CVE-2011-1593
MEDIUM severity · CVSS 4.9 · Integer overflow
4.9CVSS MEDIUM
Summary
Multiple integer overflows in the next_pidmap function in kernel/pid.c in the Linux kernel before 2.6.38.4 allow local users to cause a denial of service (system crash) via a crafted (1) getdents or (2) readdir system call.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)1%
AV:L/AC:L/Au:N/C:N/I:N/A:C
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: http://openwall.com/lists/oss-security/2011/04/19/1 ↗
Additional information
- NVD record
- http://openwall.com/lists/oss-security/2011/04/19/1Patch
- http://openwall.com/lists/oss-security/2011/04/20/1Patch
- http://secunia.com/advisories/44164Advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c78193e9c7bcbf25b8237ad0dec82f805c4ea69b
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d8bdc59f215e62098bc5b4256fd9928bf27053a1
- http://rhn.redhat.com/errata/RHSA-2011-0927.htmlAdvisory
- http://securitytracker.com/id?1025420Advisory
- http://groups.google.com/group/fa.linux.kernel/msg/4a28ecb7f755a88d?dmode=sourceAdvisory