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CVE-2015-3291

Publication date 23 July 2015

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

arch/x86/entry/entry_64.S in the Linux kernel before 4.1.6 on the x86_64 platform does not properly determine when nested NMI processing is occurring, which allows local users to cause a denial of service (skipped NMI) by modifying the rsp register, issuing a syscall instruction, and triggering an NMI.

From the Ubuntu Security Team

Andy Lutomirski discovered a flaw that allows user to cause the Linux kernel to ignore some NMIs (non-maskable interrupts). A local unprivileged user could exploit this flaw to potentially cause the system to miss important NMIs resulting in unspecified effects.

Read the notes from the security team

Status

Package Ubuntu Release Status
linux 17.04 zesty
Not affected
16.10 yakkety
Not affected
16.04 LTS xenial
Not affected
15.10 wily
Not affected
15.04 vivid
Fixed 3.19.0-25.26
14.10 utopic Ignored end of life, was needed
14.04 LTS trusty
Fixed 3.13.0-59.98
12.04 LTS precise
Not affected
linux-armadaxp 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
15.10 wily Not in release
15.04 vivid Not in release
14.10 utopic Not in release
14.04 LTS trusty Not in release
12.04 LTS precise
Not affected
linux-aws 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected
12.04 LTS precise Not in release
linux-ec2 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
15.10 wily Not in release
15.04 vivid Not in release
14.10 utopic Not in release
14.04 LTS trusty Not in release
12.04 LTS precise Not in release
linux-flo 17.04 zesty Not in release
16.10 yakkety Ignored end of life
16.04 LTS xenial Ignored abandoned
15.10 wily Ignored end of life
15.04 vivid Ignored end of life
14.10 utopic Ignored end of life, was needed
14.04 LTS trusty Not in release
12.04 LTS precise Not in release
linux-fsl-imx51 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
15.10 wily Not in release
15.04 vivid Not in release
14.10 utopic Not in release
14.04 LTS trusty Not in release
12.04 LTS precise Not in release
linux-gke 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial
Not affected
14.04 LTS trusty Not in release
12.04 LTS precise Not in release
linux-goldfish 17.04 zesty Ignored end of life
16.10 yakkety Ignored end of life
16.04 LTS xenial Ignored abandoned
15.10 wily Ignored end of life
15.04 vivid Ignored end of life
14.10 utopic Ignored end of life
14.04 LTS trusty Not in release
12.04 LTS precise Not in release
linux-grouper 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
15.10 wily Not in release
15.04 vivid Not in release
14.10 utopic Ignored end of life
14.04 LTS trusty Not in release
12.04 LTS precise Not in release
linux-hwe 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial
Not affected
14.04 LTS trusty Not in release
12.04 LTS precise Not in release
linux-hwe-edge 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial
Not affected
14.04 LTS trusty Not in release
12.04 LTS precise Not in release
linux-linaro-omap 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
15.10 wily Not in release
15.04 vivid Not in release
14.10 utopic Not in release
14.04 LTS trusty Not in release
12.04 LTS precise Ignored end of life
linux-linaro-shared 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
15.10 wily Not in release
15.04 vivid Not in release
14.10 utopic Not in release
14.04 LTS trusty Not in release
12.04 LTS precise Ignored end of life
linux-linaro-vexpress 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
15.10 wily Not in release
15.04 vivid Not in release
14.10 utopic Not in release
14.04 LTS trusty Not in release
12.04 LTS precise Ignored end of life
linux-lts-quantal 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
15.10 wily Not in release
15.04 vivid Not in release
14.10 utopic Not in release
14.04 LTS trusty Not in release
12.04 LTS precise Ignored end of life, was needed
linux-lts-raring 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
15.10 wily Not in release
15.04 vivid Not in release
14.10 utopic Not in release
14.04 LTS trusty Not in release
12.04 LTS precise Ignored end of life, was needs-triage
linux-lts-saucy 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
15.10 wily Not in release
15.04 vivid Not in release
14.10 utopic Not in release
14.04 LTS trusty Not in release
12.04 LTS precise Ignored end of life, was needed
linux-lts-trusty 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
15.10 wily Not in release
15.04 vivid Not in release
14.10 utopic Not in release
14.04 LTS trusty Not in release
12.04 LTS precise
Fixed 3.13.0-59.98~precise1
linux-lts-utopic 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
15.10 wily Not in release
15.04 vivid Not in release
14.10 utopic Not in release
14.04 LTS trusty
Fixed 3.16.0-45.60~14.04.1
12.04 LTS precise Not in release
linux-lts-vivid 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
15.10 wily Not in release
15.04 vivid Not in release
14.10 utopic Not in release
14.04 LTS trusty
Fixed 3.19.0-25.26~14.04.1
12.04 LTS precise Not in release
linux-lts-wily 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
15.10 wily Not in release
15.04 vivid Not in release
14.04 LTS trusty Not in release
12.04 LTS precise Not in release
linux-lts-xenial 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
15.10 wily Not in release
15.04 vivid Not in release
14.04 LTS trusty
Not affected
12.04 LTS precise Not in release
linux-maguro 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
15.10 wily Not in release
15.04 vivid Not in release
14.10 utopic Not in release
14.04 LTS trusty Not in release
12.04 LTS precise Not in release
linux-mako 17.04 zesty Not in release
16.10 yakkety Ignored end of life
16.04 LTS xenial Ignored abandoned
15.10 wily Ignored end of life
15.04 vivid Ignored end of life
14.10 utopic Ignored end of life, was needed
14.04 LTS trusty Not in release
12.04 LTS precise Not in release
linux-manta 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
15.10 wily Ignored end of life
15.04 vivid Ignored end of life
14.10 utopic Ignored end of life, was needed
14.04 LTS trusty Not in release
12.04 LTS precise Not in release
linux-mvl-dove 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
15.10 wily Not in release
15.04 vivid Not in release
14.10 utopic Not in release
14.04 LTS trusty Not in release
12.04 LTS precise Not in release
linux-qcm-msm 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
15.10 wily Not in release
15.04 vivid Not in release
14.10 utopic Not in release
14.04 LTS trusty Not in release
12.04 LTS precise Ignored end of life
linux-raspi2 17.04 zesty
Not affected
16.10 yakkety
Not affected
16.04 LTS xenial
Not affected
15.10 wily
Not affected
15.04 vivid Not in release
14.04 LTS trusty Not in release
12.04 LTS precise Not in release
linux-snapdragon 17.04 zesty
Not affected
16.10 yakkety
Not affected
16.04 LTS xenial
Not affected
15.10 wily Not in release
14.04 LTS trusty Not in release
12.04 LTS precise Not in release
linux-ti-omap4 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
15.10 wily Not in release
15.04 vivid Not in release
14.10 utopic Not in release
14.04 LTS trusty Not in release
12.04 LTS precise
Not affected

Notes

jdstrand

android kernels (flo, goldfish, grouper, maguro, mako and manta) are not supported on the Ubuntu Touch 14.10 and earlier preview kernels linux-lts-saucy no longer receives official support linux-lts-quantal no longer receives official support

tyhicks

Per oss-security, likely affects 3.3 and newer

kamal

Per Debian, likely introduced by 3f3c8b8c4b2a34776c3470142a7c8baafcda6eb0 (v3.3-rc1)

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-2688-1
    • Linux kernel vulnerabilities
    • 28 July 2015
    • USN-2691-1
    • Linux kernel vulnerabilities
    • 28 July 2015
    • USN-2690-1
    • Linux kernel (Vivid HWE) vulnerabilities
    • 28 July 2015
    • USN-2687-1
    • Linux kernel (Trusty HWE) vulnerabilities
    • 28 July 2015
    • USN-2689-1
    • Linux kernel (Utopic HWE) vulnerabilities
    • 28 July 2015
    • USN-2700-1
    • Linux kernel vulnerabilities
    • 31 July 2015

Other references