high
7.2
CWE
190
Advisory Published
CVE Published
Updated

CVE-2010-2959: Integer Overflow

First published: Fri Aug 20 2010(Updated: )

Description of problem: Discovered by Ben Hawkes, this patch adds a limit for nframes as the number of frames in TX_SETUP and RX_SETUP are derived from a single byte multiplex value by default. Use-cases that would require to send/filter more than 256 CAN frames should be implemented in userspace for complexity reasons anyway. Additionally the assignments of unsigned values from userspace to signed values in kernelspace and vice versa are fixed by using unsigned values in kernelspace consistently. Upstream commit: <a href="http://git.kernel.org/linus/5b75c4973ce779520b9d1e392483207d6f842cde">http://git.kernel.org/linus/5b75c4973ce779520b9d1e392483207d6f842cde</a>

Credit: security@ubuntu.com security@ubuntu.com security@ubuntu.com

Affected SoftwareAffected VersionHow to fix
debian/linux-2.6
Linux Kernel<2.6.27.53
Linux Kernel>=2.6.32<2.6.32.21
Linux Kernel>=2.6.34<2.6.34.6
Linux Kernel>=2.6.35<2.6.35.4
Fedora=12
Debian=5.0
openSUSE=11.3
SUSE Linux Enterprise Desktop with Beagle=11-sp1
SUSE Linux Enterprise High Availability=11-sp1
SUSE Linux Enterprise Real Time Extension=11-sp1
SUSE Linux Enterprise Server=11-sp1

Remedy

https://bugzilla.redhat.com/show_bug.cgi?id=625699

Remedy

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5b75c4973ce779520b9d1e392483207d6f842cde

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2010-2959?

    CVE-2010-2959 has a severity rating that indicates a potential risk to systems that use affected versions of the Linux kernel.

  • How do I fix CVE-2010-2959?

    To fix CVE-2010-2959, users should upgrade to a version of the Linux kernel that is not vulnerable, specifically versions greater than 2.6.35.4.

  • What systems are affected by CVE-2010-2959?

    CVE-2010-2959 affects various versions of the Linux kernel, particularly those below 2.6.35.4, as well as specific distributions like Debian, Fedora, and openSUSE.

  • What is the nature of the vulnerability in CVE-2010-2959?

    The vulnerability in CVE-2010-2959 relates to an integer overflow in the handling of CAN frames, which could potentially allow for the denial of service.

  • Is there a workaround for CVE-2010-2959?

    A temporary workaround for CVE-2010-2959 would involve implementing use-cases requiring more than 256 CAN frames within userspace.

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