CVE-2015-8019
kernel: net: buffer overflow when copying data from skbuff to userspace
Severity
ModerateRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · October 27, 2015
Updated · November 21, 2025
Description
The skb_copy_and_csum_datagram_iovec function in net/core/datagram.c in the Linux kernel 3.14.54 and 3.18.22 does not accept a length argument, which allows local users to cause a denial of service (memory corruption) or possibly have unspecified other impact via a write system call followed by a recvmsg system call.
Statement
This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6, 7 and MRG-2, as the code introduced the flaw is not present in these products.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 7.8AV:N/AC:M/Au:N/C:N/I:P/A:C
CWE-121 · Stack-based Buffer Overflow