CVE-2007-0771

Severity: medium (CVSS 4.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-05-02 · updated 2026-06-16

Description

The utrace support in Linux kernel 2.6.18, and other versions, allows local users to cause a denial of service (system hang) related to "MT exec + utrace_attach spin failure mode," as demonstrated by ptrace-thrash.c.

Affected products

Linux kernel: 2.6.18, 2.6.18-rc1, 2.6.18-rc2, 2.6.18-rc3, 2.6.18-rc4, 2.6.18-rc5 (+6)
Red Hat Enterprise Linux: 5.0

References

http://osvdb.org/35927
http://secunia.com/advisories/25080
http://securitytracker.com/id?1017979
http://www.redhat.com/support/errata/RHSA-2007-0169.html
http://www.securityfocus.com/bid/23720
https://bugzilla.redhat.com/show_bug.cgi?id=227952
https://bugzilla.redhat.com/show_bug.cgi?id=228816
https://exchange.xforce.ibmcloud.com/vulnerabilities/34128
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9447
http://osvdb.org/35927
http://secunia.com/advisories/25080
http://securitytracker.com/id?1017979

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