kernel: ip6_gre: Invalid reads in ip6gre_err
Published Mar 23, 2017
9.8
CRITICALCVSS 3.1
EPSS 5.58%
Description
The ip6gre_err function in net/ipv6/ip6_gre.c in the Linux kernel allows remote attackers to have unspecified impact via vectors involving GRE flags in an IPv6 packet, which trigger an out-of-bounds access.
Affected products
No data.
Configuration 1
- ≥ 3.7 · < 3.10.106
- ≥ 3.11 · < 3.12.71
- ≥ 3.13 · < 3.16.41
- ≥ 3.17 · < 3.18.49
- ≥ 3.19 · < 4.4.50
- ≥ 4.5 · < 4.9.11
Configuration 2
- 14.04
Configuration 3
- 8.0
No data.
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Will not fix
Red Hat Enterprise Linux 7
kernel-rt
Will not fix
Red Hat Enterprise MRG 2
realtime-kernel
Will not fix
| 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 | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Will not fix | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Enterprise Linux 5 and 6 are not affected as they do not include this code. Red Hat Enterprise Linux 7, MRG and realtime kernels contain the code, but are not affected. At this time we do not believe there is a denial of service, memory leak, privilege escalation or trust barrier crossed. The kernel may attribute errors in system logs to the wrong tunnel. If you believe this is in error and have evidence or thoughts to the contrary please contact Red Hat Security Team.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
AV:N/AC:L/Au:N/C:P/I:P/A:P
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 v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.58% (0.05578) | 92.63th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.95% (0.04953) | 91.03th | v5 (v2026.06.15) |
| May 29, 2026 | 1.43% (0.01432) | 80.97th | v4 (v2025.03.14) |
| Mar 30, 2025 | 2.69% (0.02689) | 84.55th | v4 (v2025.03.14) |
| Mar 29, 2025 | 8.12% (0.08117) | 86.67th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.38% (0.02382) | 83.89th | v4 (v2025.03.14) |
| Dec 17, 2024 | 0.68% (0.00682) | 79.83th | v3 (v2023.03.01) |
| Jul 10, 2024 | 1.34% (0.01336) | 86.18th | v3 (v2023.03.01) |
| Jun 27, 2023 | 1.34% (0.01336) | 84.16th | v3 (v2023.03.01) |
| May 19, 2023 | 1.88% (0.01883) | 86.67th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.03% (0.02027) | 87.12th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.08% (0.02080) | 50.39th | v1 |
| Jan 6, 2022 | 2.08% (0.02080) | 49.89th | v1 |
| Sep 1, 2021 | 2.08% (0.02080) | 77.32th | v1 |
| Apr 14, 2021 | 2.08% (0.02080) | 0.00th | v1 |
References (11)
- http://www.debian.org/security/2017/dsa-3791 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.openwall.com/lists/oss-security/2017/02/07/2 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/96037 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1037794 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2017-5897 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1419848 Issue Tracking
- https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=7892032cfe67f4bde6fc2ee967e45a8fbaf33756 x_refsource_CONFIRMPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-5897
- https://source.android.com/security/bulletin/2017-09-01 x_refsource_CONFIRMThird Party Advisory
- https://usn.ubuntu.com/3754-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2017-5897
| Link | Providers | Tags |
|---|---|---|
| http://www.debian.org/security/2017/dsa-3791 | vendor-advisoryx_refsource_DEBIANThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2017/02/07/2 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| http://www.securityfocus.com/bid/96037 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1037794 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2017-5897 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1419848 | Issue Tracking | |
| https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=7892032cfe67f4bde6fc2ee967e45a8fbaf33756 | x_refsource_CONFIRMPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-5897 | ||
| https://source.android.com/security/bulletin/2017-09-01 | x_refsource_CONFIRMThird Party Advisory | |
| https://usn.ubuntu.com/3754-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2017-5897 |
Change history (0)
No recorded changes yet.