kernel: futex/requeue: Prevent NULL pointer dereference in remove_waiter() on self-deadlock
Published Jun 25, 2026
5.5
MEDIUMCVSS 3.1
EPSS 0.17%
Description
Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
Affected products
No data.
No data.
No data.
NVIDIA for RHEL 10
kernel-0:6.12.0-231.16.el10nv
Fixed · RHSA-2026:37728
Red Hat Enterprise Linux 10
kernel-0:6.12.0-211.33.1.el10_2
Fixed · RHSA-2026:38492
Red Hat Enterprise Linux 10.0 Extended Update Support
kernel-0:6.12.0-55.89.1.el10_0
Fixed · RHSA-2026:41062
Red Hat Enterprise Linux 7 Extended Lifecycle Support
kernel-0:3.10.0-1160.156.1.el7
Fixed · RHSA-2026:41235
Red Hat Enterprise Linux 7 Extended Lifecycle Support
kernel-rt-0:3.10.0-1160.156.1.rt56.1308.el7
Fixed · RHSA-2026:41234
Red Hat Enterprise Linux 8
kernel-0:4.18.0-553.143.1.el8_10
Fixed · RHSA-2026:39083
Red Hat Enterprise Linux 8
kernel-rt-0:4.18.0-553.143.1.rt7.484.el8_10
Fixed · RHSA-2026:39082
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
kernel-0:4.18.0-305.198.1.el8_4
Fixed · RHSA-2026:39984
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
kernel-0:4.18.0-305.198.1.el8_4
Fixed · RHSA-2026:39984
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
kernel-0:4.18.0-372.201.1.el8_6
Fixed · RHSA-2026:40068
Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On
kernel-0:4.18.0-372.201.1.el8_6
Fixed · RHSA-2026:40068
Red Hat Enterprise Linux 8.8 Telecommunications Update Service
kernel-0:4.18.0-477.152.1.el8_8
Fixed · RHSA-2026:40760
Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
kernel-0:4.18.0-477.152.1.el8_8
Fixed · RHSA-2026:40760
Red Hat Enterprise Linux 9
kernel-0:5.14.0-687.25.1.el9_8
Fixed · RHSA-2026:38491
Red Hat Enterprise Linux 9
kernel-0:5.14.0-687.25.1.el9_8
Fixed · RHSA-2026:38491
Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
kernel-0:5.14.0-284.181.1.el9_2
Fixed · RHSA-2026:40082
Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
kernel-rt-0:5.14.0-284.181.1.rt14.466.el9_2
Fixed · RHSA-2026:39983
Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions
kernel-0:5.14.0-427.138.1.el9_4
Fixed · RHSA-2026:41063
Red Hat Enterprise Linux 9.6 Extended Update Support
kernel-0:5.14.0-570.128.1.el9_6
Fixed · RHSA-2026:40425
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 9
kernel-rt
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| NVIDIA for RHEL 10 | kernel-0:6.12.0-231.16.el10nv | Fixed | RHSA-2026:37728 |
| Red Hat Enterprise Linux 10 | kernel-0:6.12.0-211.33.1.el10_2 | Fixed | RHSA-2026:38492 |
| Red Hat Enterprise Linux 10.0 Extended Update Support | kernel-0:6.12.0-55.89.1.el10_0 | Fixed | RHSA-2026:41062 |
| Red Hat Enterprise Linux 7 Extended Lifecycle Support | kernel-0:3.10.0-1160.156.1.el7 | Fixed | RHSA-2026:41235 |
| Red Hat Enterprise Linux 7 Extended Lifecycle Support | kernel-rt-0:3.10.0-1160.156.1.rt56.1308.el7 | Fixed | RHSA-2026:41234 |
| Red Hat Enterprise Linux 8 | kernel-0:4.18.0-553.143.1.el8_10 | Fixed | RHSA-2026:39083 |
| Red Hat Enterprise Linux 8 | kernel-rt-0:4.18.0-553.143.1.rt7.484.el8_10 | Fixed | RHSA-2026:39082 |
| Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | kernel-0:4.18.0-305.198.1.el8_4 | Fixed | RHSA-2026:39984 |
| Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | kernel-0:4.18.0-305.198.1.el8_4 | Fixed | RHSA-2026:39984 |
| Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | kernel-0:4.18.0-372.201.1.el8_6 | Fixed | RHSA-2026:40068 |
| Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On | kernel-0:4.18.0-372.201.1.el8_6 | Fixed | RHSA-2026:40068 |
| Red Hat Enterprise Linux 8.8 Telecommunications Update Service | kernel-0:4.18.0-477.152.1.el8_8 | Fixed | RHSA-2026:40760 |
| Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | kernel-0:4.18.0-477.152.1.el8_8 | Fixed | RHSA-2026:40760 |
| Red Hat Enterprise Linux 9 | kernel-0:5.14.0-687.25.1.el9_8 | Fixed | RHSA-2026:38491 |
| Red Hat Enterprise Linux 9 | kernel-0:5.14.0-687.25.1.el9_8 | Fixed | RHSA-2026:38491 |
| Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | kernel-0:5.14.0-284.181.1.el9_2 | Fixed | RHSA-2026:40082 |
| Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | kernel-rt-0:5.14.0-284.181.1.rt14.466.el9_2 | Fixed | RHSA-2026:39983 |
| Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions | kernel-0:5.14.0-427.138.1.el9_4 | Fixed | RHSA-2026:41063 |
| Red Hat Enterprise Linux 9.6 Extended Update Support | kernel-0:5.14.0-570.128.1.el9_6 | Fixed | RHSA-2026:40425 |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 9 | kernel-rt | Affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat mitigation
See the security bulletin for a detailed mitigation procedure.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
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 Jun 25, 2026.
Score over time
Not enough EPSS history yet for a chart. At least two recorded scores are needed.
Percentile over time
Not enough EPSS history yet for a chart. At least two recorded scores are needed.
References (5)
- https://access.redhat.com/security/cve/CVE-2026-53166 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2492805 Issue Tracking
- https://lore.kernel.org/linux-cve-announce/2026062551-CVE-2026-53166-2861@gregkh/T
- https://nvd.nist.gov/vuln/detail/CVE-2026-53166
- https://www.cve.org/CVERecord?id=CVE-2026-53166
Change history (0)
No recorded changes yet.