kernel: heap-based buffer overflow in lbs_ibss_join_existing function in drivers/net/wireless/marvell/libertas/cfg.c
Published Nov 27, 2019
9.8
CRITICALCVSS 3.1
EPSS 8.67%
Description
A heap-based buffer overflow vulnerability was found in the Linux kernel, version kernel-2.6.32, in Marvell WiFi chip driver. A remote attacker could cause a denial of service (system crash) or, possibly execute arbitrary code, when the lbs_ibss_join_existing function is called after a STA connects to an AP.
Affected products
-
- Version kernel-2.6.32StatusaffectedConstraints-
- Version
Configuration 1
- ≥ 2.6.32 · < 3.16.83
- ≥ 3.17 · < 4.4.212
- ≥ 4.5 · < 4.9.212
- ≥ 4.10 · < 4.14.169
- ≥ 4.15 · < 4.19.100
- ≥ 4.20 · < 5.4.16
Configuration 2
- 30
- 31
- 6.0
Configuration 3
- 14.04
- 16.04
- 18.04
- 19.10
Configuration 4
- 8.0
No data.
Red Hat Enterprise Linux 6
kernel-0:2.6.32-754.33.1.el6
Fixed · RHSA-2020:3548
Red Hat Enterprise Linux 5
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 Linux 8
kernel-rt
Not affected
Red Hat Enterprise MRG 2
kernel-rt
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | kernel-0:2.6.32-754.33.1.el6 | Fixed | RHSA-2020:3548 |
| Red Hat Enterprise Linux 5 | 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 Linux 8 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise MRG 2 | kernel-rt | 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:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AV:N/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 4, 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 (23 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 4, 2026 | 8.67% (0.08667) | 94.98th | v5 (v2026.06.15) |
| Jun 15, 2026 | 8.67% (0.08667) | 94.41th | v5 (v2026.06.15) |
| Jan 11, 2026 | 1.24% (0.01239) | 78.80th | v4 (v2025.03.14) |
| Dec 27, 2025 | 2.58% (0.02579) | 85.20th | v4 (v2025.03.14) |
| Nov 18, 2025 | 1.56% (0.01559) | 79.91th | v4 (v2025.03.14) |
| Jul 30, 2025 | 2.58% (0.02579) | 84.98th | v4 (v2025.03.14) |
| Apr 7, 2025 | 0.91% (0.00912) | 73.84th | v4 (v2025.03.14) |
| Mar 30, 2025 | 2.24% (0.02236) | 83.06th | v4 (v2025.03.14) |
| Mar 29, 2025 | 9.72% (0.09719) | 88.13th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.24% (0.02236) | 83.38th | v4 (v2025.03.14) |
| Dec 17, 2024 | 4.48% (0.04480) | 92.35th | v3 (v2023.03.01) |
| Dec 12, 2024 | 1.72% (0.01723) | 88.35th | v3 (v2023.03.01) |
| Dec 21, 2023 | 1.66% (0.01664) | 86.26th | v3 (v2023.03.01) |
| Oct 1, 2023 | 1.89% (0.01893) | 87.11th | v3 (v2023.03.01) |
| Sep 3, 2023 | 1.38% (0.01384) | 84.68th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.10% (0.01096) | 82.15th | v3 (v2023.03.01) |
| Mar 6, 2023 | 7.12% (0.07124) | 92.27th | v2 (v2022.01.01) |
| Apr 1, 2022 | 7.12% (0.07124) | 91.52th | v2 (v2022.01.01) |
| Feb 4, 2022 | 54.84% (0.54841) | 98.45th | v2 (v2022.01.01) |
| Feb 3, 2022 | 30.91% (0.30908) | 96.80th | v1 |
| Jan 6, 2022 | 30.91% (0.30908) | 96.76th | v1 |
| Jan 5, 2022 | 9.07% (0.09066) | 93.94th | v5 (v2026.06.15) |
| Apr 14, 2021 | 9.07% (0.09066) | 0.00th | v1 |
References (20)
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://packetstormsecurity.com/files/155879/Kernel-Live-Patch-Security-Notice-LSN-0061-1.html x_refsource_MISCThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/156185/Kernel-Live-Patch-Security-Notice-LSN-0062-1.html x_refsource_MISCThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2019-14896 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1774875 Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14896 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D4ISVNIC44SOGXTUBCIZFSUNQJ5LRKNZ/ vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MN6MLCN7G7VFTSXSZYXKXEFCUMFBUAXQ/ vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2019-14896
- https://security.netapp.com/advisory/ntap-20200103-0001/ x_refsource_CONFIRMThird Party Advisory
- https://usn.ubuntu.com/4225-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/4225-2/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/4226-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/4227-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/4227-2/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/4228-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/4228-2/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2019-14896
Change history (0)
No recorded changes yet.