CVE-2004-0177 Information disclosure in n/a

What is CVE-2004-0177?

CVE-2004-0177 is a medium-severity vulnerability in Linux kernel, published on 16 Apr 2004. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The ext3 code in Linux 2.4.x before 2.4.26 does not properly initialize journal descriptor blocks, which causes an information leak in which in-memory data is written to the device for the ext3 file system, which allows privileged users to obtain portions of kernel memory by reading the raw device.

Which versions are affected by CVE-2004-0177?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2004-0177?

Upgrade to a fixed version.

Is CVE-2004-0177 being exploited?

There is no known exploitation of CVE-2004-0177 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-qcgh-9mjq-vq4m.