kernel: netfilter: size overflow in x_tables
Published Apr 27, 2016
7.8
HIGHCVSS 3.1
EPSS 1.00%
Description
Integer overflow in the xt_alloc_table_info function in net/netfilter/x_tables.c in the Linux kernel through 4.5.2 on 32-bit platforms allows local users to gain privileges or cause a denial of service (heap memory corruption) via an IPT_SO_SET_REPLACE setsockopt call.
Affected products
No data.
Configuration 1
- ≥ 4.2 · < 4.4.21
- ≥ 4.5 · < 4.6
Configuration 2
- 14.04
- 15.10
- 16.04
No data.
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6, as the code with the flaw is not present in the products listed. This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 7 and MRG-2, as 32-bit versions of the products listed are not shipped by the Red Hat.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.00% (0.01001) | 61.49th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.01% (0.01009) | 58.42th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.19% (0.00190) | 38.61th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.28% (0.01282) | 68.34th | v2 (v2022.01.01) |
| Feb 22, 2023 | 1.28% (0.01282) | 68.05th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.28% (0.01282) | 65.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.28% (0.01282) | 41.72th | v2 (v2022.01.01) |
References (15)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d157bd761585605b7882935ffb86286919f62ea1 x_refsource_CONFIRM
- http://www.securityfocus.com/bid/84305 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/USN-2930-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2930-2 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2930-3 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-3054-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-3055-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-3056-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-3057-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2016-3135 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1317386 x_refsource_CONFIRMIssue Tracking
- https://code.google.com/p/google-security-research/issues/detail?id=758 x_refsource_MISC
- https://github.com/torvalds/linux/commit/d157bd761585605b7882935ffb86286919f62ea1 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2016-3135
- https://www.cve.org/CVERecord?id=CVE-2016-3135
Change history (0)
No recorded changes yet.