CVE-2011-1593
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine without logging in. High risk of service disruption.
- Exploit odds
- 0.6% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.6% in the next 30 days (EPSS).
- Severity: 4.9 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.6% · EPSS, next 30 days
- Weakness
- CWE-190 · Integer overflow
- Record status
- Modified
Affected
- Linux Kernel < 2.6.38.4
- Redhat Enterprise Linux 5.0
- Redhat Enterprise Linux Aus 5.6
- Redhat Enterprise Linux Desktop 5.0
- Redhat Enterprise Linux Eus 5.6
- Redhat Enterprise Linux Server 5.0
- Redhat Enterprise Linux Workstation 5.0
- Canonical Ubuntu Linux 8.04
Attack profile CVSS 2.0 · 4.9
- Attack vector
- Local
- Complexity
- Low
- Authentication
- None
- Confidentiality
- None
- Integrity
- None
- Availability
- Complete
Raw vector
AV:L/AC:L/Au:N/C:N/I:N/A:C
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2011-1593.md and follow it. Check whether this project is affected by CVE-2011-1593. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://openwall.com/lists/oss-security/2011/04/19/1
- http://openwall.com/lists/oss-security/2011/04/20/1
- http://secunia.com/advisories/44164
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38.4
- https://bugzilla.redhat.com/show_bug.cgi?id=697822
- http://openwall.com/lists/oss-security/2011/04/19/1
- http://openwall.com/lists/oss-security/2011/04/20/1
- http://secunia.com/advisories/44164
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38.4
- https://bugzilla.redhat.com/show_bug.cgi?id=697822
References
- 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://groups.google.com/group/fa.linux.kernel/msg/4a28ecb7f755a88d?dmode=source
- http://openwall.com/lists/oss-security/2011/04/19/1
- http://openwall.com/lists/oss-security/2011/04/20/1
- http://rhn.redhat.com/errata/RHSA-2011-0927.html
- http://secunia.com/advisories/44164
- http://securitytracker.com/id?1025420
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38.4
- http://www.securityfocus.com/bid/47497
- http://www.ubuntu.com/usn/USN-1146-1
- https://bugzilla.redhat.com/show_bug.cgi?id=697822
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66876
- 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://groups.google.com/group/fa.linux.kernel/msg/4a28ecb7f755a88d?dmode=source
- http://openwall.com/lists/oss-security/2011/04/19/1
- http://openwall.com/lists/oss-security/2011/04/20/1
- http://rhn.redhat.com/errata/RHSA-2011-0927.html
- http://secunia.com/advisories/44164
- http://securitytracker.com/id?1025420
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38.4
- http://www.securityfocus.com/bid/47497
- http://www.ubuntu.com/usn/USN-1146-1
- https://bugzilla.redhat.com/show_bug.cgi?id=697822