CVE-2015-8787
kernel: Missing NULL pointer check in nf_nat_redirect_ipv4
Severity
ModerateRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · December 2, 2015
Updated · November 21, 2025
Description
A NULL-pointer dereference vulnerability was found in the Linux kernel's TCP stack, in net/netfilter/nf_nat_redirect.c in the nf_nat_redirect_ipv4() function. A remote, unauthenticated user could exploit this flaw to create a system crash (denial of service).
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 with the flaw is not present in the products listed.
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 · 5.4AV:N/AC:H/Au:N/C:N/I:N/A:C
CWE-476 · NULL Pointer Dereference