CVE-2011-2521

The x86_assign_hw_event function in arch/x86/kernel/cpu/perf_event.c in the Performance Events subsystem in the Linux kernel before 2.6.39 does not properly calculate counter values, which allows local users to cause a denial of service (panic) via the perf program.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.9 UNKNOWN
LOCAL
LOW
AV:L/AC:L/Au:N/C:N/I:N/A:C
redhatCNA
---
---
CVEADP
---
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Base Score
CVSS 3.x
EPSS Score
Percentile: 19%
VendorProductVersion
linuxlinux_kernel
𝑥
< 2.6.39
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux
natty
not-affected
maverick
not-affected
lucid
not-affected
hardy
not-affected
linux-ec2
natty
dne
maverick
ignored
lucid
not-affected
hardy
dne
linux-fsl-imx51
natty
dne
maverick
dne
lucid
not-affected
hardy
dne
linux-lts-backport-maverick
natty
dne
maverick
dne
lucid
not-affected
hardy
dne
linux-lts-backport-natty
natty
dne
maverick
dne
lucid
not-affected
hardy
dne
linux-mvl-dove
natty
dne
maverick
not-affected
lucid
not-affected
hardy
dne
linux-ti-omap4
natty
not-affected
maverick
not-affected
lucid
dne
hardy
dne
Common Weakness Enumeration
References
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fc66c5210ec2539e800e87d7b3a985323c7be96e
http://www.openwall.com/lists/oss-security/2011/07/06/4
https://bugzilla.redhat.com/show_bug.cgi?id=719228
https://github.com/torvalds/linux/commit/fc66c5210ec2539e800e87d7b3a985323c7be96e
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fc66c5210ec2539e800e87d7b3a985323c7be96e
http://www.openwall.com/lists/oss-security/2011/07/06/4
https://bugzilla.redhat.com/show_bug.cgi?id=719228
https://github.com/torvalds/linux/commit/fc66c5210ec2539e800e87d7b3a985323c7be96e