HIGH
kernel: irda: Memory leak caused by repeated binds of irda socket
Published Sep 4, 2018
7.5
HIGHCVSS 3.0
EPSS 0.51%
Description
Memory leak in the irda_bind function in net/irda/af_irda.c and later in drivers/staging/irda/net/af_irda.c in the Linux kernel before 4.17 allows local users to cause a denial of service (memory consumption) by repeatedly binding an AF_IRDA socket.
Affected products
-
- Version before 4.17StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux Kernel | Linux Kernel | n/a |
|
Configuration 1
- < 4.17
Configuration 2
OR
- 12.04
- 14.04
- 16.04
- 18.04
- 8.0
- 9.0
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
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.
No CVSS v3.1 score for this CVE.
5.5 MEDIUM NVD
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
1 other source (Red Hat) ▾
7.5 HIGH Red Hat
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
4.9 MEDIUM NVD
AV:L/AC:L/Au:N/C:N/I:N/A:C
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.51% 0.00506
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.00506
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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.51% (0.00506) | 40.96th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.51% (0.00506) | 38.98th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.05% (0.00053) | 13.48th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00044) | 11.89th | v3 (v2023.03.01) |
| Jul 2, 2024 | 0.04% (0.00044) | 10.25th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 8.24th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.55% (0.01547) | 74.98th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.55% (0.01547) | 74.94th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.55% (0.01547) | 72.92th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.55% (0.01547) | 51.82th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.93% (0.01925) | 48.24th | v1 |
| Jan 6, 2022 | 1.93% (0.01925) | 47.71th | v1 |
| Sep 1, 2021 | 1.93% (0.01925) | 76.19th | v1 |
| Apr 14, 2021 | 1.93% (0.01925) | 0.00th | v1 |
Weaknesses (2)
References (17)
- http://www.securityfocus.com/bid/105302 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2018-6554 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1623610 Issue Tracking
- https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html mailing-listx_refsource_MLISTThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-6554
- https://usn.ubuntu.com/3775-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3775-2/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3776-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3776-2/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3777-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3777-2/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3777-3/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-6554
- https://www.debian.org/security/2018/dsa-4308 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.spinics.net/lists/stable/msg255030.html mailing-listx_refsource_MLISTPatchThird Party Advisory
- https://www.spinics.net/lists/stable/msg255034.html mailing-listx_refsource_MLISTPatchThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/105302 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2018-6554 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1623610 | Issue Tracking | |
| https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html | mailing-listx_refsource_MLISTThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-6554 | ||
| https://usn.ubuntu.com/3775-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://usn.ubuntu.com/3775-2/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://usn.ubuntu.com/3776-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://usn.ubuntu.com/3776-2/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://usn.ubuntu.com/3777-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://usn.ubuntu.com/3777-2/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://usn.ubuntu.com/3777-3/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2018-6554 | ||
| https://www.debian.org/security/2018/dsa-4308 | vendor-advisoryx_refsource_DEBIANThird Party Advisory | |
| https://www.spinics.net/lists/stable/msg255030.html | mailing-listx_refsource_MLISTPatchThird Party Advisory | |
| https://www.spinics.net/lists/stable/msg255034.html | mailing-listx_refsource_MLISTPatchThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner canonical
Published Sep 4, 2018
Updated Sep 17, 2024
Reserved Feb 2, 2018
Link CVE-2018-6554
CISA Vulnrichment
Updated n/a