CVE-2015-4001

Severity: critical (CVSS 9.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 7.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-06-07 · updated 2026-06-17
Weakness: CWE-189

Description

Integer signedness error in the oz_hcd_get_desc_cnf function in drivers/staging/ozwpan/ozhcd.c in the OZWPAN driver in the Linux kernel through 4.0.5 allows remote attackers to cause a denial of service (system crash) or possibly execute arbitrary code via a crafted packet.

Affected products

Linux kernel: through 4.0.5

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b1bb5b49373b61bf9d2c73a4d30058ba6f069e4c
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html
http://openwall.com/lists/oss-security/2015/06/05/7
http://www.securityfocus.com/bid/74672
http://www.ubuntu.com/usn/USN-2665-1
http://www.ubuntu.com/usn/USN-2667-1
https://github.com/torvalds/linux/commit/b1bb5b49373b61bf9d2c73a4d30058ba6f069e4c
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b1bb5b49373b61bf9d2c73a4d30058ba6f069e4c
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html
http://openwall.com/lists/oss-security/2015/06/05/7
http://www.securityfocus.com/bid/74672
http://www.ubuntu.com/usn/USN-2665-1

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