Candidate: CVE-2011-2521 PublicDate: 2012-05-24 23:55:00 UTC References: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2521 https://rhn.redhat.com/errata/RHSA-2011-1350.html Description: 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. Ubuntu-Description: Notes: Bugs: https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2521 Priority: medium Discovered-by: Li Yu Assigned-to: CVSS: Patches_linux: break-fix: 41bf498949a263fa0b2d32524b89d696ac330e94 fc66c5210ec2539e800e87d7b3a985323c7be96e upstream_linux: released (2.6.39~rc1) hardy_linux: not-affected lucid_linux: not-affected maverick_linux: not-affected natty_linux: not-affected devel_linux: not-affected (2.6.39-0.1) Patches_linux-ec2: upstream_linux-ec2: released (2.6.39~rc1) hardy_linux-ec2: DNE lucid_linux-ec2: not-affected maverick_linux-ec2: ignored (binary supplied by "linux" now) natty_linux-ec2: DNE devel_linux-ec2: DNE Patches_linux-mvl-dove: upstream_linux-mvl-dove: released (2.6.39~rc1) hardy_linux-mvl-dove: DNE lucid_linux-mvl-dove: not-affected maverick_linux-mvl-dove: not-affected natty_linux-mvl-dove: DNE devel_linux-mvl-dove: DNE Patches_linux-ti-omap4: upstream_linux-ti-omap4: released (2.6.39~rc1) hardy_linux-ti-omap4: DNE lucid_linux-ti-omap4: DNE maverick_linux-ti-omap4: not-affected natty_linux-ti-omap4: not-affected devel_linux-ti-omap4: not-affected (3.0.0-1200.1) Patches_linux-lts-backport-maverick: upstream_linux-lts-backport-maverick: released (2.6.39~rc1) hardy_linux-lts-backport-maverick: DNE lucid_linux-lts-backport-maverick: not-affected maverick_linux-lts-backport-maverick: DNE natty_linux-lts-backport-maverick: DNE devel_linux-lts-backport-maverick: DNE Patches_linux-fsl-imx51: upstream_linux-fsl-imx51: released (2.6.39~rc1) hardy_linux-fsl-imx51: DNE lucid_linux-fsl-imx51: not-affected maverick_linux-fsl-imx51: DNE natty_linux-fsl-imx51: DNE devel_linux-fsl-imx51: DNE Patches_linux-lts-backport-natty: upstream_linux-lts-backport-natty: released (2.6.39~rc1) hardy_linux-lts-backport-natty: DNE lucid_linux-lts-backport-natty: not-affected maverick_linux-lts-backport-natty: DNE natty_linux-lts-backport-natty: DNE devel_linux-lts-backport-natty: DNE