CVE-2006-3634

Severity: medium (CVSS 4.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2006-08-04 · updated 2026-06-16

Description

The (1) __futex_atomic_op and (2) futex_atomic_cmpxchg_inatomic functions in Linux kernel 2.6.17-rc4 to 2.6.18-rc2 perform the atomic futex operation in the kernel address space instead of the user address space, which allows local users to cause a denial of service (crash).

Affected products

Linux kernel: 2.6.17-rc4, 2.6.17-rc5, 2.6.17-rc6, 2.6.18-rc1, 2.6.18-rc2

References

http://security-tracker.debian.org/tracker/CVE-2006-3634
http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=bafe00cc9297ca77b66e5c83e5e65e17c0c997c8
http://security-tracker.debian.org/tracker/CVE-2006-3634
http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=bafe00cc9297ca77b66e5c83e5e65e17c0c997c8

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