CVE-2004-0177

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2004-06-01 · updated 2026-06-16

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.

Affected products

Linux kernel: 2.4.0

References

http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000846
http://linux.bkbits.net:8080/linux-2.4/cset%404056b368s6vpJbGWxDD_LhQNYQrdzQ
http://marc.info/?l=bugtraq&m=108213675028441&w=2
http://rhn.redhat.com/errata/RHSA-2004-166.html
http://security.gentoo.org/glsa/glsa-200407-02.xml
http://www.ciac.org/ciac/bulletins/o-121.shtml
http://www.ciac.org/ciac/bulletins/o-126.shtml
http://www.ciac.org/ciac/bulletins/o-127.shtml
http://www.debian.org/security/2004/dsa-479
http://www.debian.org/security/2004/dsa-480
http://www.debian.org/security/2004/dsa-481
http://www.debian.org/security/2004/dsa-482

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