What’s Vulnerable › Vulnerabilities

CVE-2015-8324

• Severity: medium (CVSS 4.6 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-05-02 · updated 2026-06-17

Description

The ext4 implementation in the Linux kernel before 2.6.34 does not properly track the initialization of certain data structures, which allows physically proximate attackers to cause a denial of service (NULL pointer dereference and panic) via a crafted USB device, related to the ext4_fill_super function.

Affected products

• Linux kernel: through 2.6.33.20

References

• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=744692dc059845b2a3022119871846e74d4f6e11
• http://mirror.linux.org.au/linux/kernel/v2.6/ChangeLog-2.6.34
• http://rhn.redhat.com/errata/RHSA-2016-0855.html
• http://www.openwall.com/lists/oss-security/2015/11/23/2
• http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
• https://bugzilla.redhat.com/show_bug.cgi?id=1267261
• https://github.com/torvalds/linux/commit/744692dc059845b2a3022119871846e74d4f6e11
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=744692dc059845b2a3022119871846e74d4f6e11
• http://mirror.linux.org.au/linux/kernel/v2.6/ChangeLog-2.6.34
• http://rhn.redhat.com/errata/RHSA-2016-0855.html
• http://www.openwall.com/lists/oss-security/2015/11/23/2
• http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html

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