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CVE-2009-0834

LOW · CVSS 3.6EPSS 0.4%EU EUVD

The audit_syscall_entry function in the Linux kernel 2.6.28.7 and earlier on the x86_64 platform does not properly handle (1) a 32-bit process making a 64-bit syscall or (2) a 64-bit process making a 32-bit syscall, which allows local users to bypass certain syscall audit configurations via crafted syscalls, a related issue to CVE-2009-0342 and CVE-2009-0343.

Key facts

CVSS score
3.6 (v2.0)
Severity
LOW
CVSS vector
AV:L/AC:L/Au:N/C:P/I:P/A:N
EPSS score
0.4% (37th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2009-0831)
Published
March 6, 2009
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-0831 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • canonical / ubuntu linux
  • canonical / ubuntu linux
  • canonical / ubuntu linux
  • debian / debian linux
  • debian / debian linux
  • linux / linux kernel
  • opensuse / opensuse
  • opensuse / opensuse
  • redhat / enterprise linux desktop
  • redhat / enterprise linux desktop
  • redhat / enterprise linux eus
  • redhat / enterprise linux eus
  • redhat / enterprise linux server
  • redhat / enterprise linux server
  • redhat / enterprise linux server aus
  • redhat / enterprise linux workstation
  • redhat / enterprise linux workstation
  • suse / linux enterprise desktop
  • suse / linux enterprise server
  • suse / linux enterprise software development kit

Certified products that may be affected

2 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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CVE-2009-0834: LOW severity (CVSS 3.6)