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CVE-2015-2672

Publication date 2 May 2016

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

The xsave/xrstor implementation in arch/x86/include/asm/xsave.h in the Linux kernel before 3.19.2 creates certain .altinstr_replacement pointers and consequently does not provide any protection against instruction faulting, which allows local users to cause a denial of service (panic) by triggering a fault, as demonstrated by an unaligned memory operand or a non-canonical address memory operand.

Read the notes from the security team

Status

Package Ubuntu Release Status
linux 15.10 wily
Not affected
15.04 vivid
Not affected
14.10 utopic
Not affected
14.04 LTS trusty
Not affected
12.04 LTS precise
Not affected
10.04 LTS lucid
Not affected
linux-armadaxp 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
10.04 LTS lucid Not in release
linux-ec2 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
10.04 LTS lucid
Not affected
linux-flo 15.10 wily
Not affected
15.04 vivid
Not affected
14.10 utopic
Not affected
14.04 LTS trusty Not in release
12.04 LTS precise Not in release
10.04 LTS lucid Not in release
linux-fsl-imx51 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
10.04 LTS lucid Ignored
linux-goldfish 15.10 wily
Not affected
15.04 vivid
Not affected
14.10 utopic
Not affected
14.04 LTS trusty Not in release
12.04 LTS precise Not in release
10.04 LTS lucid Not in release
linux-grouper 15.10 wily Not in release
15.04 vivid Not in release
14.10 utopic Ignored
14.04 LTS trusty Not in release
12.04 LTS precise Not in release
10.04 LTS lucid Not in release
linux-linaro-omap 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
10.04 LTS lucid Not in release
linux-linaro-shared 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
10.04 LTS lucid Not in release
linux-linaro-vexpress 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
10.04 LTS lucid Not in release
linux-lts-quantal 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
10.04 LTS lucid Not in release
linux-lts-raring 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
10.04 LTS lucid Not in release
linux-lts-saucy 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
10.04 LTS lucid Not in release
linux-lts-trusty 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
10.04 LTS lucid Not in release
linux-lts-utopic 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
10.04 LTS lucid Not in release
linux-lts-vivid 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
10.04 LTS lucid Not in release
linux-maguro 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
10.04 LTS lucid Not in release
linux-mako 15.10 wily
Not affected
15.04 vivid
Not affected
14.10 utopic
Not affected
14.04 LTS trusty Not in release
12.04 LTS precise Not in release
10.04 LTS lucid Not in release
linux-manta 15.10 wily
Not affected
15.04 vivid
Not affected
14.10 utopic
Not affected
14.04 LTS trusty Not in release
12.04 LTS precise Not in release
10.04 LTS lucid Not in release
linux-mvl-dove 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
10.04 LTS lucid Ignored
linux-qcm-msm 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
10.04 LTS lucid Ignored
linux-raspi2 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-ti-omap4 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
10.04 LTS lucid Not in release

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

sbeattie

introduced by https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f31a9f7c71691569359fa7fb8b0acaa44bce0324 (v3.17-rc1)

Patch details

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

Package Patch details
linux

Severity score breakdown

Parameter Value
Base score 5.5 · Medium
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H