kernel: use-after-free in perf_trace_lock_acquire related to include/trace/events/lock.h
Published Dec 12, 2019
6.7
MEDIUMCVSS 3.1
EPSS 1.35%
Description
In the Linux kernel 5.3.10, there is a use-after-free (read) in the perf_trace_lock_acquire function (related to include/trace/events/lock.h).
Affected products
No data.
Configuration 1
- ≤ 5.3.10
Configuration 2
- 30
- 31
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
Will not fix
| 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 | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat mitigation
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:S/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 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 (12 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 4, 2026 | 1.35% (0.01354) | 70.63th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.34% (0.01337) | 67.43th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.23% (0.00234) | 44.20th | 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 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.01% (0.02008) | 56.41th | v2 (v2022.01.01) |
| Feb 3, 2022 | 6.21% (0.06208) | 81.93th | v1 |
| Jan 6, 2022 | 6.21% (0.06208) | 81.75th | v1 |
| Jan 5, 2022 | 1.45% (0.01454) | 72.86th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.45% (0.01454) | 0.00th | v1 |
References (10)
- https://access.redhat.com/security/cve/CVE-2019-19769 Vendor Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=205705 x_refsource_MISCIssue TrackingVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1786174 Issue Tracking
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TF4PQZBEPNXDSK5DOBMW54OCLP25FTCD/ vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VJSIZWKW7RDHKU3CHC5BFAQI43NVHLUQ/ vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2019-19769
- https://security.netapp.com/advisory/ntap-20200103-0001/ x_refsource_CONFIRMThird Party Advisory
- https://usn.ubuntu.com/4368-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/4369-1/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2019-19769
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2019-19769 | Vendor Advisory | |
| https://bugzilla.kernel.org/show_bug.cgi?id=205705 | x_refsource_MISCIssue TrackingVendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1786174 | Issue Tracking | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TF4PQZBEPNXDSK5DOBMW54OCLP25FTCD/ | vendor-advisoryx_refsource_FEDORA | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VJSIZWKW7RDHKU3CHC5BFAQI43NVHLUQ/ | vendor-advisoryx_refsource_FEDORA | |
| https://nvd.nist.gov/vuln/detail/CVE-2019-19769 | ||
| https://security.netapp.com/advisory/ntap-20200103-0001/ | x_refsource_CONFIRMThird Party Advisory | |
| https://usn.ubuntu.com/4368-1/ | vendor-advisoryx_refsource_UBUNTU | |
| https://usn.ubuntu.com/4369-1/ | vendor-advisoryx_refsource_UBUNTU | |
| https://www.cve.org/CVERecord?id=CVE-2019-19769 |
Change history (0)
No recorded changes yet.