CVE-2011-2496: Integer Overflow
First published: Fri Jun 24 2011(Updated: )
Integer overflow in the vma_to_resize function in mm/mremap.c in the L ...
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux kernel | =2.6.38-rc7 | |
| Linux kernel | =2.6.38-rc6 | |
| Linux kernel | =2.6.38-rc4 | |
| Linux kernel | =2.6.38.3 | |
| Linux kernel | <=2.6.38.8 | |
| Linux kernel | =2.6.38-rc3 | |
| Linux kernel | =2.6.38-rc5 | |
| Linux kernel | =2.6.38-rc2 | |
| Linux kernel | =2.6.38.6 | |
| Linux kernel | =2.6.38.1 | |
| Linux kernel | =2.6.38-rc1 | |
| Linux kernel | =2.6.38.5 | |
| Linux kernel | =2.6.38.2 | |
| Linux kernel | =2.6.38 | |
| Linux kernel | =2.6.38-rc8 | |
| Linux kernel | =2.6.38.4 | |
| Linux kernel | =2.6.38.7 | |
| debian/linux-2.6 | ||
| Linux Kernel | <=2.6.38.8 | |
| Linux Kernel | =2.6.38 | |
| Linux Kernel | =2.6.38-rc1 | |
| Linux Kernel | =2.6.38-rc2 | |
| Linux Kernel | =2.6.38-rc3 | |
| Linux Kernel | =2.6.38-rc4 | |
| Linux Kernel | =2.6.38-rc5 | |
| Linux Kernel | =2.6.38-rc6 | |
| Linux Kernel | =2.6.38-rc7 | |
| Linux Kernel | =2.6.38-rc8 | |
| Linux Kernel | =2.6.38.1 | |
| Linux Kernel | =2.6.38.2 | |
| Linux Kernel | =2.6.38.3 | |
| Linux Kernel | =2.6.38.4 | |
| Linux Kernel | =2.6.38.5 | |
| Linux Kernel | =2.6.38.6 | |
| Linux Kernel | =2.6.38.7 |
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Reference Links
- https://github.com/torvalds/linux/commit/982134ba62618c2d69fbbbd166d0a11ee3b7e3d8
- http://www.openwall.com/lists/oss-security/2011/06/27/2
- https://bugzilla.redhat.com/show_bug.cgi?id=716538
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=982134ba62618c2d69fbbbd166d0a11ee3b7e3d8
- http://www.spinics.net/lists/stable-commits/msg11385.html
- http://www.spinics.net/lists/linux-mm/msg17093.html
- http://groups.google.com/group/fa.linux.kernel/msg/9e43ab898c5e6d16
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=713614
- http://seclists.org/oss-sec/2011/q2/689
- https://rhn.redhat.com/errata/RHSA-2011-1253.html
- https://rhn.redhat.com/errata/RHSA-2011-1350.html
- https://rhn.redhat.com/errata/RHSA-2011-1386.html
- https://launchpad.net/bugs/cve/CVE-2011-2496
- https://security-tracker.debian.org/tracker/CVE-2011-2496
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2496
- https://nvd.nist.gov/vuln/detail/CVE-2011-2496
- https://ubuntu.com/security/CVE-2011-2496
Frequently Asked Questions
What is the severity of CVE-2011-2496?
CVE-2011-2496 has been classified as high severity due to the potential for denial of service and system crashes.
How can I fix CVE-2011-2496?
To fix CVE-2011-2496, you should upgrade to a patched version of the Linux kernel that is not vulnerable, specifically version 2.6.39 or later.
Who is affected by CVE-2011-2496?
CVE-2011-2496 affects local users of the Linux kernel versions before 2.6.39.
What type of attack does CVE-2011-2496 enable?
CVE-2011-2496 enables a denial of service attack that can lead to a system crash through a crafted mremap system call.
What versions of the Linux kernel are vulnerable to CVE-2011-2496?
Linux kernel versions before 2.6.39, including 2.6.38 and earlier release candidates, are vulnerable to CVE-2011-2496.
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- version/linux kernel/2.6.38-rc4
- version/linux kernel/2.6.38.3
- version/linux kernel/2.6.38.8
- version/linux kernel/2.6.38-rc3
- version/linux kernel/2.6.38-rc5
- version/linux kernel/2.6.38-rc2
- version/linux kernel/2.6.38.6
- version/linux kernel/2.6.38.1
- version/linux kernel/2.6.38-rc1
- version/linux kernel/2.6.38.5
- version/linux kernel/2.6.38.2
- version/linux kernel/2.6.38
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- version/linux kernel/2.6.38.4
- version/linux kernel/2.6.38.7
- package-manager/debian