CVE-2015-0275

Severity: medium (CVSS 4.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-10-19 · updated 2026-06-17
Weakness: CWE-17

Description

The ext4_zero_range function in fs/ext4/extents.c in the Linux kernel before 4.1 allows local users to cause a denial of service (BUG) via a crafted fallocate zero-range request.

Affected products

Linux kernel: through 4.0.5
Oracle Corporation Oracle Linux: 7

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0f2af21aae11972fa924374ddcf52e88347cf5a8
http://rhn.redhat.com/errata/RHSA-2015-1778.html
http://rhn.redhat.com/errata/RHSA-2015-1787.html
http://www.openwall.com/lists/oss-security/2015/02/23/14
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://www.securityfocus.com/bid/75139
http://www.securitytracker.com/id/1034454
http://www.spinics.net/lists/linux-ext4/msg47193.html
https://bugzilla.redhat.com/show_bug.cgi?id=1193907
https://github.com/torvalds/linux/commit/0f2af21aae11972fa924374ddcf52e88347cf5a8
https://support.f5.com/csp/article/K05211147
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0f2af21aae11972fa924374ddcf52e88347cf5a8

Get alerted when CVE-2015-0275 or the next vulnerability affects your stack