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CVE-2010-4078

Publication date 29 November 2010

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

The sisfb_ioctl function in drivers/video/sis/sis_main.c in the Linux kernel before 2.6.36-rc6 does not properly initialize a certain structure member, which allows local users to obtain potentially sensitive information from kernel stack memory via an FBIOGET_VBLANK ioctl call.

From the Ubuntu Security Team

Dan Rosenberg discovered that the SiS video driver did not correctly clear kernel memory. A local attacker could exploit this to read kernel stack memory, leading to a loss of privacy.

Status

Package Ubuntu Release Status
linux 10.10 maverick
Not affected
10.04 LTS lucid
Not affected
9.10 karmic
Fixed 2.6.31-22.73
8.04 LTS hardy
Fixed 2.6.24-28.86
6.06 LTS dapper Not in release
linux-ec2 10.10 maverick Ignored
10.04 LTS lucid
Not affected
9.10 karmic
Fixed 2.6.31-307.27
8.04 LTS hardy Not in release
6.06 LTS dapper Not in release
linux-fsl-imx51 10.10 maverick Not in release
10.04 LTS lucid
Fixed 2.6.31-608.22
9.10 karmic
Fixed 2.6.31-112.30
8.04 LTS hardy Not in release
6.06 LTS dapper Not in release
linux-lts-backport-maverick 10.10 maverick Not in release
10.04 LTS lucid
Not affected
9.10 karmic Not in release
8.04 LTS hardy Not in release
6.06 LTS dapper Not in release
linux-mvl-dove 10.10 maverick
Not affected
10.04 LTS lucid
Not affected
9.10 karmic Ignored
8.04 LTS hardy Not in release
6.06 LTS dapper Not in release
linux-source-2.6.15 10.10 maverick Not in release
10.04 LTS lucid Not in release
9.10 karmic Not in release
8.04 LTS hardy Not in release
6.06 LTS dapper
Fixed 2.6.15-55.93
linux-ti-omap4 10.10 maverick
Not affected
10.04 LTS lucid Not in release
9.10 karmic Not in release
8.04 LTS hardy Not in release
6.06 LTS dapper Not in release

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
linux

References

Related Ubuntu Security Notices (USN)

    • USN-1073-1
    • Linux kernel vulnerabilities
    • 25 February 2011
    • USN-1072-1
    • Linux kernel vulnerabilities
    • 25 February 2011
    • USN-1074-1
    • Linux kernel vulnerabilities
    • 25 February 2011
    • USN-1071-1
    • Linux kernel vulnerabilities
    • 25 February 2011
    • USN-1074-2
    • Linux kernel vulnerabilities
    • 28 February 2011

Other references