kernel: out-of-bounds read in fs/cifs/smb2pdu.c
Published Sep 4, 2019
7.8
HIGHCVSS 3.1
EPSS 0.60%
Description
An issue was discovered in the Linux kernel before 5.0.10. SMB2_negotiate in fs/cifs/smb2pdu.c has an out-of-bounds read because data structures are incompletely updated after a change from smb30 to smb21.
Affected products
No data.
Configuration 1
- ≥ 4.13.5 · < 4.14.166
- ≥ 4.15 · < 4.19.73
- ≥ 4.20 · < 5.0.10
Configuration 2
- 14.04
- 16.04
- 18.04
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 Linux 8
kernel-rt
Not affected
Red Hat Enterprise MRG 2
kernel-rt
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 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
Red Hat statement
At this time this flaw does not affect shipping releases of Red Hat Enterprise Linux kernels.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
AV:L/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 3, 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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.60% (0.00602) | 46.96th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.60% (0.00602) | 43.94th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.11% (0.00109) | 26.78th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.07% (0.00074) | 34.11th | v3 (v2023.03.01) |
| Jun 10, 2024 | 0.04% (0.00045) | 14.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00045) | 12.06th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.67% (0.01669) | 53.27th | v2 (v2022.01.01) |
| Feb 3, 2022 | 5.36% (0.05363) | 79.74th | v1 |
| Jan 6, 2022 | 5.36% (0.05363) | 79.54th | v1 |
| Jan 5, 2022 | 1.25% (0.01247) | 69.74th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.25% (0.01247) | 0.00th | v1 |
References (9)
- https://access.redhat.com/security/cve/CVE-2019-15918 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1760550 Issue Tracking
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.10 x_refsource_MISCRelease NotesVendor Advisory
- https://github.com/torvalds/linux/commit/b57a55e2200ede754e4dc9cce4ba9402544b9365 x_refsource_MISCPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2019-15918
- https://security.netapp.com/advisory/ntap-20191004-0001/ x_refsource_CONFIRMThird Party Advisory
- https://usn.ubuntu.com/4162-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/4162-2/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2019-15918
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2019-15918 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1760550 | Issue Tracking | |
| https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.10 | x_refsource_MISCRelease NotesVendor Advisory | |
| https://github.com/torvalds/linux/commit/b57a55e2200ede754e4dc9cce4ba9402544b9365 | x_refsource_MISCPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2019-15918 | ||
| https://security.netapp.com/advisory/ntap-20191004-0001/ | x_refsource_CONFIRMThird Party Advisory | |
| https://usn.ubuntu.com/4162-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://usn.ubuntu.com/4162-2/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2019-15918 |
Change history (0)
No recorded changes yet.