kernel: Information leak from getsockname
Published Dec 28, 2015
2.3
LOWCVSS 3.0
EPSS 0.48%
Description
The (1) pptp_bind and (2) pptp_connect functions in drivers/net/ppp/pptp.c in the Linux kernel through 4.3.3 do not verify an address length, which allows local users to obtain sensitive information from kernel memory and bypass the KASLR protection mechanism via a crafted application.
Affected products
No data.
- ≤ 4.3.2
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
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 affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 7 and MRG-2. This has been rated as having Low security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
AV:L/AC:M/Au:N/C:P/I:N/A:N
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.48% (0.00485) | 39.46th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.48% (0.00485) | 37.75th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.01% (0.00011) | 0.65th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00044) | 14.58th | v3 (v2023.03.01) |
| May 25, 2024 | 0.04% (0.00044) | 12.27th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 10.27th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.79% (0.01791) | 77.00th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.79% (0.01791) | 76.95th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.79% (0.01791) | 74.90th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.79% (0.01791) | 54.19th | v2 (v2022.01.01) |
References (21)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=09ccfd238e5a0e670d8178cf50180ea81ae09ae1 x_refsource_CONFIRM
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html vendor-advisoryx_refsource_FEDORA
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html vendor-advisoryx_refsource_SUSE
- http://twitter.com/grsecurity/statuses/676744240802750464 x_refsource_MISC
- http://www.debian.org/security/2016/dsa-3434 vendor-advisoryx_refsource_DEBIAN
- http://www.openwall.com/lists/oss-security/2015/12/15/11 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/79428 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1034549 vdb-entryx_refsource_SECTRACK
- http://www.ubuntu.com/usn/USN-2886-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2888-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2890-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2890-2 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2890-3 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2015-8569 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1292045 x_refsource_CONFIRMIssue Tracking
- https://github.com/torvalds/linux/commit/09ccfd238e5a0e670d8178cf50180ea81ae09ae1 x_refsource_CONFIRM
- https://lkml.org/lkml/2015/12/14/252 mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2015-8569
- https://www.cve.org/CVERecord?id=CVE-2015-8569
Change history (0)
No recorded changes yet.