kernel: Use-after-free vulnerability in drivers/net/ethernet/hisilicon/hns/hns_enet.c allows local attacker to cause denial of service
Published Mar 5, 2018
7.8
HIGHCVSS 3.1
EPSS 0.38%
Description
In drivers/net/ethernet/hisilicon/hns/hns_enet.c in the Linux kernel before 4.13, local users can cause a denial of service (use-after-free and BUG) or possibly have unspecified other impact by leveraging differences in skb handling between hns_nic_net_xmit_hw and hns_nic_net_xmit.
Affected products
No data.
- ≥ 4.5 · < 4.9.92
- ≥ 4.10 · < 4.13
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-alt
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Not affected
Red Hat Enterprise Linux 8
kernel
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-alt | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
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
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (8 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.38% (0.00377) | 29.25th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.38% (0.00377) | 31.57th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.04% (0.00042) | 5.06th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00950) | 13.46th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.69% (0.00691) | 18.93th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.69% (0.00691) | 0.00th | v1 |
References (8)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=27463ad99f738ed93c7c8b3e2e5bc8c4853a2ff2 x_refsource_MISCPatchVendor Advisory
- http://www.securityfocus.com/bid/103277 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2017-18218 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1551985 Issue Tracking
- https://github.com/torvalds/linux/commit/27463ad99f738ed93c7c8b3e2e5bc8c4853a2ff2 x_refsource_MISCPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-18218
- https://www.cve.org/CVERecord?id=CVE-2017-18218
- https://www.debian.org/security/2018/dsa-4188 vendor-advisoryx_refsource_DEBIANThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=27463ad99f738ed93c7c8b3e2e5bc8c4853a2ff2 | x_refsource_MISCPatchVendor Advisory | |
| http://www.securityfocus.com/bid/103277 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2017-18218 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1551985 | Issue Tracking | |
| https://github.com/torvalds/linux/commit/27463ad99f738ed93c7c8b3e2e5bc8c4853a2ff2 | x_refsource_MISCPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-18218 | ||
| https://www.cve.org/CVERecord?id=CVE-2017-18218 | ||
| https://www.debian.org/security/2018/dsa-4188 | vendor-advisoryx_refsource_DEBIANThird Party Advisory |
Change history (0)
No recorded changes yet.