7.1

CVE-2026-52988: linux Race Condition

CVSS: 7.1v3.1HighModified
AliasesUBUNTU-CVE-2026-52988DEBIAN-CVE-2026-52988CGA-2f8x-64x3-m8ww
Published 24-06-2026Last modified 19-10-2026
Open JSON

Vulnerability summary

CVE-2026-52988 is a high (CVSS 7.1) Race Condition vulnerability in linux. EPSS estimates a 0.10% chance of exploitation in the next 30 days, higher than 0.8% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.1/10
010
High · v3.1 (CVE.org)
EPSS score
0.10%
0%100%
Low · -0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 24 · Related 25
OPENSUSE-SU-2026:21555-1SUSE-SU-2026:23066-1SUSE-SU-2026:23068-1SUSE-SU-2026:23193-1SUSE-SU-2026:23194-1SUSE-SU-2026:23221-1

Timeline

  1. 24-06-2026
    PublishedVulnerability first disclosed.
  2. 19-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: join hook list via splice_list_rcu() in commit phase Publish new hooks in the list into the basechain/flowtable using splice_list_rcu() to ensure netlink dump list traversal via rcu is safe while concurrent ruleset update is going on.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.10%

Chance of exploitation in the next 30 days

Percentile

1%

Versus all other CVEs

30-day change

-0.02 pp

From 0.12% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.10%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu150 products
  • linuxAll versions (No fix recorded) | < 7.0.0-28.28
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 7.0.0-1009.9
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Chainguard49 products
  • hyperv-daemons-6.18All versions (No fix recorded)
  • linux-aws-6.12All versions (No fix recorded)
  • linux-aws-6.18All versions (No fix recorded)
  • linux-aws-6.18-boot-installedAll versions (No fix recorded)
  • linux-aws-6.18-bootcAll versions (No fix recorded)
Debian1 product
  • linuxAll versions (No fix recorded) | < 6.1.190-1 | < 6.12.113-1 | < 7.0.10-1

3 vendors · 200 products · Showing 200 of 208. Use Open JSON for the complete list.

References

27 links
Show all 27 references