CVE-2008-2148 Missing authorization in n/a

What is CVE-2008-2148?

CVE-2008-2148 is a low-severity missing authorization vulnerability in Linux kernel, published on 12 May 2008. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The utimensat system call (sys_utimensat) in Linux kernel 2.6.22 and other versions before 2.6.25.3 does not check file permissions when certain UTIME_NOW and UTIME_OMIT combinations are used, which allows local users to modify file times of arbitrary files, possibly leading to a denial of service.

Weakness: CWE-264

Which versions are affected by CVE-2008-2148?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2008-2148?

Upgrade to a fixed version.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2008-2148 being exploited?

There is no known exploitation of CVE-2008-2148 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-2wcr-p544-pv94.