kernel: net: Improper lock dropping in the hashbin_delete function
Published Mar 1, 2017
6.2
MEDIUMCVSS 3.0
EPSS 0.38%
Description
The hashbin_delete function in net/irda/irqueue.c in the Linux kernel before 4.9.13 improperly manages lock dropping, which allows local users to cause a denial of service (deadlock) via crafted operations on IrDA devices.
Affected products
No data.
- ≤ 4.9.12
No data.
Red Hat Enterprise Linux 5
kernel
Will not fix
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 | Will not fix | 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, 7 and MRG-2 as the code with the flaw is not present in the products listed.
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:L/UI:N/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:L/AC:L/Au:N/C:N/I:N/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
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.38% (0.00381) | 29.63th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.38% (0.00381) | 29.64th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.09% (0.00088) | 22.94th | 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 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.03% (0.01034) | 20.32th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.10% (0.01105) | 29.08th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.10% (0.01105) | 0.00th | v1 |
References (11)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4c03b862b12f980456f9de92db6d508a4999b788 x_refsource_CONFIRMPatch
- http://www.debian.org/security/2017/dsa-3804 vendor-advisoryx_refsource_DEBIAN
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.13 x_refsource_CONFIRMPatchRelease Notes
- http://www.openwall.com/lists/oss-security/2017/02/28/4 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/96483 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2017-6348 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1428491 Issue Tracking
- https://github.com/torvalds/linux/commit/4c03b862b12f980456f9de92db6d508a4999b788 x_refsource_CONFIRMPatch
- https://nvd.nist.gov/vuln/detail/CVE-2017-6348
- https://usn.ubuntu.com/3754-1/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2017-6348
| Link | Providers | Tags |
|---|---|---|
| http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4c03b862b12f980456f9de92db6d508a4999b788 | x_refsource_CONFIRMPatch | |
| http://www.debian.org/security/2017/dsa-3804 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.13 | x_refsource_CONFIRMPatchRelease Notes | |
| http://www.openwall.com/lists/oss-security/2017/02/28/4 | mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory | |
| http://www.securityfocus.com/bid/96483 | vdb-entryx_refsource_BID | |
| https://access.redhat.com/security/cve/CVE-2017-6348 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1428491 | Issue Tracking | |
| https://github.com/torvalds/linux/commit/4c03b862b12f980456f9de92db6d508a4999b788 | x_refsource_CONFIRMPatch | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-6348 | ||
| https://usn.ubuntu.com/3754-1/ | vendor-advisoryx_refsource_UBUNTU | |
| https://www.cve.org/CVERecord?id=CVE-2017-6348 |
Change history (0)
No recorded changes yet.