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CVE-2011-1576

Publication date 31 August 2011

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

The Generic Receive Offload (GRO) implementation in the Linux kernel 2.6.18 on Red Hat Enterprise Linux 5 and 2.6.32 on Red Hat Enterprise Linux 6, as used in Red Hat Enterprise Virtualization (RHEV) Hypervisor and other products, allows remote attackers to cause a denial of service via crafted VLAN packets that are processed by the napi_reuse_skb function, leading to (1) a memory leak or (2) memory corruption, a different vulnerability than CVE-2011-1478.

From the Ubuntu Security Team

Ryan Sweat discovered that the kernel incorrectly handled certain VLAN packets. On some systems, a remote attacker could send specially crafted traffic to crash the system, leading to a denial of service.

Status

Package Ubuntu Release Status
linux 11.10 oneiric
Not affected
11.04 natty
Fixed 2.6.37-2.9
10.10 maverick
Fixed 2.6.35-30.60
10.04 LTS lucid
Fixed 2.6.32-35.78
8.04 LTS hardy
Not affected
linux-ec2 11.10 oneiric Not in release
11.04 natty Not in release
10.10 maverick Ignored end of life
10.04 LTS lucid
Fixed 2.6.32-319.39
8.04 LTS hardy Not in release
linux-fsl-imx51 11.10 oneiric Not in release
11.04 natty Not in release
10.10 maverick Not in release
10.04 LTS lucid
Fixed 2.6.31-611.29
8.04 LTS hardy Not in release
linux-lts-backport-maverick 11.10 oneiric Not in release
11.04 natty Not in release
10.10 maverick Not in release
10.04 LTS lucid
Fixed 2.6.35-30.60~lucid1
8.04 LTS hardy Not in release
linux-lts-backport-natty 11.10 oneiric Not in release
11.04 natty Not in release
10.10 maverick Not in release
10.04 LTS lucid
Fixed 2.6.38-1.27~lucid1
8.04 LTS hardy Not in release
linux-lts-backport-oneiric 11.10 oneiric Not in release
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 11.10 oneiric Not in release
11.04 natty Not in release
10.10 maverick
Fixed 2.6.32-419.37
10.04 LTS lucid
Fixed 2.6.32-219.37
8.04 LTS hardy Not in release
linux-ti-omap4 11.10 oneiric
Not affected
11.04 natty
Fixed 2.6.38-1201.2
10.10 maverick
Fixed 2.6.35-903.25
10.04 LTS lucid Not in release
8.04 LTS hardy 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-1219-1
    • Linux kernel (Maverick backport) vulnerabilities
    • 29 September 2011
    • USN-1241-1
    • Linux kernel (i.MX51) vulnerabilities
    • 25 October 2011
    • USN-1253-1
    • Linux kernel vulnerabilities
    • 8 November 2011
    • USN-1239-1
    • Linux kernel (EC2) vulnerabilities
    • 25 October 2011
    • USN-1220-1
    • Linux kernel (OMAP4) vulnerabilities
    • 29 September 2011
    • USN-1227-1
    • Linux kernel vulnerabilities
    • 11 October 2011
    • USN-1240-1
    • Linux kernel (Marvell DOVE) vulnerabilities
    • 25 October 2011
    • USN-1256-1
    • Linux kernel (Natty backport) vulnerabilities
    • 9 November 2011
    • USN-1245-1
    • Linux kernel (Marvell DOVE) vulnerabilities
    • 25 October 2011

Other references