Configuration Affecting kernel-xen-devel package, versions <0:2.6.18-128.4.1.0.1.el5


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.13% (49th percentile)

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  • Snyk IDSNYK-ORACLE5-KERNELXENDEVEL-2451016
  • published10 Apr 2022
  • disclosed16 Jul 2009

Introduced: 16 Jul 2009

CVE-2009-1895  (opens in a new tab)
CWE-16  (opens in a new tab)

How to fix?

Upgrade Oracle:5 kernel-xen-devel to version 0:2.6.18-128.4.1.0.1.el5 or higher.
This issue was patched in ELSA-2009-1193.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-xen-devel package and not the kernel-xen-devel package as distributed by Oracle. See How to fix? for Oracle:5 relevant fixed versions and status.

The personality subsystem in the Linux kernel before 2.6.31-rc3 has a PER_CLEAR_ON_SETID setting that does not clear the ADDR_COMPAT_LAYOUT and MMAP_PAGE_ZERO flags when executing a setuid or setgid program, which makes it easier for local users to leverage the details of memory usage to (1) conduct NULL pointer dereference attacks, (2) bypass the mmap_min_addr protection mechanism, or (3) defeat address space layout randomization (ASLR).

References

CVSS Scores

version 3.1