.c. A local user can execute arbitrary code.
How to mitigate CVE-2009-1527
Install update from vendor's website.
Sources
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=cad81bc2529ab8c62b6fdc83a1c0c7f4a87209eb
- http://secunia.com/advisories/34977
- http://secunia.com/advisories/35120
- http://wiki.rpath.com/Advisories:rPSA-2009-0084
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.30-rc4
- http://www.openwall.com/lists/oss-security/2009/05/04/2
- http://www.osvdb.org/54188
- http://www.securityfocus.com/archive/1/503610/100/0/threaded
- http://www.securityfocus.com/bid/34799
- http://www.vupen.com/english/advisories/2009/1236
- https://exchange.xforce.ibmcloud.com/vulnerabilities/50293