kernel: use-after-free in arch/x86/lib/insn-eval.c
Published Jul 4, 2019
7.0
HIGHCVSS 3.0
EPSS 0.49%
Description
In arch/x86/lib/insn-eval.c in the Linux kernel before 5.1.9, there is a use-after-free for access to an LDT entry because of a race condition between modify_ldt() and a #BR exception for an MPX bounds violation.
Affected products
No data.
- < 5.1.9
No data.
Red Hat Enterprise Linux 7
kernel-0:3.10.0-1127.el7
Fixed · RHSA-2020:1016
Red Hat Enterprise Linux 7
kernel-rt-0:3.10.0-1127.rt56.1093.el7
Fixed · RHSA-2020:1070
Red Hat Enterprise Linux 7.6 Extended Update Support
kernel-0:3.10.0-957.56.1.el7
Fixed · RHSA-2020:2851
Red Hat Enterprise Linux 7.7 Extended Update Support
kernel-0:3.10.0-1062.26.1.el7
Fixed · RHSA-2020:2522
Red Hat Enterprise Linux 8
kernel-0:4.18.0-147.el8
Fixed · RHSA-2019:3517
Red Hat Enterprise Linux 8
kernel-rt-0:4.18.0-147.rt24.93.el8
Fixed · RHSA-2019:3309
Red Hat Virtualization 4.2 for Red Hat Enterprise Linux 7.6 EUS
kernel-0:3.10.0-957.56.1.el7
Fixed · RHSA-2020:2851
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-alt
Not affected
Red Hat Enterprise MRG 2
kernel-rt
Out of support scope
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | kernel-0:3.10.0-1127.el7 | Fixed | RHSA-2020:1016 |
| Red Hat Enterprise Linux 7 | kernel-rt-0:3.10.0-1127.rt56.1093.el7 | Fixed | RHSA-2020:1070 |
| Red Hat Enterprise Linux 7.6 Extended Update Support | kernel-0:3.10.0-957.56.1.el7 | Fixed | RHSA-2020:2851 |
| Red Hat Enterprise Linux 7.7 Extended Update Support | kernel-0:3.10.0-1062.26.1.el7 | Fixed | RHSA-2020:2522 |
| Red Hat Enterprise Linux 8 | kernel-0:4.18.0-147.el8 | Fixed | RHSA-2019:3517 |
| Red Hat Enterprise Linux 8 | kernel-rt-0:4.18.0-147.rt24.93.el8 | Fixed | RHSA-2019:3309 |
| Red Hat Virtualization 4.2 for Red Hat Enterprise Linux 7.6 EUS | kernel-0:3.10.0-957.56.1.el7 | Fixed | RHSA-2020:2851 |
| 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-alt | Not affected | n/a |
| Red Hat Enterprise MRG 2 | kernel-rt | Out of support scope | 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.
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
AV:L/AC:M/Au:N/C:P/I:P/A:P
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 2, 2026.
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 (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.49% (0.00487) | 39.75th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.47% (0.00469) | 36.73th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00068) | 18.29th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.11% (0.00109) | 45.66th | v3 (v2023.03.01) |
| Jun 27, 2024 | 0.11% (0.00109) | 44.33th | v3 (v2023.03.01) |
| Jun 20, 2024 | 0.08% (0.00077) | 33.11th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.08% (0.00077) | 31.11th | 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 | 5.84% (0.05839) | 77.39th | v2 (v2022.01.01) |
| Feb 3, 2022 | 13.92% (0.13924) | 89.41th | v1 |
| Jan 6, 2022 | 13.92% (0.13924) | 89.29th | v1 |
| Sep 1, 2021 | 3.48% (0.03480) | 82.00th | v1 |
| Apr 14, 2021 | 3.48% (0.03480) | 0.00th | v1 |
References (20)
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.html vendor-advisoryx_refsource_SUSE
- http://packetstormsecurity.com/files/154408/Kernel-Live-Patch-Security-Notice-LSN-0055-1.html x_refsource_MISC
- https://access.redhat.com/errata/RHSA-2019:3309 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2019:3517 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2019-13233 Vendor Advisory
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1879 x_refsource_MISCExploitMailing ListPatchThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1727756 Issue Tracking
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.9 x_refsource_MISCMailing ListRelease NotesVendor Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=de9f869616dd95e95c00bdd6b0fcd3421e8a4323 x_refsource_MISCMailing ListPatchVendor Advisory
- https://github.com/torvalds/linux/commit/de9f869616dd95e95c00bdd6b0fcd3421e8a4323 x_refsource_MISCPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2019-13233
- https://seclists.org/bugtraq/2019/Aug/13 mailing-listx_refsource_BUGTRAQ
- https://security.netapp.com/advisory/ntap-20190806-0001/ x_refsource_CONFIRM
- https://support.f5.com/csp/article/K13331647?utm_source=f5support&%3Butm_medium=RSS x_refsource_CONFIRM
- https://usn.ubuntu.com/4093-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/4094-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/4117-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/4118-1/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2019-13233
- https://www.debian.org/security/2019/dsa-4495 vendor-advisoryx_refsource_DEBIAN
Change history (0)
No recorded changes yet.