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CVE-2014-0038

Publication date 30 January 2014

Last updated 24 July 2024

Ubuntu priority

Critical

Why this priority?

The compat_sys_recvmmsg function in net/compat.c in the Linux kernel before 3.13.2, when CONFIG_X86_X32 is enabled, allows local users to gain privileges via a recvmmsg system call with a crafted timeout pointer parameter.

From the Ubuntu Security Team

Pageexec reported a bug in the Linux kernel's recvmmsg syscall when called from code using the x32 ABI. An unprivileged local user could exploit this flaw to cause a denial of service (system crash) or gain administrator privileges.

Read the notes from the security team

Status

Package Ubuntu Release Status
linux 13.10 saucy
Fixed 3.11.0-15.25
12.10 quantal
Not affected
12.04 LTS precise
Not affected
10.04 LTS lucid
Not affected
linux-armadaxp 13.10 saucy Not in release
12.10 quantal
Not affected
12.04 LTS precise
Not affected
10.04 LTS lucid Not in release
linux-ec2 13.10 saucy Not in release
12.10 quantal Not in release
12.04 LTS precise Not in release
10.04 LTS lucid
Not affected
linux-fsl-imx51 13.10 saucy Not in release
12.10 quantal Not in release
12.04 LTS precise Not in release
10.04 LTS lucid Ignored
linux-goldfish 13.10 saucy
Not affected
12.10 quantal Not in release
12.04 LTS precise Not in release
10.04 LTS lucid Not in release
linux-grouper 13.10 saucy
Not affected
12.10 quantal Not in release
12.04 LTS precise Not in release
10.04 LTS lucid Not in release
linux-linaro-omap 13.10 saucy Not in release
12.10 quantal Ignored
12.04 LTS precise Ignored
10.04 LTS lucid Not in release
linux-linaro-shared 13.10 saucy Not in release
12.10 quantal Ignored
12.04 LTS precise Ignored
10.04 LTS lucid Not in release
linux-linaro-vexpress 13.10 saucy Not in release
12.10 quantal Ignored
12.04 LTS precise Ignored
10.04 LTS lucid Not in release
linux-lts-quantal 13.10 saucy Not in release
12.10 quantal Not in release
12.04 LTS precise
Not affected
10.04 LTS lucid Not in release
linux-lts-raring 13.10 saucy Not in release
12.10 quantal Not in release
12.04 LTS precise
Fixed 3.8.0-35.52~precise1
10.04 LTS lucid Not in release
linux-lts-saucy 13.10 saucy Not in release
12.10 quantal Not in release
12.04 LTS precise
Fixed 3.11.0-15.25~precise1
10.04 LTS lucid Not in release
linux-maguro 13.10 saucy
Not affected
12.10 quantal Not in release
12.04 LTS precise Not in release
10.04 LTS lucid Not in release
linux-mako 13.10 saucy
Not affected
12.10 quantal Not in release
12.04 LTS precise Not in release
10.04 LTS lucid Not in release
linux-manta 13.10 saucy
Not affected
12.10 quantal Not in release
12.04 LTS precise Not in release
10.04 LTS lucid Not in release
linux-mvl-dove 13.10 saucy Not in release
12.10 quantal Not in release
12.04 LTS precise Not in release
10.04 LTS lucid Ignored
linux-qcm-msm 13.10 saucy Not in release
12.10 quantal Ignored
12.04 LTS precise Ignored
10.04 LTS lucid Ignored
linux-ti-omap4 13.10 saucy
Not affected
12.10 quantal
Not affected
12.04 LTS precise
Not affected
10.04 LTS lucid Not in release

Notes

jj

x32 abi enabled kernels only: CONFIG_X86_X32 && ld can build x32

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-2095-1
    • Linux kernel (Saucy HWE) vulnerability
    • 31 January 2014
    • USN-2096-1
    • Linux kernel vulnerability
    • 31 January 2014
    • USN-2094-1
    • Linux kernel (Raring HWE) vulnerability
    • 31 January 2014

Other references