synced 14 MIN AGO
01 Record

CVE-2026-46223

cgroup: Defer css percpu_ref kill on rmdir until cgroup is depopulated

UnratedPUBLISHEDCNA: Linux
CNA base scoreUnratedNo CNA CVSS vector

02 Description

cgroup: Defer css percpu_ref kill on rmdir until cgroup is depopulated

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.08% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 0.2% of scored records. A rank, not a probability.
NVD base score
5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Analyzed. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-05-28 09:40Z5 MO AGO
Last updated
2026-06-14 18:03Z4 MO AGO
Reserved
2026-05-13
Assigning CNA
Linux
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
Data version
5.2
Document digest
fbffd706cc4dcea34f8a7b3474f9d5d836a654554dd2e1161bbd94478b30f4f7

05 Affected products

VendorProductVersionsPlatforms
LinuxLinux1b164b876c36c3eb5561dd9b37702b04401b0166 to < 33fa2e6b1507a0a377a151a8826438bedad1d0b0, 1b164b876c36c3eb5561dd9b37702b04401b0166 to < 93618edf753838a727dbff63c7c291dee22d656b, 78c72bce4a87819126211c0d24e18350010604fb, 6.19.12 to < 6.20, 7.0—

06 References

07 Fixed in

Debian 14

  • linux
    Fixed in 7.0.9-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 16.04 LTS

  • linux-hwe-edge
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 18.04 LTS

  • linux-aws-5.0
    No fix yet
  • linux-aws-5.3
    No fix yet
  • linux-azure
    No fix yet
  • linux-azure-5.3
    No fix yet
  • linux-azure-edge
    No fix yet
  • linux-gcp
    No fix yet
  • linux-gcp-5.3
    No fix yet
  • linux-gke-4.15
    No fix yet
  • linux-gke-5.4
    No fix yet
  • linux-gkeop-5.4
    No fix yet
  • linux-hwe
    No fix yet
  • linux-hwe-edge
    No fix yet
  • linux-oem
    No fix yet
  • linux-oracle-5.0
    No fix yet
  • linux-oracle-5.3
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 20.04 LTS

  • linux-aws-5.11
    No fix yet
  • linux-aws-5.13
    No fix yet
  • linux-aws-5.8
    No fix yet
  • linux-azure-5.11
    No fix yet
  • linux-azure-5.13
    No fix yet
  • linux-azure-5.8
    No fix yet
  • linux-azure-fde
    No fix yet
  • linux-gcp-5.11
    No fix yet
  • linux-gcp-5.13
    No fix yet
  • linux-gcp-5.8
    No fix yet
  • linux-gke
    No fix yet
  • linux-gke-5.15
    No fix yet
  • linux-gkeop
    No fix yet
  • linux-gkeop-5.15
    No fix yet
  • linux-hwe-5.11
    No fix yet
  • linux-hwe-5.13
    No fix yet
  • linux-hwe-5.8
    No fix yet
  • linux-intel-5.13
    No fix yet
  • linux-oem-5.10
    No fix yet
  • linux-oem-5.13
    No fix yet
  • linux-oem-5.14
    No fix yet
  • linux-oem-5.6
    No fix yet
  • linux-oracle-5.11
    No fix yet
  • linux-oracle-5.13
    No fix yet
  • linux-oracle-5.8
    No fix yet
  • linux-raspi2
    No fix yet
  • linux-riscv
    No fix yet
  • linux-riscv-5.11
    No fix yet
  • linux-riscv-5.8
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 22.04 LTS

  • linux-allwinner-5.19
    No fix yet
  • linux-aws-5.19
    No fix yet
  • linux-aws-6.2
    No fix yet
  • linux-aws-6.5
    No fix yet
  • linux-azure-5.19
    No fix yet
  • linux-azure-6.2
    No fix yet
  • linux-azure-6.5
    No fix yet
  • linux-azure-fde-5.19
    No fix yet
  • linux-azure-fde-6.2
    No fix yet
  • linux-gcp-5.19
    No fix yet
  • linux-gcp-6.2
    No fix yet
  • linux-gcp-6.5
    No fix yet
  • linux-hwe-5.19
    No fix yet
  • linux-hwe-6.2
    No fix yet
  • linux-hwe-6.5
    No fix yet
  • linux-intel-iot-realtime
    No fix yet
  • linux-lowlatency-hwe-5.19
    No fix yet
  • linux-lowlatency-hwe-6.2
    No fix yet
  • linux-lowlatency-hwe-6.5
    No fix yet
  • linux-nvidia-6.2
    No fix yet
  • linux-nvidia-6.5
    No fix yet
  • linux-oem-5.17
    No fix yet
  • linux-oem-6.0
    No fix yet
  • linux-oem-6.1
    No fix yet
  • linux-oem-6.5
    No fix yet
  • linux-oracle-6.5
    No fix yet
  • linux-realtime
    No fix yet
  • linux-riscv
    No fix yet
  • linux-riscv-5.19
    No fix yet
  • linux-riscv-6.5
    No fix yet
  • linux-starfive-5.19
    No fix yet
  • linux-starfive-6.2
    No fix yet
  • linux-starfive-6.5
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 24.04 LTS

  • linux-aws-6.14
    No fix yet
  • linux-azure-6.11
    No fix yet
  • linux-azure-7.0
    Fixed in 7.0.0-1014.14~24.04.1
  • linux-azure-fde-7.0
    Fixed in 7.0.0-1013.13~24.04.1
  • linux-gcp-6.11
    No fix yet
  • linux-gcp-6.14
    No fix yet
  • linux-gcp-7.0
    Fixed in 7.0.0-1011.11~24.04.1
  • linux-hwe-6.11
    No fix yet
  • linux-hwe-6.14
    No fix yet
  • linux-hwe-7.0
    Fixed in 7.0.0-28.28~24.04.1
  • linux-lowlatency-hwe-6.11
    No fix yet
  • linux-nvidia-6.11
    No fix yet
  • linux-nvidia-7.0
    Fixed in 7.0.0-1016.16~24.04.1
  • linux-oem-6.11
    No fix yet
  • linux-oem-6.14
    No fix yet
  • linux-oem-6.8
    No fix yet
  • linux-oracle-6.14
    No fix yet
  • linux-oracle-7.0
    Fixed in 7.0.0-1011.11~24.04.1
  • linux-raspi-realtime
    No fix yet
  • linux-realtime
    No fix yet
  • linux-riscv
    No fix yet
  • linux-riscv-6.14
    No fix yet
  • linux-riscv-7.0
    Fixed in 7.0.0-28.28.1~24.04.3

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 26.04 LTS

  • linux
    Fixed in 7.0.0-28.28
  • linux-aws
    Fixed in 7.0.0-1009.9
  • linux-azure
    Fixed in 7.0.0-1010.10
  • linux-azure-fde
    Fixed in 7.0.0-1009.9
  • linux-gcp
    Fixed in 7.0.0-1008.8
  • linux-gke
    Fixed in 7.0.0-1003.4
  • linux-ibm
    Fixed in 7.0.0-1010.10
  • linux-nvidia
    Fixed in 7.0.0-1016.16
  • linux-nvidia-bos
    Fixed in 7.0.0-2016.16
  • linux-oem-7.0
    Fixed in 7.0.0-1009.9
  • linux-oracle
    Fixed in 7.0.0-1008.8
  • linux-raspi
    Fixed in 7.0.0-1015.15
  • linux-realtime
    Fixed in 7.0.0-28.28.1
  • linux-riscv
    Fixed in 7.0.0-28.28.1

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro Realtime 24.04 LTS

  • linux-realtime-6.14
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.