CVE-2006-3634
The (1) __futex_atomic_op and (2) futex_atomic_cmpxchg_inatomic functions in Linux kernel 2.6.17...
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).
Exploit likelihood
What each source reports
NVD Score used
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).
- Record
CVE-2006-3634- CVSS 2.0
- 4.9 Medium
AV:L/AC:L/Au:N/C:N/I:N/A:C - Updated
- 2026-11-02
CVE List No score
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).
- Record
CVE-2006-3634- Updated
- 2026-11-02
EUVDEUVD-2006-3629 No score
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).
- Record
EUVD-2006-3629- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hw4p-fj9f-2jmw No score
The (1) __futex_atomic_op and (2) futex_atomic_cmpxchg_inatomic functions in Linux kernel 2.6.17...
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).
- Record
GHSA-hw4p-fj9f-2jmw- Updated
- 2026-11-02
OSVBELL-CVE-2006-3634
CVE-2006-3634 does not affect BellSoft software
- Record
BELL-CVE-2006-3634- CVSS 2.0
- 4.9 Medium
AV:L/AC:L/Au:N/C:N/I:N/A:C - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2006-3634 is a medium vulnerability (CVSS 4.9) in Linux Kernel, published August 4, 2006. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.34%, the 27th percentile. No source names a fixed version.
References
kernel.org/git?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=bafe00cc9297ca77b66e5c83e5e65e17c0c997c8
security-tracker.debian.org/tracker/CVE-2006-3634
nvd.nist.gov/vuln/detail/CVE-2006-3634
github.com/advisories/GHSA-hw4p-fj9f-2jmw
docs.bell-sw.com/security/cves/CVE-2006-3634