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CVE-2010-4243

Publication date 22 January 2011

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

fs/exec.c in the Linux kernel before 2.6.37 does not enable the OOM Killer to assess use of stack memory by arrays representing the (1) arguments and (2) environment, which allows local users to cause a denial of service (memory consumption) via a crafted exec system call, aka an "OOM dodging issue," a related issue to CVE-2010-3858.

From the Ubuntu Security Team

Brad Spengler discovered that the kernel did not correctly account for userspace memory allocations during exec() calls. A local attacker could exploit this to consume all system memory, leading to a denial of service.

Status

Package Ubuntu Release Status
linux 11.04 natty
Fixed 2.6.37-9.22
10.10 maverick
Fixed 2.6.35-25.43
10.04 LTS lucid
Fixed 2.6.32-32.62
9.10 karmic Ignored
8.04 LTS hardy
Not affected
6.06 LTS dapper Not in release
linux-ec2 11.04 natty Not in release
10.10 maverick Ignored
10.04 LTS lucid
Fixed 2.6.32-316.30
9.10 karmic Ignored
8.04 LTS hardy Not in release
6.06 LTS dapper Not in release
linux-fsl-imx51 11.04 natty Not in release
10.10 maverick Not in release
10.04 LTS lucid
Fixed 2.6.31-610.27
9.10 karmic Ignored
8.04 LTS hardy Not in release
6.06 LTS dapper Not in release
linux-lts-backport-maverick 11.04 natty Not in release
10.10 maverick Not in release
10.04 LTS lucid
Fixed 2.6.35-25.44~lucid1
9.10 karmic Not in release
8.04 LTS hardy Not in release
6.06 LTS dapper Not in release
linux-lts-backport-natty 11.04 natty Not in release
10.10 maverick Not in release
10.04 LTS lucid
Not affected
8.04 LTS hardy Not in release
linux-mvl-dove 11.04 natty Not in release
10.10 maverick
Fixed 2.6.32-417.34
10.04 LTS lucid
Fixed 2.6.32-217.34
9.10 karmic Ignored
8.04 LTS hardy Not in release
6.06 LTS dapper Not in release
linux-source-2.6.15 11.04 natty Not in release
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
Not affected
linux-ti-omap4 11.04 natty
Not affected
10.10 maverick
Fixed 2.6.35-903.23
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-1202-1
    • Linux kernel (OMAP4) vulnerabilities
    • 13 September 2011
    • USN-1141-1
    • Linux kernel vulnerabilities
    • 1 June 2011
    • USN-1083-1
    • Linux kernel vulnerabilities
    • 3 March 2011
    • USN-1054-1
    • Linux kernel vulnerabilities
    • 1 February 2011
    • USN-1204-1
    • Linux kernel (i.MX51) vulnerabilities
    • 13 September 2011
    • USN-1162-1
    • Linux kernel vulnerabilities (Marvell Dove)
    • 29 June 2011
    • USN-1159-1
    • Linux kernel vulnerabilities (Marvell Dove)
    • 13 July 2011

Other references