CVE-2024-27064: netfilter: nf_tables: Fix a memory leak in nf_tables_updchain
Vulnerability summary
CVE-2024-27064 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 12.8% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 10 · Related 10Timeline
- 01-05-2024PublishedVulnerability first disclosed.
- 23-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: Fix a memory leak in nf_tables_updchain If nft_netdev_register_hooks() fails, the memory associated with nft_stats is not freed, causing a memory leak. This patch fixes it by moving nft_stats_alloc() down after nft_netdev_register_hooks() succeeds.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.22%
Chance of exploitation in the next 30 days
Percentile
13%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.22% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu82 products
- linux< 6.8.0-35.35
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 6.8.0-1009.9
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ b9703ed44ffbfba85c103b9de01886a225e14b38, < 79846fdcc548d617b0b321addc6a3821d3b75b20 | ≥ b9703ed44ffbfba85c103b9de01886a225e14b38, < 4e4623a4f6e133e671f65f9ac493bddaaf63e250 | ≥ b9703ed44ffbfba85c103b9de01886a225e14b38, < e77a6b53a3a547b6dedfc40c37cee4f310701090 | ≥ b9703ed44ffbfba85c103b9de01886a225e14b38, < 7eaf837a4eb5f74561e2486972e7f5184b613f6e | d131ce7a319d3bff68d5a9d5509bb22e4ce33946 | ≥ 6.3.3, < 6.4 | 6.4
- linux_kernel≥ 6.3.3, < 6.4 | ≥ 6.4, < 6.6.23 | ≥ 6.7, < 6.7.11 | ≥ 6.8, < 6.8.2
Debian1 product
- linux< 6.7.12-1
3 vendors · 85 products