Access Restriction Bypass Affecting kernel-headers package, versions <0:2.6.18-128.1.14.0.1.el5


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.06% (26th percentile)

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  • Snyk IDSNYK-ORACLE5-KERNELHEADERS-2451420
  • published10 Apr 2022
  • disclosed14 May 2009

Introduced: 14 May 2009

CVE-2009-1630  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade Oracle:5 kernel-headers to version 0:2.6.18-128.1.14.0.1.el5 or higher.
This issue was patched in ELSA-2009-1106.

NVD Description

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

The nfs_permission function in fs/nfs/dir.c in the NFS client implementation in the Linux kernel 2.6.29.3 and earlier, when atomic_open is available, does not check execute (aka EXEC or MAY_EXEC) permission bits, which allows local users to bypass permissions and execute files, as demonstrated by files on an NFSv4 fileserver.

References

CVSS Scores

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