CVE-2010-1451: Buffer Overflow
First published: Fri May 07 2010(Updated: )
The TSB I-TLB load implementation in arch/sparc/kernel/tsb.S in the Linux kernel before 2.6.33 on the SPARC platform does not properly obtain the value of a certain _PAGE_EXEC_4U bit and consequently does not properly implement a non-executable stack, which makes it easier for context-dependent attackers to exploit stack-based buffer overflows via a crafted application.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <2.6.33 | |
| Debian Linux | =5.0 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2010/05/05/2
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.33
- http://marc.info/?l=linux-sparc&m=126662159602378&w=2
- http://marc.info/?l=linux-sparc&m=126662196902830&w=2
- http://www.openwall.com/lists/oss-security/2010/02/24/1
- http://www.debian.org/security/2010/dsa-2053
- http://secunia.com/advisories/39830
Frequently Asked Questions
What is the severity of CVE-2010-1451?
CVE-2010-1451 is considered a high severity vulnerability due to its impact on the non-executable stack implementation.
How do I fix CVE-2010-1451?
To fix CVE-2010-1451, upgrade to Linux kernel version 2.6.33 or later.
What are the potential consequences of CVE-2010-1451?
The potential consequences of CVE-2010-1451 include increased risk of execution of arbitrary code due to the improper implementation of non-executable stacks.
Which systems are affected by CVE-2010-1451?
CVE-2010-1451 affects the Linux kernel versions prior to 2.6.33, particularly on the SPARC platform.
Is CVE-2010-1451 still a risk for currently supported systems?
CVE-2010-1451 is not a risk for systems that are running supported versions of the Linux kernel that have been patched.
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